16 venues list an ASTER perpetual: 10 charge funding every hour, 1 every 4 hours, 4 continuously.
ApeX
Aster
Avantis
edgeX
Extended
GMX
gTrade
Helix
Hyperliquid
Lighter
Merkle
Pacifica
Variational Up to 5x, settled in USDC.
No. A perpetual position tracks price and does not confer ownership of the underlying.
Yes — a short perpetual position uses the same margin mechanics as a long.