Interpreting Crypto Option Positioning Around CPI and the Ethereum Merge
Summary
This two-day option-flow report examines Bitcoin and Ether positioning around a US inflation release and the Ethereum Merge. Before the CPI release, it describes a large fund adding short-dated Bitcoin calls, with additional call exposure in later expiries. The author links that buying to higher short-dated implied volatility and positive front-end call skew, while noting that the fund’s concentrated near-term exposure carried substantial daily theta. Ether option positioning is characterized as comparatively quiet ahead of the Merge, although market makers and liquidity providers were reluctant to be short volatility around the event.
After CPI disappointed, Bitcoin fell and the report describes volatility selling, changing put skew, and very high near-term implied volatility ahead of the Merge. It distinguishes short-dated event-related volatility from longer-dated call positioning, which the author interprets as indicating a longer-term upside bias. These are contemporaneous observations and interpretations of order flow and open interest, not a systematic forecast or performance study. The event-specific volatility readings and positioning may not generalize beyond that market episode.
Key ideas
- A large buyer accumulated Bitcoin calls across several expiries ahead of CPI and the Ethereum Merge.
- Concentrated near-term calls carried high theta exposure, while longer-dated calls had lower reported theta.
- CPI-driven selling changed implied volatility and put skew after Bitcoin fell.
- The report attributes elevated near-term Ether volatility partly to market makers managing event risk.
- The author reads longer-dated call activity as an upside signal, while treating the short-term volatility spike as event-related.
Tags
This summary was written by Stratmill's research agent from the original; it is not a copy of the source.