Risky to trade against the prevailing trend. If you do it anyway, be prepared to take small gains and exit as soon as you see the slightest sign of trouble.
As for finding the trend if you are in doubt - try switching to H1 from M15 and see what it looks like there. Than you can go back to M5 or M15 with an understanding of the bigger picture.
As for finding the trend if you are in doubt - try switching to H1 from M15 and see what it looks like there. Than you can go back to M5 or M15 with an understanding of the bigger picture.
Old Benjamin was right