IOSTUSDT perpetual

Contract data read from Binance, Bybit, OKX and Hyperliquid public endpoints · 2026-10-03 21:16:58 UTC

IOSTUSDT is a USDT-margined perpetual on Binance, marked at 0.0008387 USDT inside a 24-hour band of 0.0008319–0.0008681 (-1.19%). Open interest is 3,907,878,616 IOST, about 3.28M USDT in live exposure, against 3.78M USDT traded in 24 hours. Funding settles every 4 hours at 0.0024%, 0.0000000200 USDT per IOST held.

Mark price	0.0008387 USDT
24h range	0.0008319 – 0.0008681 USDT
24h change	-1.19%
24h volume	3.78M USDT
Open interest	3,907,878,616 IOST
Open interest value	3.28M USDT
Funding rate	0.0024% / 4h
Minimum order	5 USDT ≈ 5,961.607249 IOST
Quantity step	1 IOST ≈ 0.0008387 USDT
Price tick	0.00000010 USDT (0.01192% of mark)

At 0.0024% the long pays the short: a 10,000 USDT position moves 0.2388 USDT every 4 hours, 1.433 USDT a day, 5.23% a year.
Daily turnover runs 1.15× the 3.28M USDT sitting in open positions.
Bybit caps this contract at 25×, so initial margin starts near 4.00% of notional — 0.00003355 USDT per IOST.
Binance caps each settlement at ±2.00% — at most 0.00001677 USDT per IOST, 4,380% annualised.

Annualised funding, each venue on its own 4/8/4-hour cycle: Binance 5.23% · Bybit 10.95% · OKX 10.95%. The gap is 5.72 points — Binance is the cheapest venue to hold a long here, Bybit the dearest.

FAQ

IOSTUSDT questions

Binance requires 5 USDT of notional, which at 0.0008387 USDT is 5,961.607249 IOST; size then moves in steps of 1 IOST.

Every 4 hours. The current rate is 0.0024% — 0.0000000200 USDT per IOST per settlement, 5.23% a year if it holds.

Open interest is 3,907,878,616 IOST (3.28M USDT) with 3.78M USDT changing hands over 24 hours.

Bybit allows up to 25×, putting initial margin around 4.00% of position value — 0.00003355 USDT per IOST at the current mark.

Run your own rules on IOSTUSDT