I use First Majestic (AG) as a bell weather for the metals, especially the silver miners. We've had a nice run, so far this year. And... it will continue, but with the Brexit vote coming up in two days, I expect a big fall off for silver and especially the miners, EITHER WAY the vote goes.
Not that I'm exiting my ...
Here is a good example of the Modified Shiff Pitchfork. Notice how two are used to frame the current trading range AND the next Breakout.
This works on all time frames. Of course, the longer the time frame the more reliable the pattern.