OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

MS $190.00 Put

MS271217P00190000

Latest saved OI630Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $190.00 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. 6303150 2026-10-02: 611 OI2026-10-05: 614 OI2026-10-06: 614 OI2026-10-07: 620 OI2026-10-08: 620 OI2026-10-09: 630 OI2026-10-13: 630 OI2026-10-14: 630 OI2026-10-15: 630 OI2026-10-16: 630 OI2026-10-21: 630 OI2026-10-23: 630 OI Oct 02, 2026Oct 23, 2026

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

MS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6300
Oct 21, 20266300
Oct 16, 20266300
Oct 15, 20266300
Oct 14, 20266300
Oct 13, 20266300
Oct 09, 2026630+10
Oct 08, 20266200
Oct 07, 2026620+6
Oct 06, 20266140
Oct 05, 2026614+3
Oct 02, 2026611No prior observation