Definition ∞ Pin risk is a specific type of market risk that arises in options trading, particularly around expiration, where the underlying asset’s price hovers very close to an option’s strike price. This proximity creates uncertainty about whether the option will expire in-the-money or out-of-the-money. It can lead to significant hedging difficulties and unexpected assignment or exercise outcomes for options writers. Managing this risk requires precise adjustments as expiration approaches.
Context ∞ While primarily an options trading concept, pin risk can manifest in crypto derivatives markets, especially with the proliferation of tokenized options and perpetual futures. A key discussion involves how volatility and rapid price movements in digital assets can amplify pin risk for market makers and liquidity providers. Future developments include more sophisticated automated hedging strategies and improved market infrastructure designed to manage and mitigate these precise expiration-related risks in volatile crypto derivatives.
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