OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

PENN $20.00 Call

PENN270115C00020000

Latest saved OI2,456Oct 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 $20.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2,5161,2580 2026-10-08: 2,510 OI2026-10-13: 2,512 OI2026-10-14: 2,512 OI2026-10-15: 2,513 OI2026-10-16: 2,516 OI2026-10-21: 2,456 OI2026-10-23: 2,456 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, 20262,4560
Oct 21, 2026Viewing2,456-60
Oct 16, 20262,516+3
Oct 15, 20262,513+1
Oct 14, 20262,5120
Oct 13, 20262,512+2
Oct 08, 20262,510No prior observation