Lighter BTC perpetual
BTC
As of 2026-09-09 12:46 UTC, BTC on Lighter has a collected rate of +0.0048% over 8h, or +5.26% simple annualised; its collected settlement interval is 1h, with up to 50x leverage. Aster has a lower rate for longs at +1.92%.
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 – ∞ quote | 1.2000% | 50.00x | — |
Contract specification
Quote currency: USD · Settlement currency: USDC · Settlement interval: 1h. 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 | BTCUSDT | 8h | +1.92% |
| Bybit | BTCPERP | 8h | +3.02% |
| Bybit | BTCUSDT | 8h | +4.13% |
| Gate | BTC_USDT | 8h | +5.26% |
| Lighter this page | BTC | 8h | +5.26% |
| Binance | BTCUSDT | 8h | +5.35% |
| Binance | BTCUSD1 | 8h | +5.37% |
| Binance | BTCU | 8h | +5.42% |
| OKX | BTC-USD-SWAP | 8h | +5.48% |
| Binance | BTCUSDC | 8h | +6.54% |
| Aster | BTCU | 8h | +7.75% |
| Aster | BTCUSD1 | 8h | +7.98% |
| OKX | BTC-USDT-SWAP | 8h | +8.38% |
| Bitget | BTCUSDT | 8h | +9.75% |
| Hyperliquid | BTC | 1h | +10.95% |
Common questions
What is the Lighter BTC funding rate?
The latest collected Lighter BTC funding rate is +0.0048% over a 8h rate period, or +5.26% 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 Lighter BTC?
The collected settlement interval is 1h, normally 24 times a day. Venues can change it; confirm the next settlement time on the contract page.
What is the maximum leverage on Lighter BTC?
The collected leverage cap for Lighter BTC is 50x, with 1 margin tiers shown. Actual leverage also depends on position size, account settings and venue rules.
What is the maintenance margin rate on Lighter BTC?
The first tier requires 1.2000%, and there are 1 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 BTC funding cost for longs?
For a long position, Aster currently has the lowest rate at +1.92% annualised; this page's Lighter is at +5.26%. 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 12:46 UTC; an unsettled quote may still change. A dash denotes missing usable data, not zero. Lighter official data source · Funding methodology