CryptofeedWhale Drives Ether-Bitcoin Volatility Spread Lower Ahead of Options ExpiryPublikováno: 27.6.2023#Markets#news#Ether#Bitcoin#MarketsCelý článek The spread has flipped negative with consistent institutional selling of ether calls. Some of these positions could be rolled over ahead of Friday's expiry, leading to captivating shifts in volatility, crypto exchange Deribit said.