the extent to which orders to trade given change the representation of the best bid or offer prices in a financial instrument, a related spot commodity contract, or an auctioned product based on emission allowances, or more generally the representation of the order book available to market participants, and are removed before they are executed; and
a mhéid a athraíonn orduithe chun trádála arna dtabhairt an t-uiríoll ar an tairiscint is fearr nó a thairgeann siad praghsanna in ionstraim airgeadais, i gconradh spot-tráchtearraí gaolmhar, nó i dtáirge ceantáilte bunaithe ar lamháltas astaíochtaí, nó, níos ginearálta, an t-uiríoll ar an leabhar orduithe atá ar fáil do rannpháirtithe margaidh, agus a bhaintear sula ndéantar iad; agus