Why is the delta () for a put option negative?

Select one:

Because there is an inverse relation between the value of a put option and the underlying asset price.

Because put options are less likely to finish in the money (compared to call options).

Delta will only be negative for a European option. Since an American put option can be exercised early, it can have a positive delta.

Because there is a positive relation between the value of a put option and the underlying asset price.