API3USDT perpetual

Contract data read from Binance, Bybit, OKX and Hyperliquid public endpoints · 2026-07-30 12:26:48 UTC

API3USDT is a USDT-margined perpetual on Binance, marked at 0.1924 USDT inside a 24-hour band of 0.1846–0.2011 (2.18%). Open interest is 10,993,277.1 API3, about 2.12M USDT in live exposure, against 2.80M USDT traded in 24 hours. Funding settles every 4 hours at 0.0050%, 0.000009622 USDT per API3 held.

Mark price	0.1924 USDT
24h range	0.1846 – 0.2011 USDT
24h change	2.18%
24h volume	2.80M USDT
Open interest	10,993,277.1 API3
Open interest value	2.12M USDT
Funding rate	0.0050% / 4h
Minimum order	5 USDT ≈ 25.982420 API3
Quantity step	0.1 API3 ≈ 0.01924 USDT
Price tick	0.0001 USDT (0.05196% of mark)

At 0.0050% the long pays the short: a 10,000 USDT position moves 0.5000 USDT every 4 hours, 3.000 USDT a day, 10.95% a year.
Daily turnover runs 1.32× the 2.12M USDT sitting in open positions.
Bybit caps this contract at 25×, so initial margin starts near 4.00% of notional — 0.007698 USDT per API3.
Binance caps each settlement at ±2.00% — at most 0.003849 USDT per API3, 4,380% annualised.

API3USDT questions

What is the smallest API3USDT position?

Binance requires 5 USDT of notional, which at 0.1924 USDT is 25.982420 API3; size then moves in steps of 0.1 API3.

How often does API3USDT funding settle?

Every 4 hours. The current rate is 0.0050% — 0.000009622 USDT per API3 per settlement, 10.95% a year if it holds.

How liquid is API3USDT right now?

Open interest is 10,993,277.1 API3 (2.12M USDT) with 2.80M USDT changing hands over 24 hours.

What leverage is available on API3USDT?

Bybit allows up to 25×, putting initial margin around 4.00% of position value — 0.007698 USDT per API3 at the current mark.

Run your own rules on API3USDT