Bybit X Block Scholes crypto derivatives analytics report (Apr 2, 2025): BTC option skews show a bearish sign last seen in 2023

Key Highlights:

Our weekly crypto derivatives analytics report delves into macro events; the current state of crypto and trading signals from spot trading volume; and futures, options and perpetual contracts.

As markets near US president Trump's "Liberation Day" for tariffs, crypto remains volatile. BTC has dropped from a local high of $88K to $82K amid signs that tariffs will affect many countries. Implied volatility has spiked and then eased. Other derivatives market metrics show that BTC and ETH volatility smile skews remain significantly skewed toward puts, a level last seen in March 2023.

Please check out the report’s highlights.

BTC options show signs last seen in March 2023

Sources: Bybit, Block Scholes

As crypto prices remain highly correlated with macro-sensitive assets, the week began with a surge in short-tenor implied volatility for BTC and ETH. The sell-off continued as President Trump announced tariffs affecting about 90 countries. BTC's front-end volatility quickly fell below longer maturities, and short-dated volatility smiles briefly favored OTM puts, reminiscent of levels seen during the March 2023 US banking crisis. 

The market shows less interest in SOL

Sources: Bybit, Block Scholes

SOL options remain the least traded among major cryptocurrencies (i.e., BTC and ETH), but there was a significant rise in call options this week, dominating both volume and open interest. Following the Mar 28, 2025 expirations, many contracts weren’t reopened, with the notional size of call contracts decreasing from over $3.2M to around $2.5M. However, there has been a slight increase in the notional size of open put options, as traders respond to a continued decline from the January all-time high of $250.

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