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Trading the Relative Volatility of Bitcoin and Ethereum

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Summary

This commentary describes a relative-value volatility view based on the ratio of Bitcoin to Ethereum implied volatility. The author considered the ratio unusually high against its stated historical range and relative to realized volatility, reasoning that Ethereum's higher beta could make its volatility undervalued compared with Bitcoin's. The suggested position was to short BTC volatility and buy ETH volatility in selected March and June expiries.

The note reports that the ratio later declined after adverse U.S. regulatory news about Ethereum staking, illustrating how event risk can move relative volatility positions against expectations. It argues that ETH may react more strongly than BTC to both positive and negative news over the long run. That is a qualitative thesis, not a demonstrated forecast: the document gives a small number of ratio observations, no systematic test, and no trade-level risk or performance analysis. The episode underscores that relative-value reasoning does not remove exposure to asset-specific news.

Key ideas

  • The commentary compares BTC and ETH implied volatility using their volatility ratio.
  • It proposes short BTC volatility and long ETH volatility when the ratio is high relative to its usual range and realized-volatility relationship.
  • The stated rationale is that ETH's higher beta may support greater future volatility than BTC's.
  • Regulatory news concerning ETH staking coincided with a decline in the relative-volatility ratio.
  • The long-run claim about ETH reacting more strongly to news is a thesis, and the note does not provide a systematic test.

Tags

CryptoOptionsVolatilityDerivatives pricing

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.