you mentioned that YOU want to create a strategy. But your questions imply that you haven't any starting point to do that. Please check your "Trading Experience" at your avatar and read the many threads in this forum which are belonging to beginners. It's valueable and worthwhile. Good Luck!
Most common indicators need to work across multiple time frames. Optimization will tell you what is the optimal period for your given range of days.
From what I've read most folks say that commissions or slippage will murder any non-HFT strategy on very low time frames. Meaning you will need to negotiate very low commissions AND payment for limit orders in order to make money, which isn't likely unless you have a huge account and can immediately begin meeting the agreement with your brokers.
You're better off focusing on 15M-30M or greater entry time frames. Your backtesting and optimization will tell you these time frames will work best when you incorporate slippage and commissions.
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Agree with consensus that trading the m1 isnít a long-term viable strategy in and of itself. Itís pure noise and thatís tradable, but youíll need no to low transaction costs, a team of quants modelling for you and a shedload of capital that Iím guessing someone looking to strategise on the m1 probably doesnít have. Not been snooty at all Ė just alerting you to heed the advice from others above about at least moving up to the m15-m30. Thatís about the smallest TF you can use where there is any sensible trend related action.
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