I read the FAQ but I want to double check on shorting.
If I short a prob at ~$55 and it's value up but the prob fails to occur, will I make any money?
I know I make money as the value of a shorted stock falls.
When a prop fails, does its value go to zero and I make money?
I think I read that somewhere but I'm not sure

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Here is the link for your questions answered-
http://www.popsci.com/content/short-cover-payout
which is found somewhere in this section a few pages in.
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