OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

P $130.00 Put

P261218P00130000

Latest saved OI66Oct 23, 2026
Last change+20vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
P $130.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 66330 2026-10-15: 0 OI2026-10-16: 18 OI2026-10-21: 46 OI2026-10-23: 66 OI Oct 15, 2026Oct 23, 2026

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

P contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing66+20
Oct 21, 202646+28
Oct 16, 202618+18
Oct 15, 20260No prior observation