20 venues list an SP500 perpetual: 12 charge funding every hour, 1 every 4 hours, 6 continuously.
Aevo
ApeX
Avantis
edgeX
Extended
GMX
gTrade
Helix
Hyperliquid
Lighter
Ondo
Ostium
Pacifica
Paradex
Variational
Vest Up to 30x, 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.