That's kind of where I'm at. Trying to see if there's a way to increase odds to above those of roulette. And not really sure how to tell if my correct guesses/intuitions aren't false positives.
Don't worry about trying to increase your winning pct. 40-60% area is actually easier to trade. No such thing as long-term 70% avg winners with 2 to 1 avg reward for the risk taken (not even 1.5 to 1 for that matter).
Focus on your reward expected for the risk taken. If it's a winning system, your winning pct will converge to well-defined boundaries.
You're at a disadvantage if you choose currency pairs for your trading operations. They're not volatile enough. Focus on either the NQ, YM or RTY of the e-minis (or micros if you don't have sufficient funds and no, the ES is not volatile enough for beginners/intermediates). THEY have the volatility you need in the first 2 hours of trading to support what you want to get out of all of this. If you're in the US and can trade at night, then choose either the HSI or HHI on the Hong Kong Futures Exchange (HKFE). They also have mini contracts at 1/5th the big contracts' value.