When you create this spread you sell an in the money put and buy a deeper in the money put on the same security. For example, you sell an $85 put for $10 and buy the $90 put for $14. From this you spend $4 initially.
If the stock stays below $85 we will be called and forced to buy the stock at $85. But because we bought the $90 call we will be able to sell it at $90, making us $5.
Max Profit
Your max profit on a bear call spread is the difference between the strike prices minus what you paid for the options. In the above example the difference between the strike prices, is $5 and we paid $4 to enter the trade.
So our max profit would be $1. You would realize your max profit as long as the stock stays below the strike price you sold. In this example that is $85.
Max Loss
The max loss on a bear call spread is the money you initially spend entering the trade. In this example it is $4.
Probabilities
This is a high probability trade because the stock only needs to stay below $85 to be profitable.
