@nicehashdev: I think that the profit counting system has a problem. For example at this moment:

X11   19.3508 GH/s   0.6101 BTC/GH/Day
X13   6.2532 GH/s   0.6997 BTC/GH/Day
X15    4.4849 GH/s   0.7123 BTC/GH/Day

X11 is the best profit coin, but nicehash points to X15.

Other example: sometimes when X13 has higher paying rate than X15 but the system also choices X15 as the most profit coin.

So I think X15 profit counting formula is not right. Please check.