the extent to which orders to trade are given or transactions are undertaken at or around a specific time when reference prices, settlement prices and valuations are calculated and lead to price changes which have an effect on such prices and valuations.
a mhéid a thugtar orduithe chun trádála nó a dhéantar idirbhearta ag am ar leith nó faoi am ar leith nuair a dhéantar praghsanna tagartha, praghsanna socraithe agus luachálacha a ríomh agus nuair atá siad ina gcúis le hathruithe praghsanna a bhfuil tionchar acu ar phraghsanna agus luachálacha den sórt sin.