MDB max pain

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

MDB's max pain for the October 23, 2026 expiration was 355 at the October 20, 2026 close, −3.1% from MDB's 366.18 close. Max pain is the price at which option holders' total intrinsic value at expiry would be smallest.

355
Max pain
Oct 23 expiry
366.18
Close
−3.1% to max pain
0.76
Put/call OI
0.79
Put/call volume

MDB close vs max pain, last 20 sessions

SessionCloseMax painGap
Oct 20366.18355−3.1%
Oct 19348.69352.5+1.1%
Oct 16337.57357.5+5.9%
Oct 15366.49375+2.3%
Oct 14356.29377.5+6.0%
Oct 13373.07370−0.8%
Oct 12381.29370−3.0%
Oct 9385.93370−4.1%
Oct 8371.35350−5.7%
Oct 7363.03350−3.6%
Oct 6360.71350−3.0%
Oct 5359.23350−2.6%
Oct 2357.96345−3.6%
Oct 1351.73340−3.3%
Sep 30348.61337.5−3.2%
Sep 29337.19340+0.8%
Sep 28334.68400+19.5%
Sep 25410.44410−0.1%
Sep 24421.40405−3.9%
Sep 23428.36397.5−7.2%

The session before, max pain sat at 352.5.

Open interest within 45 days stood at 24,415 calls and 18,619 puts, a put/call ratio of 0.76. On the day, 6,004 calls and 4,718 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 MDB's map move live all session.

Common questions

What is MDB's max pain?

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

What is MDB's put/call ratio?

By open interest 0.76; by volume 0.79 on October 20, 2026.

Does MDB 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.