OITracker Cboe delayed data

Contract OI history

Back to PEN

Jan 15, 2027 EXPIRATION

PEN $310.00 Put

PEN270115P00310000

Latest saved OI294Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PEN $310.00 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. 2941470 2026-10-02: 154 OI2026-10-05: 154 OI2026-10-06: 154 OI2026-10-07: 154 OI2026-10-08: 154 OI2026-10-09: 206 OI2026-10-13: 211 OI2026-10-14: 230 OI2026-10-15: 238 OI2026-10-16: 239 OI2026-10-21: 294 OI2026-10-23: 294 OI Oct 02, 2026Oct 23, 2026

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

PEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2940
Oct 21, 2026294+55
Oct 16, 2026239+1
Oct 15, 2026238+8
Oct 14, 2026230+19
Oct 13, 2026211+5
Oct 09, 2026206+52
Oct 08, 20261540
Oct 07, 20261540
Oct 06, 20261540
Oct 05, 20261540
Oct 02, 2026154No prior observation