# Get ARK Stock Dynamic

Python
Proto
C#
Java
C++
JavaScript

get_ark_stock_dynamic(security)

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

Parameter Type Description

security str Stock code (e.g. 'US.TSLA') (required)

Parameter	Type	Description
security	str	Stock code (e.g. `'US.TSLA'`) (required)

Return

Parameter	Type	Description
ret	RET_CODE	API call result
data	dict	When ret == RET_OK, returns dict data
data	str	When ret != RET_OK, returns error description

Data format:

Field	Type	Description
dynamic_type	str	Dynamic type (see enum below)
transaction_count	int	Number of transactions
net_shares	int	Net traded shares
last_transaction_time	str	Latest transaction time (yyyy-MM-dd)
"CONSECUTIVE_SAME_DIRECTION"	Consecutive same-direction trades
"RECENT_TRANSACTION"	Recent transaction
"LAST_TRANSACTION"	Latest transaction
"NO_DYNAMIC"	No activity

Example

from futu import *

quote_ctx = OpenQuoteContext(host='127.0.0.1', port=11111)

ret, data = quote_ctx.get_ark_stock_dynamic(security='US.TSLA')
if ret == RET_OK:
    for k, v in data.items():
        print(f"{k}: {v}")
else:
    print('error:', data)

quote_ctx.close()

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Output

dynamic_type: CONSECUTIVE_SAME_DIRECTION
transaction_count: 2
net_shares: 76041
last_transaction_time: 2026-06-22

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# Qot_GetArkStockDynamic.proto

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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Protocol ID

3424

uint GetArkStockDynamic(Qot_GetArkStockDynamic.Request req);
virtual void OnReply_GetArkStockDynamic(FTAPI_Conn client, uint nSerialNo, Qot_GetArkStockDynamic.Response rsp);

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3424
Example

public class Program : FTSPI_Qot, FTSPI_Conn {
    FTAPI_Qot qot = new FTAPI_Qot();

    public Program() {
        qot.SetClientInfo("csharp", 1);  //设置客户端信息
        qot.SetConnCallback(this);  //设置连接回调
        qot.SetQotCallback(this);   //设置行情回调
    }

    public void Start() {
        qot.InitConnect("127.0.0.1", (ushort)11111, false);
    }

    public void OnInitConnect(FTAPI_Conn client, long errCode, String desc)
    {
        Console.Write("Qot onInitConnect: ret={0} desc={1} connID={2}
", errCode, desc, client.GetConnectID());
        if (errCode != 0)
            return;

        QotCommon.Security sec = QotCommon.Security.CreateBuilder()
                .SetMarket((int)QotCommon.QotMarket.QotMarket_US_Security)
                .SetCode("TSLA")
                .Build();
        QotGetArkStockDynamic.C2S c2s = QotGetArkStockDynamic.C2S.CreateBuilder()
                .SetSecurity(sec)
            .Build();
        QotGetArkStockDynamic.Request req = QotGetArkStockDynamic.Request.CreateBuilder().SetC2S(c2s).Build();
        uint seqNo = qot.GetArkStockDynamic(req);
        Console.Write("Send QotGetArkStockDynamic: {0}
", seqNo);
    }

    public void OnDisconnect(FTAPI_Conn client, long errCode) {
        Console.Write("Qot onDisConnect: {0}
", errCode);
    }

    public void OnReply_GetArkStockDynamic(FTAPI_Conn client, uint nSerialNo, QotGetArkStockDynamic.Response rsp)
    {
        Console.Write("Reply: QotGetArkStockDynamic: {0}
", nSerialNo);
        if (rsp.RetType == 0 && rsp.HasS2C)
            Console.Write("{0}
", rsp.ToString());
    }

    public static void Main(String[] args) {
        FTAPI.Init();
        Program program = new Program();
        program.Start();

        while (true)
            Thread.Sleep(1000 * 600);
    }
}

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Output

Send QotGetArkStockDynamic: 3
Reply: QotGetArkStockDynamic: 3
GetArkStockDynamic: errCode 0, retMsg , retType 0
{
  "dynamicType": 1,
  "transactionCount": 3,
  "netShares": -29523,
  "lastTransactionTime": "2026-06-17"
}

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int getArkStockDynamic(Qot_GetArkStockDynamic.Request req);
onReply_GetArkStockDynamic(FTAPI_Conn client, int nSerialNo, Qot_GetArkStockDynamic.Response rsp)

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3424
Example

public class QotDemo implements FTSPI_Qot, FTSPI_Conn {
    FTAPI_Conn_Qot qot = new FTAPI_Conn_Qot();

    public QotDemo() {
        qot.setClientInfo("javaclient", 1);  //设置客户端信息
        qot.setConnSpi(this);  //设置连接回调
        qot.setQotSpi(this);   //设置行情回调
    }

    public void start() {
        qot.initConnect("127.0.0.1", (short)11111, false);
    }

    @Override
    public void onInitConnect(FTAPI_Conn client, long errCode, String desc)
    {
        System.out.printf("Qot onInitConnect: ret=%d desc=%s connID=%d
", errCode, desc, client.getConnectID());
        if (errCode != 0)
            return;

        QotCommon.Security sec = QotCommon.Security.newBuilder()
                .setMarket(QotCommon.QotMarket.QotMarket_US_Security_VALUE)
                .setCode("TSLA")
                .build();
        QotGetArkStockDynamic.C2S c2s = QotGetArkStockDynamic.C2S.newBuilder()
                .setSecurity(sec)
            .build();
        QotGetArkStockDynamic.Request req = QotGetArkStockDynamic.Request.newBuilder().setC2S(c2s).build();
        int seqNo = qot.getArkStockDynamic(req);
        System.out.printf("Send QotGetArkStockDynamic: %d
", seqNo);
    }

    @Override
    public void onDisconnect(FTAPI_Conn client, long errCode) {
        System.out.printf("Qot onDisConnect: %d
", errCode);
    }

    @Override
    public void onReply_GetArkStockDynamic(FTAPI_Conn client, int nSerialNo, QotGetArkStockDynamic.Response rsp) {
        if (rsp.getRetType() != 0) {
            System.out.printf("QotGetArkStockDynamic failed: %s
", rsp.getRetMsg());
        } else {
            try {
                String json = JsonFormat.printer().print(rsp);
                System.out.printf("Receive QotGetArkStockDynamic: %s
", json);
            } catch (InvalidProtocolBufferException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) {
        FTAPI.init();
        QotDemo qot = new QotDemo();
        qot.start();

        while (true) {
            try {
                Thread.sleep(1000 * 600);
            } catch (InterruptedException exc) {

            }
        }
    }
}

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Output

Send QotGetArkStockDynamic: 3
Receive QotGetArkStockDynamic: {
  "dynamicType": 1,
  "transactionCount": 3,
  "netShares": -29523,
  "lastTransactionTime": "2026-06-17"
}

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Futu::u32_t GetArkStockDynamic(const Qot_GetArkStockDynamic::Request &stReq); virtual void OnReply_GetArkStockDynamic(Futu::u32_t nSerialNo, const Qot_GetArkStockDynamic::Response &stRsp) = 0;

Description

Protocol request and response definition
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3424
Example

class Program : public FTSPI_Qot, public FTSPI_Conn
{
public:
    Program() {
        m_pQotApi = FTAPI::CreateQotApi();
        m_pQotApi->RegisterQotSpi(this);
        m_pQotApi->RegisterConnSpi(this);
    }

    ~Program() {
        if (m_pQotApi != nullptr) {
            m_pQotApi->UnregisterQotSpi();
            m_pQotApi->UnregisterConnSpi();
            FTAPI::ReleaseQotApi(m_pQotApi);
            m_pQotApi = nullptr;
        }
    }

    void Start() {
        m_pQotApi->InitConnect("127.0.0.1", 11111, false);
    }

    virtual void OnInitConnect(FTAPI_Conn* pConn, Futu::i64_t nErrCode, const char* strDesc) {
        Qot_GetArkStockDynamic::Request req;
        Qot_GetArkStockDynamic::C2S *c2s = req.mutable_c2s();
        Qot_Common::Security *security = c2s->mutable_security();
        security->set_market(Qot_Common::QotMarket::QotMarket_US_Security);
        security->set_code("AAPL");
        m_GetArkStockDynamicSerialNo = m_pQotApi->GetArkStockDynamic(req);
    }

    virtual void OnReply_GetArkStockDynamic(Futu::u32_t nSerialNo, const Qot_GetArkStockDynamic::Response &stRsp) {
        if (nSerialNo != m_GetArkStockDynamicSerialNo) return;
        string resp_str;
        ProtoBufToBodyData(stRsp, resp_str);
        cout << UTF8ToLocal(resp_str) << endl;
    }

protected:
    FTAPI_Qot *m_pQotApi;
    Futu::u32_t m_GetArkStockDynamicSerialNo = 0;
};

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Output

{
 "retType": 0,
 "retMsg": "",
 "errCode": 0,
 "s2c": {
  "dynamicType": 0,
  "transactionCount": 5,
  "netShares": 250000,
  "lastTransactionTime": "2024-06-03"
 }
}

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getArkStockDynamic(qotGetArkStockDynamic)

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3424
Example

import ftWebsocket from "futu-api";
import { Common, Qot_Common } from "futu-api/proto";
import beautify from "js-beautify";

function QotGetArkStockDynamic(){
    const { RetType } = Common
    let [addr, port, enable_ssl, key] = ["127.0.0.1", 11111, false, "xxxxxx"];
    let websocket = new ftWebsocket();

    websocket.onlogin = (ret, msg)=>{
        if (ret) {
            const req = {
                c2s: { security: { market: Qot_Common.QotMarket.QotMarket_US_Security, code: "TSLA" } },
            };
            websocket.GetArkStockDynamic(req)
            .then((res)=>{
                let { errCode, retMsg, retType, s2c } = res
                console.log("GetArkStockDynamic: errCode %d, retMsg %s, retType %d", errCode, retMsg, retType);
                if(retType == RetType.RetType_Succeed){
                    let data = beautify(JSON.stringify(s2c), { indent_size: 2, space_in_empty_paren: true });
                    console.log(data);
                }
            })
            .catch((error)=>{ console.log("error:", error); });
        } else {
            console.log("start error", msg);
        }
    };

    websocket.start(addr, port, enable_ssl, key);
    setTimeout(()=>{ websocket.stop(); process.exit(); }, 5000);
}

QotGetArkStockDynamic()

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Output

GetArkStockDynamic: errCode 0, retMsg , retType 0
{
  "dynamicType": 1,
  "transactionCount": 3,
  "netShares": -29523,
  "lastTransactionTime": "2026-06-17"
}

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API Limits

Maximum 60 requests within 30 seconds
Only the first page of paginated requests counts toward rate limiting

Python
Proto
C#
Java
C++
JavaScript

get_ark_stock_dynamic(security)

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

Parameter Type Description

security str Stock code (e.g. 'US.TSLA') (required)

Parameter	Type	Description
security	str	Stock code (e.g. `'US.TSLA'`) (required)

Return

Parameter	Type	Description
ret	RET_CODE	API call result
data	dict	When ret == RET_OK, returns dict data
data	str	When ret != RET_OK, returns error description

Data format:

Field	Type	Description
dynamic_type	str	Dynamic type (see enum below)
transaction_count	int	Number of transactions
net_shares	int	Net traded shares
last_transaction_time	str	Latest transaction time (yyyy-MM-dd)
"CONSECUTIVE_SAME_DIRECTION"	Consecutive same-direction trades
"RECENT_TRANSACTION"	Recent transaction
"LAST_TRANSACTION"	Latest transaction
"NO_DYNAMIC"	No activity

Example

from futu import *

quote_ctx = OpenQuoteContext(host='127.0.0.1', port=11111)

ret, data = quote_ctx.get_ark_stock_dynamic(security='US.TSLA')
if ret == RET_OK:
    for k, v in data.items():
        print(f"{k}: {v}")
else:
    print('error:', data)

quote_ctx.close()

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Output

dynamic_type: CONSECUTIVE_SAME_DIRECTION
transaction_count: 2
net_shares: 76041
last_transaction_time: 2026-06-22

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# Qot_GetArkStockDynamic.proto

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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Protocol ID

3424

uint GetArkStockDynamic(Qot_GetArkStockDynamic.Request req);
virtual void OnReply_GetArkStockDynamic(FTAPI_Conn client, uint nSerialNo, Qot_GetArkStockDynamic.Response rsp);

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3424
Example

public class Program : MMSPI_Qot, MMSPI_Conn {
    MMAPI_Qot qot = new MMAPI_Qot();

    public Program() {
        qot.SetClientInfo("csharp", 1);  //设置客户端信息
        qot.SetConnCallback(this);  //设置连接回调
        qot.SetQotCallback(this);   //设置行情回调
    }

    public void Start() {
        qot.InitConnect("127.0.0.1", (ushort)11111, false);
    }

    public void OnInitConnect(MMAPI_Conn client, long errCode, String desc)
    {
        Console.Write("Qot onInitConnect: ret={0} desc={1} connID={2}
", errCode, desc, client.GetConnectID());
        if (errCode != 0)
            return;

        QotCommon.Security sec = QotCommon.Security.CreateBuilder()
                .SetMarket((int)QotCommon.QotMarket.QotMarket_US_Security)
                .SetCode("TSLA")
                .Build();
        QotGetArkStockDynamic.C2S c2s = QotGetArkStockDynamic.C2S.CreateBuilder()
                .SetSecurity(sec)
            .Build();
        QotGetArkStockDynamic.Request req = QotGetArkStockDynamic.Request.CreateBuilder().SetC2S(c2s).Build();
        uint seqNo = qot.GetArkStockDynamic(req);
        Console.Write("Send QotGetArkStockDynamic: {0}
", seqNo);
    }

    public void OnDisconnect(MMAPI_Conn client, long errCode) {
        Console.Write("Qot onDisConnect: {0}
", errCode);
    }

    public void OnReply_GetArkStockDynamic(MMAPI_Conn client, uint nSerialNo, QotGetArkStockDynamic.Response rsp)
    {
        Console.Write("Reply: QotGetArkStockDynamic: {0}
", nSerialNo);
        if (rsp.RetType == 0 && rsp.HasS2C)
            Console.Write("{0}
", rsp.ToString());
    }

    public static void Main(String[] args) {
        MMAPI.Init();
        Program program = new Program();
        program.Start();

        while (true)
            Thread.Sleep(1000 * 600);
    }
}

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Send QotGetArkStockDynamic: 3
Reply: QotGetArkStockDynamic: 3
GetArkStockDynamic: errCode 0, retMsg , retType 0
{
  "dynamicType": 1,
  "transactionCount": 3,
  "netShares": -29523,
  "lastTransactionTime": "2026-06-17"
}

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int getArkStockDynamic(Qot_GetArkStockDynamic.Request req);
onReply_GetArkStockDynamic(FTAPI_Conn client, int nSerialNo, Qot_GetArkStockDynamic.Response rsp)

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3424
Example

public class QotDemo implements MMSPI_Qot, MMSPI_Conn {
    MMAPI_Conn_Qot qot = new MMAPI_Conn_Qot();

    public QotDemo() {
        qot.setClientInfo("javaclient", 1);  //设置客户端信息
        qot.setConnSpi(this);  //设置连接回调
        qot.setQotSpi(this);   //设置行情回调
    }

    public void start() {
        qot.initConnect("127.0.0.1", (short)11111, false);
    }

    @Override
    public void onInitConnect(MMAPI_Conn client, long errCode, String desc)
    {
        System.out.printf("Qot onInitConnect: ret=%d desc=%s connID=%d
", errCode, desc, client.getConnectID());
        if (errCode != 0)
            return;

        QotCommon.Security sec = QotCommon.Security.newBuilder()
                .setMarket(QotCommon.QotMarket.QotMarket_US_Security_VALUE)
                .setCode("TSLA")
                .build();
        QotGetArkStockDynamic.C2S c2s = QotGetArkStockDynamic.C2S.newBuilder()
                .setSecurity(sec)
            .build();
        QotGetArkStockDynamic.Request req = QotGetArkStockDynamic.Request.newBuilder().setC2S(c2s).build();
        int seqNo = qot.getArkStockDynamic(req);
        System.out.printf("Send QotGetArkStockDynamic: %d
", seqNo);
    }

    @Override
    public void onDisconnect(MMAPI_Conn client, long errCode) {
        System.out.printf("Qot onDisConnect: %d
", errCode);
    }

    @Override
    public void onReply_GetArkStockDynamic(MMAPI_Conn client, int nSerialNo, QotGetArkStockDynamic.Response rsp) {
        if (rsp.getRetType() != 0) {
            System.out.printf("QotGetArkStockDynamic failed: %s
", rsp.getRetMsg());
        } else {
            try {
                String json = JsonFormat.printer().print(rsp);
                System.out.printf("Receive QotGetArkStockDynamic: %s
", json);
            } catch (InvalidProtocolBufferException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) {
        MMAPI.init();
        QotDemo qot = new QotDemo();
        qot.start();

        while (true) {
            try {
                Thread.sleep(1000 * 600);
            } catch (InterruptedException exc) {

            }
        }
    }
}

Output

Send QotGetArkStockDynamic: 3
Receive QotGetArkStockDynamic: {
  "dynamicType": 1,
  "transactionCount": 3,
  "netShares": -29523,
  "lastTransactionTime": "2026-06-17"
}

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moomoo::u32_t GetArkStockDynamic(const Qot_GetArkStockDynamic::Request &stReq); virtual void OnReply_GetArkStockDynamic(moomoo::u32_t nSerialNo, const Qot_GetArkStockDynamic::Response &stRsp) = 0;

Description

Protocol request and response definition
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3424
Example

class Program : public MMSPI_Qot, public MMSPI_Conn
{
public:
    Program() {
        m_pQotApi = MMAPI::CreateQotApi();
        m_pQotApi->RegisterQotSpi(this);
        m_pQotApi->RegisterConnSpi(this);
    }

    ~Program() {
        if (m_pQotApi != nullptr) {
            m_pQotApi->UnregisterQotSpi();
            m_pQotApi->UnregisterConnSpi();
            MMAPI::ReleaseQotApi(m_pQotApi);
            m_pQotApi = nullptr;
        }
    }

    void Start() {
        m_pQotApi->InitConnect("127.0.0.1", 11111, false);
    }

    virtual void OnInitConnect(MMAPI_Conn* pConn, moomoo::i64_t nErrCode, const char* strDesc) {
        Qot_GetArkStockDynamic::Request req;
        Qot_GetArkStockDynamic::C2S *c2s = req.mutable_c2s();
        Qot_Common::Security *security = c2s->mutable_security();
        security->set_market(Qot_Common::QotMarket::QotMarket_US_Security);
        security->set_code("AAPL");
        m_GetArkStockDynamicSerialNo = m_pQotApi->GetArkStockDynamic(req);
    }

    virtual void OnReply_GetArkStockDynamic(moomoo::u32_t nSerialNo, const Qot_GetArkStockDynamic::Response &stRsp) {
        if (nSerialNo != m_GetArkStockDynamicSerialNo) return;
        string resp_str;
        ProtoBufToBodyData(stRsp, resp_str);
        cout << UTF8ToLocal(resp_str) << endl;
    }

protected:
    MMAPI_Qot *m_pQotApi;
    moomoo::u32_t m_GetArkStockDynamicSerialNo = 0;
};

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Output

{
 "retType": 0,
 "retMsg": "",
 "errCode": 0,
 "s2c": {
  "dynamicType": 0,
  "transactionCount": 5,
  "netShares": 250000,
  "lastTransactionTime": "2024-06-03"
 }
}

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getArkStockDynamic(qotGetArkStockDynamic)

Description

Get ARK stock trading dynamic, returning the latest trading activity information for a specified stock in ARK funds (consecutive same-direction trades, recent transactions, latest transaction, etc.).
Parameters

// Trading dynamic type
enum DynamicType {
    DynamicType_Unknown = 0;
    DynamicType_ConsecutiveSameDirection = 1;    // Consecutive same-direction trades
    DynamicType_RecentTransaction = 2;           // Recent transactions
    DynamicType_LastTransaction = 3;             // Latest transaction
    DynamicType_NoDynamic = 4;                   // No activity
}

message C2S {
    required Qot_Common.Security security = 1;   // Stock
}

message S2C {
    optional int32 dynamicType = 1;              // DynamicType
    optional int32 transactionCount = 2;         // Number of trades
    optional int64 netShares = 3;                // Net traded shares
    optional string lastTransactionTime = 4;     // Latest trading time (yyyy-MM-dd)
}

message Request {
    required C2S c2s = 1;
}

message Response {
    required int32 retType = 1 [default = -400]; // RetType, return result
    optional string retMsg = 2;
    optional int32 errCode = 3;
    optional S2C s2c = 4;
}

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For interface result, refer to RetType

Protocol ID

3424
Example

import mmWebsocket from "moomoo-api";
import { Common, Qot_Common } from "moomoo-api/proto";
import beautify from "js-beautify";

function QotGetArkStockDynamic(){
    const { RetType } = Common
    let [addr, port, enable_ssl, key] = ["127.0.0.1", 11111, false, "xxxxxx"];
    let websocket = new mmWebsocket();

    websocket.onlogin = (ret, msg)=>{
        if (ret) {
            const req = {
                c2s: { security: { market: Qot_Common.QotMarket.QotMarket_US_Security, code: "TSLA" } },
            };
            websocket.GetArkStockDynamic(req)
            .then((res)=>{
                let { errCode, retMsg, retType, s2c } = res
                console.log("GetArkStockDynamic: errCode %d, retMsg %s, retType %d", errCode, retMsg, retType);
                if(retType == RetType.RetType_Succeed){
                    let data = beautify(JSON.stringify(s2c), { indent_size: 2, space_in_empty_paren: true });
                    console.log(data);
                }
            })
            .catch((error)=>{ console.log("error:", error); });
        } else {
            console.log("start error", msg);
        }
    };

    websocket.start(addr, port, enable_ssl, key);
    setTimeout(()=>{ websocket.stop(); process.exit(); }, 5000);
}

QotGetArkStockDynamic()

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Output

GetArkStockDynamic: errCode 0, retMsg , retType 0
{
  "dynamicType": 1,
  "transactionCount": 3,
  "netShares": -29523,
  "lastTransactionTime": "2026-06-17"
}

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API Limits

Maximum 60 requests within 30 seconds
Only the first page of paginated requests counts toward rate limiting

← Get ARK Fund Holding Get ARK Active Transaction →