OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

PENN $12.50 Put

PENN270115P00012500

Latest saved OI406Oct 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 $12.50 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. 4062030 2026-10-08: 400 OI2026-10-13: 400 OI2026-10-14: 399 OI2026-10-15: 399 OI2026-10-16: 399 OI2026-10-21: 406 OI2026-10-23: 406 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, 20264060
Oct 21, 2026Viewing406+7
Oct 16, 20263990
Oct 15, 20263990
Oct 14, 2026399-1
Oct 13, 20264000
Oct 08, 2026400No prior observation