16 venues list an MRVL perpetual: 10 charge funding every hour, 1 every 8 hours, 4 continuously.
Aevo
ApeX
Aster
Avantis
Extended
GRVT
gTrade
Helix
Hyperliquid
Lighter
Ondo
Paradex
Variational
Vest Up to 20x, 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.