on the basis of the value of one or more underlying assets or prices, including estimated prices, actual or estimated interest rates, quotes and committed quotes, or other values or surveys;
ar bhonn luach bunsócmhainne amháin nó níos mó nó praghsanna, lena n-áirítear praghsanna measta, rátaí úis iarbhír nó measta, luachana agus luachana geallta, nó luachanna eile nó suirbhéanna;