OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

PK $12.50 Put

PK270115P00012500

Latest saved OI3,705Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PK $12.50 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. 3,7051,8520 2026-10-02: 92 OI2026-10-05: 90 OI2026-10-06: 183 OI2026-10-07: 183 OI2026-10-08: 183 OI2026-10-09: 193 OI2026-10-13: 3,700 OI2026-10-14: 3,700 OI2026-10-15: 3,700 OI2026-10-16: 3,700 OI2026-10-21: 3,705 OI2026-10-23: 3,705 OI Oct 02, 2026Oct 23, 2026

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

PK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,7050
Oct 21, 20263,705+5
Oct 16, 20263,7000
Oct 15, 20263,7000
Oct 14, 20263,7000
Oct 13, 20263,700+3,507
Oct 09, 2026193+10
Oct 08, 20261830
Oct 07, 20261830
Oct 06, 2026183+93
Oct 05, 202690-2
Oct 02, 202692No prior observation