OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

W $110.00 Put

W261218P00110000

Latest saved OI497Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $110.00 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. 4972480 2026-10-02: 298 OI2026-10-05: 298 OI2026-10-06: 301 OI2026-10-07: 301 OI2026-10-08: 305 OI2026-10-09: 335 OI2026-10-13: 335 OI2026-10-14: 335 OI2026-10-15: 337 OI2026-10-16: 352 OI2026-10-21: 484 OI2026-10-23: 497 OI Oct 02, 2026Oct 23, 2026

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

W contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026497+13
Oct 21, 2026Viewing484+132
Oct 16, 2026352+15
Oct 15, 2026337+2
Oct 14, 20263350
Oct 13, 20263350
Oct 09, 2026335+30
Oct 08, 2026305+4
Oct 07, 20263010
Oct 06, 2026301+3
Oct 05, 20262980
Oct 02, 2026298No prior observation