Depends on your trading time, also we need to consider when is your free time to make a trade depends if you are going for a full time trader or just a partime trader also considering the risk you are willing to put in, if you are busy for a whole day having a day trade is good because you can now make mark with the market for a 4H to upper time frame movement which is you can read those takes time to analyze next is if you are a short term trader and have a lot of time to watch the market go for a lower time frames which is more volatile and active. Now depends on your capital you are going to make a risk if its for an 30% or more and confidence to trade of course.