Originally posted by arbtrader
At what point do you cut your losses if it keeps moving against you? Anyone who pair trades care to comment?
I analyze it from a risk/reward perspective, i.e., if I expect the spread to revert to the mean 67% of the time, then I'll implement a stop loss that is equal to the reward of the spread. So, size of loss equals size of win, but if you win 2 out of 3 times, then you're golden.
MC