Sort:  

Try Deribit, that's as far the best. They also have sometimes overload issues but not as bad as Bitmex. Bybit I use for ETH but the recent withdrawal issues are a concern.

Coin Marketplace

STEEM 0.04
TRX 0.33
JST 0.084
BTC 63240.79
ETH 1704.60
USDT 1.00
SBD 0.42