the extent to which orders to trade given or transactions undertaken are concentrated within a short time span in the trading session and lead to a price change which is subsequently reversed;
a mhéid atá orduithe chun trádála arna dtabhairt nó idirbhearta arna ndéanamh comhchruinnithe laistigh de thréimhse ghearr ama sa seisiún trádála agus a mhéid atá siad ina gcúis le hathrú praghais a fhreaschuirtear ina dhiaidh sin;