Well, I agree with you that Bitcoin can also move to very high %age a few days but I have my own strategy that I use and fortunately the strategy also works on those days when Bitcoin move to 50% or even more. I have been following my own strategy that has helped me secure profitable trades.

I have only faced a few losses when I traded very high volatility pump and dump coins. I know that it sounds funny but I had done that intentionally to see that how good my strategy is but unfortunately on those pump and dump coins my strategy didn't work at all.

If I'm not wrong then Bitcoin hasn't moved to very high %age in short time frame like 1 min, 3 min, 5 min, 15 min, and and even in 30min time frame. In fact I mostly do futures trading on Bitcoin so I don't think that my strategy is going to go down.

I didn't say that someone is brave or coward but I said that how someone can manage his/her emotions because fear is an emotion and if a trader has that emotion then his/her losses can be very high because fear and greed won't allow that trader to have successful trades very often. I won't claim to be a top level trader but I'm fortunate to have learned some skills that allow me to have positive trades.