Chapter 02 · Section 2.1
In summary
LONG CALL SHORT CALL LONG PUT SHORT PUT
Profit
potential Unlimited limited practically unlimited
unlimited*
Risk of
loss limited Unlimited limited practically
unlimited *
This information is useful to keep in mind when deciding upon an appropriate strategy.
For the put, we use the expression practically unlimited" because the profit (long put) or loss potential (short put) is limited to the exercise price minus the premium because the price of the underlying cannot fall below zero.