Financial instrument conferring to its holder the right or the obligation :
- to acquire (option to buy or "call warrant") or to yield (option to sell or "put warrant") subjacent assets at a given price, at the due date or during one defined period.
- to cash (in the case of an option to buy) or to pay (in the case of an option to sell) an amount corresponding to the difference - when it is positive - between the exchange rate of the subjacent assets at the date of exercise and the price of exercise of the warrant fixed in his contract of issuing.