OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

PENN $13.00 Put

PENN280121P00013000

Latest saved OI325Oct 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 $13.00 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. 3251620 2026-10-08: 325 OI2026-10-13: 325 OI2026-10-14: 325 OI2026-10-15: 325 OI2026-10-16: 325 OI2026-10-21: 325 OI2026-10-23: 325 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, 20263250
Oct 21, 2026Viewing3250
Oct 16, 20263250
Oct 15, 20263250
Oct 14, 20263250
Oct 13, 20263250
Oct 08, 2026325No prior observation