Bitget SIREN perpetual
SIRENUSDT
As of 2026-09-09 13:53 UTC, SIRENUSDT on Bitget has a collected rate of +0.0210% over 4h, or +45.99% simple annualised; its collected settlement interval is 4h, with up to 10x leverage. Bybit has a lower rate for longs at +10.95%.
Maintenance margin ladder
No 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 – 5000 quote | 5.0000% | 10.00x | — |
| 2 | 5000 – 10000 quote | 6.2500% | 8.00x | — |
| 3 | 10000 – 30000 quote | 8.3300% | 6.00x | — |
| 4 | 30000 – 100000 quote | 12.0000% | 5.00x | — |
| 5 | 100000 – 500000 quote | 15.0000% | 4.00x | — |
| 6 | 500000 – 1000000 quote | 30.0000% | 2.00x | — |
| 7 | 1000000 – ∞ quote | 60.0000% | 1.00x | — |
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 |
|---|---|---|---|
| Bybit | SIRENUSDT | 4h | +10.95% |
| Bitget this page | SIRENUSDT | 4h | +45.99% |
| Aster | SIRENUSDT | 1h | +127.78% |
| Gate | SIREN_USDT | 4h | +154.83% |
| Binance | SIRENUSDT | 4h | +179.99% |
Common questions
What is the Bitget SIREN funding rate?
The latest collected Bitget SIREN funding rate is +0.0210% over a 4h rate period, or +45.99% 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 Bitget SIREN?
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 Bitget SIREN?
The collected leverage cap for Bitget SIREN is 10x, with 7 margin tiers shown. Actual leverage also depends on position size, account settings and venue rules.
What is the maintenance margin rate on Bitget SIREN?
The first tier requires 5.0000%, and there are 7 tiers in all — a larger position requires more. This venue applies no deduction: maintenance margin = notional × the rate of the tier the position falls in.
Which venue has the lowest SIREN funding cost for longs?
For a long position, Bybit currently has the lowest rate at +10.95% annualised; this page's Bitget is at +45.99%. 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 13:53 UTC; an unsettled quote may still change. A dash denotes missing usable data, not zero. Bitget official data source · Funding methodology