Do longs or shorts pay API3 funding right now?

On Aster, shorts pay longs 0.0046% per hour (-40.22% APR). These are the latest rates; they change every hour, so the 7- and 30-day averages on this page say more about what a position has paid.

How often is API3 funding paid?

Aster pays every 8, 4 or 1 hours depending on the market; this page divides its rate by that interval so it compares per hour. Funding is charged on the position's value, not on margin.

API3 funding rate

API3 funding is -0.0046% per hour on Aster (-40.22% APR). A positive rate means longs pay shorts.

Data as of Nov 11, 2026, 05:36 UTC. Refreshed about every minute.

Current rate by venue

Venue	Market	Per hour	APR	Per day on $10,000	Open interest
Aster	API3	-0.0046%	-40.22%	Short pays $11.02	–

Method and sources

Rates are per hour: Hyperliquid and Lighter pay hourly; Aster's rate is divided by the market's funding interval (8, 4 or 1 hours). APR = rate per hour × 24 × 365, not compounded. Averages are total funding paid over the period divided by its hours. A positive rate means longs pay shorts. Live rates refresh about every minute, history every 15 minutes.

Aster: Aster futures API (ticker, premiumIndex, fundingInfo, openInterest)

More: API3 perp markets by venue, all funding rates, how hourly funding works

Frequently asked questions

Do longs or shorts pay API3 funding right now?: On Aster, shorts pay longs 0.0046% per hour (-40.22% APR). These are the latest rates; they change every hour, so the 7- and 30-day averages on this page say more about what a position has paid.
How often is API3 funding paid?: Aster pays every 8, 4 or 1 hours depending on the market; this page divides its rate by that interval so it compares per hour. Funding is charged on the position's value, not on margin.