Nice divergence off of the 15 min USD/CAD,
Patience is key to any trade. Don't make 5 trades, Make the one you know will will be worth 5.
RSI is one of the most classic indicators everyone should master.
OANDA:USDCAD
Simple,
What is the best best indicator? The chart its self.
Then its up to you! I like to use nothing but RSI, fib, Gann, and type "Theory's and techniques and no, I am not a Gann wizard. Its just cool to use some off his techniques if you can.
Honestly I read Candice Brown more than anything. Trade on the side for fun.
RSI Divergence, support and resistance.
