OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

PCT $1000.00 Put

PCT280121P00001000

Latest saved OI453Oct 23, 2026
Last change+56vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PCT $1000.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4832410 2026-10-09: 483 OI2026-10-13: 483 OI2026-10-14: 483 OI2026-10-16: 483 OI2026-10-20: 397 OI2026-10-23: 453 OI Oct 09, 2026Oct 23, 2026

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

PCT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing453+56
Oct 20, 2026397-86
Oct 16, 20264830
Oct 14, 20264830
Oct 13, 20264830
Oct 09, 2026483No prior observation