CLS max pain

From the closing options book · October 20, 2026 · updated after every close

CLS's max pain for the October 23, 2026 expiration was 330 at the October 20, 2026 close, +10.1% from CLS's 299.69 close. Max pain is the price at which option holders' total intrinsic value at expiry would be smallest.

330
Max pain
Oct 23 expiry
299.69
Close
+10.1% to max pain
1.42
Put/call OI
0.63
Put/call volume

CLS close vs max pain, last 20 sessions

SessionCloseMax painGap
Oct 20299.69330+10.1%
Oct 19300.35340+13.2%
Oct 16303.81340+11.9%
Oct 15315.25345+9.4%
Oct 14323.32345+6.7%
Oct 13357.44350−2.1%
Oct 12347.50350+0.7%
Oct 9362.16350−3.4%
Oct 8356.53355−0.4%
Oct 7371.57355−4.5%
Oct 6388.24355−8.6%
Oct 5382.69355−7.2%
Oct 2387.32355−8.3%
Oct 1373.09352.5−5.5%
Sep 30361.43350−3.2%
Sep 29366.47350−4.5%
Sep 28356.53350−1.8%
Sep 25365.44350−4.2%
Sep 24373.56340−9.0%
Sep 23361.84332.5−8.1%

The session before, max pain sat at 340.

Open interest within 45 days stood at 11,574 calls and 16,418 puts, a put/call ratio of 1.42. On the day, 1,794 calls and 1,136 puts traded.

Max pain is a property of the open-interest book, not a forecast: price has no obligation to finish there, and on most days it does not. It is most useful as a reference for where the expiring book is balanced.

These are the October 20, 2026 closing numbers. Members see CLS's map move live all session.

Common questions

What is CLS's max pain?

330 for the October 23, 2026 expiration, from open interest at the October 20, 2026 close.

What is CLS's put/call ratio?

By open interest 1.42; by volume 0.63 on October 20, 2026.

Does CLS close at max pain?

Not reliably. Max pain describes where the expiring options book is balanced; it is a reference level, not a prediction.

Compare: max pain on other tickers

Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.