Identifying Call Option and Strike Price: A Financial Example

F is a call option and the strike price is 3.

Here's why:

• Call Option: A call option gives the holder the right, but not the obligation, to buy an underlying asset at a predetermined price (the strike price) on or before a certain date. In this example, the claim (F) only pays off when the asset price (S_1) is higher than 3. This aligns with the characteristic of a call option, where the payoff increases with the asset price.

• Strike Price: The strike price is the price at which the holder of the option can buy the underlying asset. In this case, the payoff of F is 0 when S_1 = 3, and positive when S_1 = 14. This signifies that the strike price is 3, as the holder of the claim receives a payoff only when the asset price exceeds this value.

Therefore, F is a call option with a strike price of 3.