There are many strategies when it comes to day trading. The best plan of action for forex trading is a combination strategy. You shouldn't be relying on just indicators alone, but following 3 market phrases as your base, and using indicators to help confirm your entries.
Proper Lot Sizes can be controversial, depending what trader you ask because if you open LOTS of trades per week, you want smaller lots. 1-2 trades a week means you can use slightly larger lot sizes with the same account size. No matter your strategy you shouldn't go very far beyond the spectrum that is showed in this video.
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