#SPXcampaign Here’s a good example of why you should avoid automated stops on spreads, especially SPX spreads. This is a screen shot from my broker I just took. It’s the spread I sold this morning, 2090/2070. Bid is .15 and ask ia 10.45, so Mid is 5.30! If I had put a 3.00 auto-stop on it, it would have survived the whole day until a few minutes ago. Of course, the bid/ask can get wacky when it’s about to expire in 30 minutes (and also first thing in the morning, and after hours), but this kind of anomaly can happen at any time and slam you out of your spread with a horrible fill.
