An American style foreign exchange put option

1) The option buyer is empowered to press the

The right to sell foreign currency at a known exchange rate.

2) The option seller is empowered to press the

The right to sell foreign currency at a known exchange rate.

3) Gives the option buyer at a specific time in the future in accordance with a

The right to sell foreign exchange at a known exchange rate.

4) Mandatory requirement of the buyer at any time during the validity period of the option

sell foreign exchange at a known exchange rate