Free WAT Max Pain - Waters Max Pain
Use free WAT Max Pain to find the candidate strike with the lowest combined call and put intrinsic value for Waters at one selected expiration. Compare the full pain curve alongside business context that includes product demand, regulatory decisions, clinical developments, and reimbursement trends.
How to use the WAT Max Pain tool
Confirm WAT
WAT is already entered. Keep it or search another ticker.
Choose an expiration
Select the expiration you want the calculation to use.
Calculate Max Pain
Generate the result, then compare Max Pain with price and the full pain chart.
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What is Max Pain?
Max Pain is the strike price at which option sellers (market makers) would lose the least amount of money if the stock expired at that price. The theory suggests stocks tend to gravitate toward this price near expiration.
Chart Legend:
- Green bars: Call option pain per strike
- Red bars: Put option pain per strike
- Blue line: Max Pain strike
- Red line: Current underlying price
Key levels
WAT max pain in detail
Computed
Spot
$455.45
Max pain strike
$430
5.6% below spot
Expiration
2026-11-20
Lowest total pain by strike
| Strike | Call pain | Put pain | Total |
|---|---|---|---|
| $430 | $876K | $11K | $887K |
| $440 | $1.1M | $2K | $1.1M |
| $450 | $1.5M | $0 | $1.5M |
| $420 | $690K | $1.0M | $1.7M |
| $460 | $2.0M | $0 | $2.0M |
Reviewed by the QuantWheel research team. Computed from listed WAT open interest for the expiration shown; a reference level, not a forecast. Read how we compute WAT max pain.
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Understanding WAT Max Pain
The WAT options chain represents Waters. Evaluate its open-interest distribution alongside business context that includes product demand, regulatory decisions, clinical developments, and reimbursement trends. Compare Max Pain across available expirations because the distribution can differ from one expiration to another.
For WAT, the calculator tests each candidate strike against call and put open interest for the selected expiration. Review the full curve with the result. The calculation describes the selected chain and does not predict where Waters will trade.
How the WAT Max Pain calculation works
QuantWheel tests each strike as a possible expiration price. It adds the intrinsic value of open calls and puts at that price, weighted by open interest and the contract multiplier. The strike with the lowest combined value is displayed as WAT Max Pain.
This calculation uses the selected options chain. It does not measure dealer inventory, intent, future order flow or the probability that WAT will finish at the calculated strike.
Related WAT options tools
Compare expiration pain with the WAT GEX chart or review WAT gamma by strike and expiration.
WAT Max Pain FAQ
What is WAT Max Pain?
WAT Max Pain is the candidate expiration price where the combined intrinsic value of outstanding WAT calls and puts is lowest for the selected expiration. It is a calculation based on open interest, not a prediction of where WAT will trade.
How is WAT Max Pain calculated?
For each candidate price, QuantWheel calculates call and put intrinsic value across the selected WAT options chain, multiplies each value by open interest and the 100-share contract multiplier, then adds the totals. The candidate price with the lowest combined total is the Max Pain strike.
Which WAT expiration should I select?
Select the exact WAT expiration you want to examine. Weekly and monthly expirations can have different open-interest distributions, so compare them separately instead of applying one result to every date.
How should I use WAT Max Pain?
Compare the calculated strike with WAT price and the full call and put pain chart for the same expiration. Use it as expiration context alongside liquidity, gamma exposure and your own risk plan rather than as a standalone trading signal.
Is WAT Max Pain a price target?
No. WAT Max Pain does not forecast price and does not prove that traders or market makers will move WAT toward a particular strike. News, volatility, liquidity and positioning can outweigh any expiration-related pinning effect.
Is the WAT Max Pain calculator free?
Yes. QuantWheel provides a limited number of free WAT Max Pain calculations. The calculator shows how many free calculations remain before you run another expiration.