OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

PENN $15.00 Put

PENN270115P00015000

Latest saved OI2,265Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PENN $15.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2,2651,1320 2026-10-08: 2,244 OI2026-10-13: 2,244 OI2026-10-14: 2,264 OI2026-10-15: 2,264 OI2026-10-16: 2,265 OI2026-10-21: 2,265 OI2026-10-23: 2,265 OI Oct 08, 2026Oct 23, 2026

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

PENN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262,2650
Oct 21, 2026Viewing2,2650
Oct 16, 20262,265+1
Oct 15, 20262,2640
Oct 14, 20262,264+20
Oct 13, 20262,2440
Oct 08, 20262,244No prior observation