Want to make money when BTC goes up and down ? Best BITMEX guide here - http://fuk.io/bitmex-the-best-and-safest-spot-to-multiply-btc-on-prices-changing/
Want to not lose money because of btc volatility? Try Nubits!
Yeah i have article where i describe how to use NBT to not loose money on BTC going down I will dig it up later maybe