Capital Flow

This API is used to obtain the daily capital flow intraday of security.

Quote Permission RequiredBasic

Included with OpenAPI activation — no extra purchase needed.

My Quotes·OpenAPI quote perms are separate from App/Web perms

CLI

# intraday capital flow time series for Tesla
longbridge capital TSLA.US --flow
# intraday capital flow time series for Apple
longbridge capital AAPL.US --flow
# intraday capital flow time series for NVDA
longbridge capital NVDA.US --flow

SDK Links

Python	longbridge.openapi.QuoteContext.capital_flow
Rust	longbridge::quote::QuoteContext#capital_flow
Go	QuoteContext.CapitalFlow
Node.js	QuoteContext#capitalFlow
Java	QuoteContext.getCapitalFlow
C++	longbridge::quote::QuoteContext::capital_flow

Info

Business Command：24

Request

Parameters

Name	Type	Required	Description
symbol	string	Yes	Security code, in ticker.region format, for example: 700.HK

Protobuf

message CapitalFlowIntradayRequest {
  string symbol = 1;
}

Request Example

from longbridge.openapi import QuoteContext, Config, OAuthBuilder

oauth = OAuthBuilder("your-client-id").build(lambda url: print("Visit:", url))
config = Config.from_oauth(oauth)
ctx = QuoteContext(config)

resp = ctx.capital_flow("700.HK")
print(resp)

import asyncio
from longbridge.openapi import AsyncQuoteContext, Config, OAuthBuilder

async def main() -> None:
    oauth = await OAuthBuilder("your-client-id").build_async(lambda url: print("Visit:", url))
    config = Config.from_oauth(oauth)
    ctx = AsyncQuoteContext.create(config)

    resp = await ctx.capital_flow("700.HK")
    print(resp)

if __name__ == "__main__":
    asyncio.run(main())

const { Config, QuoteContext, OAuth } = require('longbridge')

async function main() {
  const oauth = await OAuth.build('your-client-id', (_, url) => {
    console.log('Open this URL to authorize: ' + url)
  })
  const config = Config.fromOAuth(oauth)
  const ctx = QuoteContext.new(config)
  const resp = await ctx.capitalFlow('700.HK')
  console.log(resp)
}
main().catch(console.error)

import com.longbridge.*;
import com.longbridge.quote.*;

class Main {
    public static void main(String[] args) throws Exception {
        try (OAuth oauth = new OAuthBuilder("your-client-id")
                .build(url -> System.out.println("Open to authorize: " + url))
                .get();
             Config config = Config.fromOAuth(oauth);
             QuoteContext ctx = QuoteContext.create(config)) {
            CapitalFlowLine[] resp = ctx.getCapitalFlow("700.HK").get();
            for (CapitalFlowLine line : resp) System.out.println(line);
        }
    }
}

use std::sync::Arc;
use longbridge::{oauth::OAuthBuilder, quote::QuoteContext, Config};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let oauth = OAuthBuilder::new("your-client-id")
        .build(|url| println!("Open this URL to authorize: {url}"))
        .await?;
    let config = Arc::new(Config::from_oauth(oauth));
    let (ctx, _) = QuoteContext::new(config);
    let resp = ctx.capital_flow("700.HK").await?;
    println!("{:?}", resp);
    Ok(())
}

#include <iostream>
#include <longbridge.hpp>

#ifdef WIN32
#include <windows.h>
#endif

using namespace longbridge;
using namespace longbridge::quote;

static void
run(const OAuth& oauth)
{
    Config config = Config::from_oauth(oauth);
    QuoteContext ctx = QuoteContext::create(config);

    ctx.capital_flow("700.HK", [](auto res) {
        if (!res) {
            std::cout << "failed: " << *res.status().message() << std::endl;
            return;
        }
        std::cout << "capital_flow lines: " << res->size() << std::endl;
    });
}

int main(int argc, char const* argv[]) {
#ifdef WIN32
    SetConsoleOutputCP(CP_UTF8);
#endif

    const std::string client_id = "your-client-id";
    OAuthBuilder(client_id).build(
    [](const std::string& url) {
        std::cout << "Open this URL to authorize: " << url << std::endl;
    },
    [](auto res) {
        if (!res) {
            std::cout << "authorization failed: " << *res.status().message() << std::endl;
            return;
        }
        run(*res);
    });

    std::cin.get();
    return 0;
}

package main

import (
	"context"
	"fmt"
	"log"

	"github.com/longbridge/openapi-go/config"
	"github.com/longbridge/openapi-go/oauth"
	"github.com/longbridge/openapi-go/quote"
)

func main() {
	o := oauth.New("your-client-id").
		OnOpenURL(func(url string) { fmt.Println("Open this URL to authorize:", url) })
	if err := o.Build(context.Background()); err != nil {
		log.Fatal(err)
	}
	conf, err := config.New(config.WithOAuthClient(o))
	if err != nil {
		log.Fatal(err)
	}
	qctx, err := quote.NewFromCfg(conf)
	if err != nil {
		log.Fatal(err)
	}
	defer qctx.Close()
	lines, err := qctx.CapitalFlow(context.Background(), "700.HK")
	if err != nil {
		log.Fatal(err)
	}
	fmt.Println("capital_flow lines:", len(lines))
}

Response

Response Properties

Name	Type	Description
symbol	string	Security code
capital_flow_lines	object[]	Capital flow data
∟ inflow	string	Inflow capital data
∟ timestamp	int64	Start time stamp of the minute

Protobuf

message CapitalFlowIntradayResponse {
  message CapitalFlowLine {
    string inflow = 1;
    int64 timestamp = 2;
  }
  string symbol = 1;
  repeated CapitalFlowLine capital_flow_lines = 2;
}

Response JSON Example

{
  "symbol": "700.HK",
  "capital_flow_lines": [
    { "inflow": "-310255860.000", "timestamp": "1655106960" },
    { "inflow": "-314011220.000", "timestamp": "1655107020" },
    { "inflow": "-314011220.000", "timestamp": "1655107080" },
    { "inflow": "-314011220.000", "timestamp": "1655107140" },
    { "inflow": "-314011220.000", "timestamp": "1655107200" }
  ]
}

Error Code

Protocol Error Code	Business Error Code	Description	Troubleshooting Suggestions
3	301600	Invalid request	Invalid request parameters or unpacking request failed
3	301606	Request rate limit	Reduce the frequency of requests
7	301602	Server error	Please try again or contact a technician to resolve the issue
7	301600	Symbol not found	Check that the requested symbol is correct
7	301603	No quotes	Security no quote
7	301604	No access	No access to security quote