'Token' is the generic term people have settled on. 'Currency' is rare.
A stock would be a 'tokenized equity', in the same way there's 'tokenised real estate', 'tokenised metals', 'tokenised bonds', whatever the real world asset is.
'In-game currency' is indeed used by gaming people, since that was their term from before blockchain.
well i guess anything can be a currency but its too misleading even though that was by design.
if its designed to be a stock then should be called so. poker chips? in game currency? money laundering token? reward points? purchase receipt? jpeg? just think it would help