No — Ostium does not list Plasma (XPL) on its market list. Every venue with a XPL market is compared below.
OSTIUM × XPLNot listed
Crypto · Ostium · Arbitrum14 venues list a plasma perpetual, Canborsa included. Sorted by max leverage, highest first.
Four steps from an empty wallet to an open XPL position on Canborsa.
Plasma is not currently listed on Ostium.
Ostium lists 75 markets in total, Plasma among them.
Plasma trades on Ostium via Arbitrum.
XPL (Plasma) trades on Ostium as a crypto asset.
Where else Plasma trades, venue by venue.