Find your way
through Aster.
Understand the ecosystem.
Inspect the costs.
Know what you’re using.
Independent of Aster.
Educational tools, not trading advice.
Code 553Ddf included. Confirm your eligible fee rebate on Aster.
Affiliate disclosure: we may earn rewards when you sign up.
The ecosystem, connected.
Select a topic to find its guides and tools.
Understand the trade.
Start with fees and execution. Then model what funding and an adverse price move could cost.
Explore trading costsThe market, in context.
Explore all marketsLoading public Aster market data…
| Market | Mark price | 24h change | 24h quote volume | Funding / interval |
|---|---|---|---|---|
| Loading markets… | ||||
Positive funding: longs pay. Negative: shorts pay. A reported rate is not a promised return. Rates and intervals can change. Data methodology.
Make the assumptions visible.
A smaller fee is only one part of a trade. Model the position, the holding period and the exit.
Open the toolkitAster fee calculator
Calculate entry and exit fees with separate notionals, category presets and an optional confirmed rebate.
Aster funding calculator
Estimate long or short holding costs with editable funding rates, intervals and position notional.
Aster P&L calculator
Model a linear long or short position using entry and exit prices, notional, trading fees and signed funding.
Position size calculator for Aster traders
Budget a linear position from account equity, risk percentage, stop distance and optional fees. See the leverage and margin implications.
Know what you’re using.
All guidesStart with Aster
Understand Aster perpetuals, spot, collateral and builder tools, with a practical route through the ecosystem and its risks.
Trading fees
Compare documented Aster USDT, USD1 and RWA perpetual fees, calculate entry and exit costs, and separate rebates from funding.
Funding rates
Learn who pays Aster funding, why intervals differ, and how to estimate holding costs without treating annualized rates as returns.
Get 5% back on trading fees.
Use our Aster referral link. Code 553Ddf is included.
Eligible new users · Eligible perpetual fees only. Confirm your rebate on Aster. Offer details.
Affiliate disclosure: we may earn rewards when you sign up.