Aster B3 perpetual
B3USDT
As of 2026-10-01 00:31 UTC, B3USDT on Aster has a collected rate of +0.0013% over 1h, or +10.95% simple annualised; its collected settlement interval is 1h, with up to 3x leverage.
What does this rate mean for a 10,000 USDT position?
For B3USDT, 10,000 USDT of notional × 0.001250% gives 0.1250 USDT over the quoted 1h 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 B3USDT?
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 25.0000% 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 – 1000000 quote | 16.6700% | 3.00x | — |
| 2 | 1000000 – 2000000 quote | 25.0000% | 2.00x | 83300 |
| 3 | 2000000 – 3000000 quote | 50.0000% | 1.00x | 583300 |
Contract specification
Quote currency: USDT · Settlement currency: USDT · 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 this page | B3USDT | 1h | +10.95% |
| Bybit | B3USDT | 4h | +169.37% |
Common questions
What is the Aster B3 funding rate?
The latest collected Aster B3 funding rate is +0.0013% per 1h rate period, or +10.95% simple annualised. At this rate longs pay shorts.
How often is funding charged on Aster B3?
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 Aster B3?
The collected leverage cap for Aster B3 is 3x, with 3 margin tiers shown. The first margin tier, up to 1M USDT, allows 3x; the second allows 2x.
What is the maintenance margin rate on Aster B3?
The first tier requires 16.6700%, with 3 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.
Observation time and verification
This contract’s funding was observed at 2026-10-01 00:31 UTC; an unsettled quote may still change. A dash denotes missing usable data, not zero. Aster official data source · Funding methodology