OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

M $15.00 Put

M261218P00015000

Latest saved OI271Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $15.00 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. 2711350 2026-10-02: 266 OI2026-10-05: 266 OI2026-10-06: 266 OI2026-10-07: 266 OI2026-10-08: 266 OI2026-10-09: 268 OI2026-10-13: 267 OI2026-10-14: 267 OI2026-10-15: 267 OI2026-10-16: 267 OI2026-10-21: 271 OI2026-10-23: 271 OI Oct 02, 2026Oct 23, 2026

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

M contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2710
Oct 21, 2026271+4
Oct 16, 20262670
Oct 15, 20262670
Oct 14, 20262670
Oct 13, 2026267-1
Oct 09, 2026268+2
Oct 08, 20262660
Oct 07, 20262660
Oct 06, 20262660
Oct 05, 20262660
Oct 02, 2026266No prior observation