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Contract OI history

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Jan 15, 2027 EXPIRATION

PENN $17.50 Call

PENN270115C00017500

Latest saved OI1,039Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PENN $17.50 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. 1,0395190 2026-10-08: 1,037 OI2026-10-13: 1,033 OI2026-10-14: 1,035 OI2026-10-15: 1,035 OI2026-10-16: 1,028 OI2026-10-21: 1,034 OI2026-10-23: 1,039 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, 20261,039+5
Oct 21, 2026Viewing1,034+6
Oct 16, 20261,028-7
Oct 15, 20261,0350
Oct 14, 20261,035+2
Oct 13, 20261,033-4
Oct 08, 20261,037No prior observation