Capital Flow
This API is used to obtain the daily capital flow intraday of security.
Quote Permission RequiredFree
Included with OpenAPI activation — no extra purchase needed.
# 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 |
Rust |
Go |
Node.js |
Java |
C++ |
Info
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 |