TechFlow news, October 18 — Adam, macro researcher at Greeks.live, posted on X stating that today 11,000 BTC options expired with a Put Call Ratio of 0.78, maximum pain point at $64,000, and notional value of $1.26 billion. Meanwhile, 138,000 ETH options expired with a Put Call Ratio of 0.61, maximum pain point at $2,500, and notional value of $360 million.
This week, Bitcoin has shown a clear rebound, while Ethereum's recovery has been relatively weak. The open interest in this week’s Ethereum options expiration was only 30% of Bitcoin’s. In terms of implied volatility, the one-month at-the-money option IV for ETH is only 4% higher than BTC’s, and continues to decline.




