That's why the seller pays more ($ 225): they accept a greater maximum potential loss in exchange for that advantage. (nadex.com)
A (continuous) stress test is done on positions to calculate maximum potential loss over a 17.5 % movement in the bitcoin price, either up or down. (cryptoninjas.net)
Note that his maximum potential loss is unlimited, since there is no limit to how much a stock can grow. (money.stackexchange.com)