$42.25/T of S15 contract for 5 years contract term and $0.1096 electricity fee each day, is it worth buying?

I found a cloud mining platform, they are releasing Antminer S15 hashrate with $50.90/T with 20% off and $0.1096 electricity fee each day, is it worth buying? Anyone can answer me. THX.

Submitted March 15, 2019 at 11:39AM by enhfsindkgd http://bit.ly/2HEQzTY