Complex sentence: For example, if exercise price is 100 premium paid is 10 then a spot price of 100 to 90 is not profitable, he would earn profit if the spot price is below 90.
Split into simpler sentences: For example, if exercise price is 100, premium paid is 10, then a spot price of 100 to 90 is not profitable. He would earn profit if the spot price is below 90.