Aster USD1 perpetual
USD1USDT
As of 2026-10-15 04:54 UTC, USD1USDT on Aster has a collected rate of +0.0031% over 8h, or +3.38% simple annualised; its collected settlement interval is 8h, with up to 20x leverage. Bybit has a lower rate for longs at -8.21%.
What does this rate mean for a 10,000 USDT position?
For USD1USDT, 10,000 USDT of notional × 0.003084% gives 0.3084 USDT over the quoted 8h rate period: longs pay and shorts receive. This is a constant-rate illustration, not a settled bill or a forecast. Use the actual settlement rate and notional at each settlement; leverage is not multiplied again. Trading fees are separate.
How do I select the margin tier for USD1USDT?
This table selects tiers by position notional in USDT, not by the amount of margin deposited. The first tier starts at 0 and ends at 1000000 USDT. Above that, tier 2 requires 5.0000% maintenance margin.
Further readingHow liquidation price is calculated: tiered maintenance margin and deductionsHow funding fees work: amounts, signs and settlement
Settled history is not currently available for this contract. The latest funding snapshot cannot establish the actual funding cost over the past 30 days.
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 – 1000000 quote | 2.5000% | 20.00x | — |
| 2 | 1000000 – 2000000 quote | 5.0000% | 10.00x | 25000 |
| 3 | 2000000 – 5000000 quote | 10.0000% | 5.00x | 125000 |
| 4 | 5000000 – 10000000 quote | 12.5000% | 4.00x | 250000 |
| 5 | 10000000 – 20000000 quote | 16.6700% | 3.00x | 667000 |
| 6 | 20000000 – 40000000 quote | 25.0000% | 2.00x | 2333000 |
| 7 | 40000000 – 1000000000 quote | 50.0000% | 1.00x | 12333000 |
Contract specification
Quote currency: USDT · Settlement currency: USDT · Settlement interval: 8h (00:00 · 08:00 · 16:00 UTC). Lot size uses the venue’s original order unit; the calculator takes base-asset quantity. Settlement intervals and times on every venue.
The same asset elsewhere
| Venue | Contract | Rate period | Annualised |
|---|---|---|---|
| Bybit | USD1USDT | 4h | -8.21% |
| Gate | USD1_USDT | 4h | -4.16% |
| Aster this page | USD1USDT | 8h | +3.38% |
Common questions
What is the Aster USD1 funding rate?
The latest collected Aster USD1 funding rate is +0.0031% per 8h rate period, or +3.38% simple annualised. At this rate longs pay shorts.
How often is funding charged on Aster USD1?
The collected settlement interval is 8h, normally 3 times a day. Settlements fall at 00:00, 08:00 and 16:00 UTC, the same times in UTC+8. Venues can change it again; confirm the next settlement time on the venue's contract page.
What is the maximum leverage on Aster USD1?
The collected leverage cap for Aster USD1 is 20x, with 7 margin tiers shown. The first margin tier, up to 1M USDT, allows 20x; the second allows 10x.
What is the maintenance margin rate on Aster USD1?
The first tier requires 2.5000%, with 7 available tiers. The applicable requirement depends on the position’s tier. This venue applies a deduction: maintenance margin = notional × tier rate − the tier's maintenance amount.
Which venue has the lowest USD1 funding cost for longs?
For a long position, Bybit currently has the lowest rate at -8.21% annualised; this page's Aster is at +3.38%. 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 2026-10-15 04:54 UTC; an unsettled quote may still change. A dash denotes missing usable data, not zero. Aster official data source · Funding methodology