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Contract OI history

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Nov 20, 2026 EXPIRATION

PENN $13.00 Put

PENN261120P00013000

Latest saved OI173Oct 23, 2026
Last change+90vs 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. 173860 2026-10-08: 52 OI2026-10-13: 67 OI2026-10-14: 67 OI2026-10-15: 67 OI2026-10-16: 68 OI2026-10-21: 83 OI2026-10-23: 173 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, 2026173+90
Oct 21, 2026Viewing83+15
Oct 16, 202668+1
Oct 15, 2026670
Oct 14, 2026670
Oct 13, 202667+15
Oct 08, 202652No prior observation