Max Pain & Expiry Pinning
Pinpoint where options markets feel maximum pressure.
Overview
This pillar identifies the 'max pain' strike price, where the largest number of options expire worthless. It acts as a powerful price magnet, revealing where market makers may steer an asset's price near expiration.
What It Does
Max Pain theory suggests that an asset's price will gravitate towards the strike price that causes the maximum financial loss for options buyers. This pillar analyzes open interest across all call and put options for a specific expiration date. It calculates the cumulative value of in-the-money options at each strike to find the point of minimum value, the 'max pain' price.
Why It Matters
It provides a data-driven target for an asset's price, especially in the final days and hours before options expiration. This offers a contrarian view against popular sentiment, highlighting where large financial players have a vested interest to push the price.
How It Works
First, we aggregate open interest data for all puts and calls for a given expiration date. For every potential strike price, we then calculate the total dollar loss for option holders if the asset were to expire at that price. The strike price with the highest cumulative loss for buyers is identified as the Max Pain price.
Methodology
For each potential settlement price (S), calculate the total intrinsic value of options. For Calls: Sum of [(S - Strike Price) * Open Interest] for all strikes < S. For Puts: Sum of [(Strike Price - S) * Open Interest] for all strikes > S. The Max Pain price is the strike S where the sum of these two values is minimized. Analysis is most potent within the 5 days leading up to a major options expiration event.
Edge & Advantage
This reveals the hidden financial incentives of market makers, providing a price target that is often ignored by retail sentiment and standard technical analysis.
Key Indicators
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Max Pain Price
highThe calculated strike price where the maximum number of options (by value) expire worthless.
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Open Interest Walls
mediumStrike prices with exceptionally high open interest for puts or calls, acting as potential support or resistance.
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Pinning Probability
lowA derived score indicating the likelihood of the price settling near the Max Pain price, based on volume and proximity.
Data Sources
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Official options market data for US equities and indices.
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Leading source for cryptocurrency options data, especially for Bitcoin and Ethereum.
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Options Data Providers
Professional services like OptionMetrics or Cboe Livevol that supply comprehensive options data.
Example Questions This Pillar Answers
- → Will Tesla (TSLA) stock close between $180 and $185 on its monthly options expiration date?
- → What will be the price of Bitcoin at the time of Friday's 8am UTC options settlement?
- → Will the S&P 500 index (SPX) close within 10 points of the 5200 strike price on quarterly expiration?
Tags
Use Max Pain & Expiry Pinning on a real market
Run this analytical framework on any Polymarket or Kalshi event contract.
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