So far some traders got 55% to 72% scores which is already good considering the challenge of the time frame, so it's possible based on this data to have a good win percentage but when it comes to profitability we don't know when I'm betting I have good luck when betting at the lowest bet, but when tempted to try a big amount thinking that I already have a grasp of market trend, that's when I get busted.
I'm sure some bettors put in different amounts when betting to first test the market trend.

https://bitwinup.com/win_ratio