MSOS max pain

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

MSOS's max pain for the October 23, 2026 expiration was 4 at the October 20, 2026 close, +0.3% from MSOS's 3.99 close. Max pain is the price at which option holders' total intrinsic value at expiry would be smallest.

4
Max pain
Oct 23 expiry
3.99
Close
+0.3% to max pain
1.01
Put/call OI
0.4
Put/call volume

MSOS close vs max pain, last 20 sessions

SessionCloseMax painGap
Oct 203.994+0.3%
Oct 193.814+5.0%
Oct 163.894.5+15.7%
Oct 154.124−2.9%
Oct 144.084−2.0%
Oct 134.104−2.4%
Oct 124.204.5+7.1%
Oct 94.345+15.2%
Oct 84.274.5+5.4%
Oct 74.475+11.9%
Oct 64.455+12.4%
Oct 54.395+13.9%
Oct 24.475+11.9%
Oct 14.605+8.7%
Sep 304.525+10.6%
Sep 295.095−1.8%
Sep 285.165−3.1%
Sep 255.165−3.1%
Sep 245.185−3.5%
Sep 235.435−7.9%

The session before, max pain sat at 4.

Open interest within 45 days stood at 9,315 calls and 9,427 puts, a put/call ratio of 1.01. On the day, 3,638 calls and 1,465 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 MSOS's map move live all session.

Common questions

What is MSOS's max pain?

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

What is MSOS's put/call ratio?

By open interest 1.01; by volume 0.4 on October 20, 2026.

Does MSOS 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.