GM Trade carries 41.5% of all open Solana perp positions, $93.2M of the $224.5M spread across six venues on Oct 30. Pacifica follows at $54.7M and Jupiter Perps at $49.2M, with Phoenix at $23.3M.

The largest single market is $SOL itself on Jupiter Perps, with $32.1M of open positions. Traders there pay a borrow fee of +0.0016% per hour, the cost of keeping a position open on that venue.

Across 290 markets, the board traded $1.97B in the 24 hours to the Oct 30 reading.