OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

PCT $5.00 Put

PCT280121P00005000

Latest saved OI33,194Oct 23, 2026
Last change+1,817vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PCT $5.00 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. 33,19416,5970 2026-10-09: 24,050 OI2026-10-13: 25,050 OI2026-10-14: 25,266 OI2026-10-16: 27,061 OI2026-10-20: 31,377 OI2026-10-23: 33,194 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, 2026Viewing33,194+1,817
Oct 20, 202631,377+4,316
Oct 16, 202627,061+1,795
Oct 14, 202625,266+216
Oct 13, 202625,050+1,000
Oct 09, 202624,050No prior observation