Aster US perpetual
USUSDT
As of 2026-09-30 23:44 UTC, USUSDT on Aster has a collected rate of +0.1043% over 4h, or +228.50% simple annualised; its collected settlement interval is 4h, with up to 5x leverage. Bitget has a lower rate for longs at +136.22%.
What does this rate mean for a 10,000 USDT position?
For USUSDT, 10,000 USDT of notional × 0.104336% gives 10.4336 USDT over the quoted 4h 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 USUSDT?
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 500000 USDT. Above that, tier 2 requires 12.5000% maintenance margin.
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 – 500000 quote | 10.0000% | 5.00x | — |
| 2 | 500000 – 1000000 quote | 12.5000% | 4.00x | 12500 |
| 3 | 1000000 – 2500000 quote | 16.6700% | 3.00x | 54200 |
| 4 | 2500000 – 5000000 quote | 25.0000% | 2.00x | 262450 |
| 5 | 5000000 – 1000000000 quote | 50.0000% | 1.00x | 1512450 |
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 |
|---|---|---|---|
| Bitget | USUSDT | 4h | +136.22% |
| Binance | USUSDT | 4h | +162.36% |
| Gate | US_USDT | 4h | +174.11% |
| Aster this page | USUSDT | 4h | +228.50% |
| Bybit | USUSDT | 4h | +284.99% |
Common questions
What is the Aster US funding rate?
The latest collected Aster US funding rate is +0.1043% per 4h rate period, or +228.50% simple annualised. At this rate longs pay shorts.
How often is funding charged on Aster US?
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 Aster US?
The collected leverage cap for Aster US is 5x, with 5 margin tiers shown. The first margin tier, up to 500K USDT, allows 5x; the second allows 4x.
What is the maintenance margin rate on Aster US?
The first tier requires 10.0000%, with 5 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 US funding cost for longs?
For a long position, Bitget currently has the lowest rate at +136.22% annualised; this page's Aster is at +228.50%. 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 2026-09-30 23:44 UTC; an unsettled quote may still change. A dash denotes missing usable data, not zero. Aster official data source · Funding methodology