stocks · Stock
COSTUSDT
Costco
919.70
▲ 0.14% today
Last 24 hours
Bid
919.54
Ask
919.85
Day High
921.57
Day Low
905.32
COSTUSDT daily history
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 01 Oct 2026 | 913.42 | 919.85 | 905.56 | 919.70 | +0.69% |
| 30 Sept 2026 | 923.89 | 926.48 | 911.66 | 913.42 | -1.13% |
| 29 Sept 2026 | 922.94 | 925.86 | 913.93 | 923.90 | +0.10% |
| 28 Sept 2026 | 924.03 | 925.63 | 919.59 | 922.94 | -0.12% |
COSTUSDT API access
Costco prices are available over REST and WebSocket with no API key and no signup. Rate limit is 15,000 requests per minute per IP.
curl
curl "https://biquote.io/api/COSTUSDT"
Python
import requests
r = requests.get("https://biquote.io/api/COSTUSDT")
tick = r.json()
print(tick["mid"], tick["dayDiffPercent"])JavaScript
const r = await fetch("https://biquote.io/api/COSTUSDT");
const tick = await r.json();
console.log(tick.mid, tick.dayDiffPercent);WebSocket
// SignalR hub — pushes every tick for COSTUSDT
const conn = new signalR.HubConnectionBuilder()
.withUrl("https://biquote.io/hubs/tick")
.build();
conn.on("ReceiveTick", t => console.log(t.symbol, t.mid));
await conn.start();
await conn.invoke("Subscribe", "COSTUSDT");Also available for COSTUSDT: daily candles, hourly candles · full API documentation