# Option Expiry ⎊ Definition

**Published:** 2026-04-28
**Author:** Greeks.live
**Categories:** Definition

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## Option Expiry

Option expiry is the date and time when an options contract ceases to exist and is settled according to the terms of the contract. At this point, any intrinsic value is realized, and any remaining extrinsic value vanishes.

The approach of an expiry date often leads to increased trading volume and volatility as traders roll over their positions or close them out. In the cryptocurrency market, monthly and quarterly expiries are major events that can influence spot prices due to the massive amount of hedging activity associated with these contracts.

Understanding the mechanics of expiry, including cash settlement versus physical delivery, is crucial for anyone trading options.

- [Option Strike Mispricing](https://term.greeks.live/definition/option-strike-mispricing/)

- [Option Portfolio Risk Sensitivity](https://term.greeks.live/definition/option-portfolio-risk-sensitivity/)

- [Settlement Mechanism](https://term.greeks.live/definition/settlement-mechanism/)

- [Option Payoff](https://term.greeks.live/definition/option-payoff/)

- [Volatility Surface Bias](https://term.greeks.live/definition/volatility-surface-bias/)

- [Staking Reward Inflation](https://term.greeks.live/definition/staking-reward-inflation/)

- [Trend Reversal Recognition](https://term.greeks.live/definition/trend-reversal-recognition/)

- [Physical Delivery](https://term.greeks.live/definition/physical-delivery/)

## Discover More

### [Model Parameter Sensitivity](https://term.greeks.live/term/model-parameter-sensitivity/)
![A detailed cross-section of a complex mechanism visually represents the inner workings of a decentralized finance DeFi derivative instrument. The dark spherical shell exterior, separated in two, symbolizes the need for transparency in complex structured products. The intricate internal gears, shaft, and core component depict the smart contract architecture, illustrating interconnected algorithmic trading parameters and the volatility surface calculations. This mechanism design visualization emphasizes the interaction between collateral requirements, liquidity provision, and risk management within a perpetual futures contract.](https://term.greeks.live/wp-content/uploads/2025/12/intricate-financial-derivative-engineering-visualization-revealing-core-smart-contract-parameters-and-volatility-surface-mechanism.webp)

Meaning ⎊ Model Parameter Sensitivity quantifies how valuation shifts in decentralized options respond to changes in underlying market inputs and protocol logic.

### [Trading Account Longevity](https://term.greeks.live/definition/trading-account-longevity/)
![A conceptual representation of an advanced decentralized finance DeFi trading engine. The dark, sleek structure suggests optimized algorithmic execution, while the prominent green ring symbolizes a liquidity pool or successful automated market maker AMM settlement. The complex interplay of forms illustrates risk stratification and leverage ratio adjustments within a collateralized debt position CDP or structured derivative product. This design evokes the continuous flow of order flow and collateral management in high-frequency trading HFT environments.](https://term.greeks.live/wp-content/uploads/2025/12/streamlined-high-frequency-trading-algorithmic-execution-engine-for-decentralized-structured-product-derivatives-risk-stratification.webp)

Meaning ⎊ The capacity to persist in financial markets by protecting capital and managing risk across various market cycles.

### [Momentum Trading Risks](https://term.greeks.live/definition/momentum-trading-risks/)
![A detailed abstract 3D render displays a complex assembly of geometric shapes, primarily featuring a central green metallic ring and a pointed, layered front structure. This composition represents the architecture of a multi-asset derivative product within a Decentralized Finance DeFi protocol. The layered structure symbolizes different risk tranches and collateralization mechanisms used in a Collateralized Debt Position CDP. The central green ring signifies a liquidity pool, an Automated Market Maker AMM function, or a real-time oracle network providing data feed for yield generation and automated arbitrage opportunities across various synthetic assets.](https://term.greeks.live/wp-content/uploads/2025/12/multilayered-collateralized-debt-position-architecture-for-synthetic-asset-arbitrage-and-volatility-tranches.webp)

Meaning ⎊ Dangers of trading based on existing price direction, including sudden reversals, false breakouts, and high leverage risks.

### [Reflexive Market Feedback](https://term.greeks.live/definition/reflexive-market-feedback/)
![A dynamic abstract form twisting through space, representing the volatility surface and complex structures within financial derivatives markets. The color transition from deep blue to vibrant green symbolizes the shifts between bearish risk-off sentiment and bullish price discovery phases. The continuous motion illustrates the flow of liquidity and market depth in decentralized finance protocols. The intertwined form represents asset correlation and risk stratification in structured products, where algorithmic trading models adapt to changing market conditions and manage impermanent loss.](https://term.greeks.live/wp-content/uploads/2025/12/visualizing-complex-financial-derivatives-structures-through-market-cycle-volatility-and-liquidity-fluctuations.webp)

Meaning ⎊ Circular influence where trader perception creates market reality, fueling speculative cycles.

### [Institutional Inflow Patterns](https://term.greeks.live/definition/institutional-inflow-patterns/)
![A futuristic device featuring a dynamic blue and white pattern symbolizes the fluid market microstructure of decentralized finance. This object represents an advanced interface for algorithmic trading strategies, where real-time data flow informs automated market makers AMMs and perpetual swap protocols. The bright green button signifies immediate smart contract execution, facilitating high-frequency trading and efficient price discovery. This design encapsulates the advanced financial engineering required for managing liquidity provision and risk through collateralized debt positions in a volatility-driven environment.](https://term.greeks.live/wp-content/uploads/2025/12/algorithmic-execution-interface-for-high-frequency-trading-and-smart-contract-automation-within-decentralized-protocols.webp)

Meaning ⎊ The tracking of large-scale capital movements from professional entities into crypto markets to infer market sentiment.

### [Liquidity Feedback Loop](https://term.greeks.live/definition/liquidity-feedback-loop/)
![A high-resolution render showcases a dynamic, multi-bladed vortex structure, symbolizing the intricate mechanics of an Automated Market Maker AMM liquidity pool. The varied colors represent diverse asset pairs and fluctuating market sentiment. This visualization illustrates rapid order flow dynamics and the continuous rebalancing of collateralization ratios. The central hub symbolizes a smart contract execution engine, constantly processing perpetual swaps and managing arbitrage opportunities within the decentralized finance ecosystem. The design effectively captures the concept of market microstructure in real-time.](https://term.greeks.live/wp-content/uploads/2025/12/dynamic-liquidity-pool-vortex-visualizing-perpetual-swaps-market-microstructure-and-hft-order-flow-dynamics.webp)

Meaning ⎊ A self-reinforcing cycle where declining prices trigger liquidations, creating further selling pressure and price drops.

### [Market Maker Price Efficiency](https://term.greeks.live/definition/market-maker-price-efficiency/)
![A cutaway view illustrates the internal mechanics of an Algorithmic Market Maker protocol, where a high-tension green helical spring symbolizes market elasticity and volatility compression. The central blue piston represents the automated price discovery mechanism, reacting to fluctuations in collateralized debt positions and margin requirements. This architecture demonstrates how a Decentralized Exchange DEX manages liquidity depth and slippage, reflecting the dynamic forces required to maintain equilibrium and prevent a cascading liquidation event in a derivatives market.](https://term.greeks.live/wp-content/uploads/2025/12/decentralized-finance-automated-market-maker-protocol-architecture-elastic-price-discovery-dynamics-and-yield-generation.webp)

Meaning ⎊ The capacity of liquidity providers to minimize price discrepancies and facilitate smooth price discovery across exchanges.

### [Smile and Smirk Patterns](https://term.greeks.live/definition/smile-and-smirk-patterns/)
![This abstract visualization illustrates the complex structure of a decentralized finance DeFi options chain. The interwoven, dark, reflective surfaces represent the collateralization framework and market depth for synthetic assets. Bright green lines symbolize high-frequency trading data feeds and oracle data streams, essential for accurate pricing and risk management of derivatives. The dynamic, undulating forms capture the systemic risk and volatility inherent in a cross-chain environment, reflecting the high stakes involved in margin trading and liquidity provision in interoperable protocols.](https://term.greeks.live/wp-content/uploads/2025/12/interoperability-architecture-illustrating-synthetic-asset-pricing-dynamics-and-derivatives-market-liquidity-flows.webp)

Meaning ⎊ Visual patterns of implied volatility across strikes that reveal market sentiment and the pricing of tail risk.

### [Emotional Extremes Identification](https://term.greeks.live/definition/emotional-extremes-identification/)
![This visual abstraction portrays a multi-tranche structured product or a layered blockchain protocol architecture. The flowing elements represent the interconnected liquidity pools within a decentralized finance ecosystem. Components illustrate various risk stratifications, where the outer dark shell represents market volatility encapsulation. The inner layers symbolize different collateralized debt positions and synthetic assets, potentially highlighting Layer 2 scaling solutions and cross-chain interoperability. The bright green section signifies high-yield liquidity mining or a specific options contract tranche within a sophisticated derivatives protocol.](https://term.greeks.live/wp-content/uploads/2025/12/visualizing-cross-chain-liquidity-flow-and-collateralized-debt-position-dynamics-in-defi-ecosystems.webp)

Meaning ⎊ Detecting market peaks or troughs by measuring collective investor sentiment and irrational behavioral patterns.

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**Original URL:** https://term.greeks.live/definition/option-expiry/