For example, on April 10, Arthur Hayes, co-founder of crypto derivatives trading platform BitMEX, warned about a BTC price crash toward $30,000. That blog post triggered massive selling of May and June option calls, which caused BTC and ETH risk reversals (calls minus puts) to fall from -6% to -10%, according to QCP Capital, a Singapore-based crypto trading firm.
Source: https://www.coindesk.com/markets/2022/04/22/market-wrap-cryptos-slip-as-bitcoin-struggles-to-hold-40k/?utm_medium=referral&utm_source=rss&utm_campaign=headlines