OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

MP $40.00 Put

MP271217P00040000

Latest saved OI488Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MP $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. 4882440 2026-10-02: 450 OI2026-10-05: 450 OI2026-10-06: 450 OI2026-10-07: 450 OI2026-10-08: 450 OI2026-10-09: 450 OI2026-10-13: 451 OI2026-10-14: 451 OI2026-10-15: 462 OI2026-10-16: 476 OI2026-10-21: 477 OI2026-10-23: 488 OI Oct 02, 2026Oct 23, 2026

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

MP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing488+11
Oct 21, 2026477+1
Oct 16, 2026476+14
Oct 15, 2026462+11
Oct 14, 20264510
Oct 13, 2026451+1
Oct 09, 20264500
Oct 08, 20264500
Oct 07, 20264500
Oct 06, 20264500
Oct 05, 20264500
Oct 02, 2026450No prior observation