OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MS $170.00 Put

MS270115P00170000

Latest saved OI2,556Oct 23, 2026
Last change+100vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $170.00 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. 2,5561,2780 2026-10-02: 2,109 OI2026-10-05: 2,137 OI2026-10-06: 2,133 OI2026-10-07: 2,135 OI2026-10-08: 2,135 OI2026-10-09: 2,150 OI2026-10-13: 2,218 OI2026-10-14: 2,218 OI2026-10-15: 2,270 OI2026-10-16: 2,275 OI2026-10-21: 2,456 OI2026-10-23: 2,556 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, 2026Viewing2,556+100
Oct 21, 20262,456+181
Oct 16, 20262,275+5
Oct 15, 20262,270+52
Oct 14, 20262,2180
Oct 13, 20262,218+68
Oct 09, 20262,150+15
Oct 08, 20262,1350
Oct 07, 20262,135+2
Oct 06, 20262,133-4
Oct 05, 20262,137+28
Oct 02, 20262,109No prior observation