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Contract OI history

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Apr 16, 2027 EXPIRATION

PENN $19.00 Put

PENN270416P00019000

Latest saved OI159Oct 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 $19.00 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. 159790 2026-10-08: 90 OI2026-10-13: 122 OI2026-10-14: 124 OI2026-10-15: 124 OI2026-10-16: 124 OI2026-10-21: 154 OI2026-10-23: 159 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, 2026159+5
Oct 21, 2026Viewing154+30
Oct 16, 20261240
Oct 15, 20261240
Oct 14, 2026124+2
Oct 13, 2026122+32
Oct 08, 202690No prior observation