14 venues list a DRAM perpetual: 10 charge funding every hour, 1 every 4 hours, 3 continuously.
Aevo
ApeX
Aster
edgeX
Extended
Hyperliquid
Lighter
Ondo
Ostium
Pacifica
Paradex
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.