I believe 10% per day with no compounding is also possible. That's the goal of my system.

1% to 3% Per Day? All things are Possible

I would stay away from any well-known pattern because it's likely being exploited by the professionals to get you stopped out.

Intraday pattern reliability

What if the pairs are negatively associated?

OCO for 2 pairs

I expect to win this competition with my demo account.

(binned per thread starter's request) Friendly Trading Competitio