OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

MP $40.00 Put

MP270319P00040000

Latest saved OI5,437Oct 23, 2026
Last change+6vs 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. 5,4372,7180 2026-10-02: 4,979 OI2026-10-05: 5,344 OI2026-10-06: 5,344 OI2026-10-07: 5,354 OI2026-10-08: 5,354 OI2026-10-09: 5,350 OI2026-10-13: 5,416 OI2026-10-14: 5,416 OI2026-10-15: 5,411 OI2026-10-16: 5,420 OI2026-10-21: 5,431 OI2026-10-23: 5,437 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, 2026Viewing5,437+6
Oct 21, 20265,431+11
Oct 16, 20265,420+9
Oct 15, 20265,411-5
Oct 14, 20265,4160
Oct 13, 20265,416+66
Oct 09, 20265,350-4
Oct 08, 20265,3540
Oct 07, 20265,354+10
Oct 06, 20265,3440
Oct 05, 20265,344+365
Oct 02, 20264,979No prior observation