OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

PCT $8.00 Put

PCT280121P00008000

Latest saved OI4,464Oct 23, 2026
Last change+3,328vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PCT $8.00 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. 4,4642,2320 2026-10-09: 1,156 OI2026-10-13: 1,156 OI2026-10-14: 1,156 OI2026-10-16: 1,156 OI2026-10-20: 1,136 OI2026-10-23: 4,464 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, 2026Viewing4,464+3,328
Oct 20, 20261,136-20
Oct 16, 20261,1560
Oct 14, 20261,1560
Oct 13, 20261,1560
Oct 09, 20261,156No prior observation