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Contract OI history

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Dec 18, 2026 EXPIRATION

MGM $40.00 Put

MGM261218P00040000

Latest saved OI49Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MGM $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6983490 2026-10-02: 698 OI2026-10-05: 698 OI2026-10-06: 698 OI2026-10-07: 698 OI2026-10-08: 692 OI2026-10-09: 692 OI2026-10-13: 282 OI2026-10-14: 282 OI2026-10-15: 263 OI2026-10-16: 50 OI2026-10-21: 49 OI2026-10-23: 49 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MGM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026490
Oct 21, 2026Viewing49-1
Oct 16, 202650-213
Oct 15, 2026263-19
Oct 14, 20262820
Oct 13, 2026282-410
Oct 09, 20266920
Oct 08, 2026692-6
Oct 07, 20266980
Oct 06, 20266980
Oct 05, 20266980
Oct 02, 2026698No prior observation