Binance OPEN perpetual
OPENUSDT
As of 2026-09-09 14:57 UTC, OPENUSDT on Binance has a collected rate of +0.0050% over 4h, or +10.95% simple annualised; its collected settlement interval is 4h, with up to 75x leverage. Aster has a lower rate for longs at +10.95%.
Maintenance margin ladder
With deduction · An isolated-margin estimate for linear contracts; excludes closing fees, accrued funding, auto-added margin and other positions.
| Tier | Range | Maintenance rate | Max leverage | Deduction |
|---|---|---|---|---|
| 1 | 0 – 2000 quote | 1.0000% | 75.00x | — |
| 2 | 2000 – 5000 quote | 1.5000% | 50.00x | 10 |
| 3 | 5000 – 10000 quote | 2.0000% | 25.00x | 35 |
| 4 | 10000 – 25000 quote | 2.5000% | 20.00x | 85 |
| 5 | 25000 – 62500 quote | 5.0000% | 10.00x | 710 |
| 6 | 62500 – 125000 quote | 10.0000% | 5.00x | 3835 |
| 7 | 125000 – 250000 quote | 12.5000% | 4.00x | 6960 |
| 8 | 250000 – 500000 quote | 16.6700% | 3.00x | 17385 |
| 9 | 500000 – 7500000 quote | 25.0000% | 2.00x | 59035 |
| 10 | 7500000 – 12500000 quote | 50.0000% | 1.00x | 1934035 |
Contract specification
Quote currency: USDT · Settlement currency: USDT · Settlement interval: 4h. Lot size uses the venue’s original order unit; the calculator takes base-asset quantity.
The same asset elsewhere
| Venue | Contract | Rate period | Annualised |
|---|---|---|---|
| Aster | OPENUSDT | 4h | +10.95% |
| Binance this page | OPENUSDT | 4h | +10.95% |
| Bitget | OPENUSDT | 4h | +10.95% |
| Bybit | OPENUSDT | 4h | +10.95% |
| Gate | OPEN_USDT | 8h | +29.02% |
Common questions
What is the Binance OPEN funding rate?
The latest collected Binance OPEN funding rate is +0.0050% over a 4h rate period, or +10.95% simple annualised. That period is used for conversion and may differ from the settlement interval. Positive means longs pay shorts; negative reverses this.
How often is funding charged on Binance OPEN?
The collected settlement interval is 4h, normally 6 times a day. Venues can change it; confirm the next settlement time on the contract page.
What is the maximum leverage on Binance OPEN?
The collected leverage cap for Binance OPEN is 75x, with 10 margin tiers shown. Actual leverage also depends on position size, account settings and venue rules.
What is the maintenance margin rate on Binance OPEN?
The first tier requires 1.0000%, and there are 10 tiers in all — a larger position requires more. This venue applies a deduction: maintenance margin = notional × tier rate − the tier's maintenance amount.
Which venue has the lowest OPEN funding cost for longs?
For a long position, Aster currently has the lowest rate at +10.95% annualised; this page's Binance is at +10.95%. Negative funding pays longs. Trading costs are excluded, and the cash-flow direction reverses for shorts.
Observation time and verification
This contract’s funding was observed at 2026-09-09 14:57 UTC; an unsettled quote may still change. A dash denotes missing usable data, not zero. Binance official data source · Funding methodology