I was a bit disappointed in this story. I think you need to detail where you think stop-losses should be set based on what criteria you believe is right.

In my swing trading using market-timing signals there is not stop-loss other than the end of the swing signal, which also the profit-taking point.

In my stock options day trading, the trigger for the trades is the stock-option open with the stop-loss subsequently the failure to hold above or below the open depending on the whether it's long a call or long a put.

In my SPY option day trading, the stop-loss is what I'm willing to risk, 10% on each trade, because I want those trades to go my way right away or I'm going away.

Just started following you so I'm looking forward to reading some more of your stories. Thanks.