OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

MS $180.00 Put

MS280121P00180000

Latest saved OI1,351Oct 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 $180.00 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. 1,3516750 2026-10-02: 1,103 OI2026-10-05: 1,108 OI2026-10-06: 1,108 OI2026-10-07: 1,108 OI2026-10-08: 1,108 OI2026-10-09: 1,108 OI2026-10-13: 1,108 OI2026-10-14: 1,108 OI2026-10-15: 1,110 OI2026-10-16: 1,109 OI2026-10-21: 1,351 OI2026-10-23: 1,351 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, 2026Viewing1,3510
Oct 21, 20261,351+242
Oct 16, 20261,109-1
Oct 15, 20261,110+2
Oct 14, 20261,1080
Oct 13, 20261,1080
Oct 09, 20261,1080
Oct 08, 20261,1080
Oct 07, 20261,1080
Oct 06, 20261,1080
Oct 05, 20261,108+5
Oct 02, 20261,103No prior observation