12 venues list an ETHFI perpetual: 8 charge funding every hour, 3 continuously.
Aevo
Aster
Avantis
Extended
gTrade
Helix
Hyperliquid
Lighter
Paradex
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.