Malta-based cryptocurrency exchange OKEx now features daily, two-day, and monthly options trading for BTC/USD, ETH/USD, and EOS/USD.
Source: https://cointelegraph.com/news/okex-expands-its-crypto-options-to-daily-two-day-and-monthly-options
OKEx Expands Its Crypto Options to Daily, Two-Day, and Monthly Options
July 24, 2020
CoinTelegraph