OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

PENN $16.00 Put

PENN270115P00016000

Latest saved OI600Oct 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 $16.00 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. 6003000 2026-10-08: 586 OI2026-10-13: 586 OI2026-10-14: 600 OI2026-10-15: 600 OI2026-10-16: 600 OI2026-10-21: 600 OI2026-10-23: 600 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, 20266000
Oct 21, 2026Viewing6000
Oct 16, 20266000
Oct 15, 20266000
Oct 14, 2026600+14
Oct 13, 20265860
Oct 08, 2026586No prior observation