They have a history of shorting payouts. This time, they skimmed $115 on a $4340 payout (2.65%) during a time when BTC did not fluctuate (despite their CSR saying that it was due to price fluctuation).
Requested payout: $4340
BTC received: ~1.0356
Implied BTC conversion rate: $4190.80
Actual BTC price at receive time: ~$4080
USD value of payout received: $4225
High BTC price on coinbase (from 1 hour before blockchain time): $4099
Low BTC price on coinbase (from 1 horu before blockchain time): $4072
Requested payout: $4340
BTC received: ~1.0356
Implied BTC conversion rate: $4190.80
Actual BTC price at receive time: ~$4080
USD value of payout received: $4225
High BTC price on coinbase (from 1 hour before blockchain time): $4099
Low BTC price on coinbase (from 1 horu before blockchain time): $4072