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Contract OI history

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Nov 20, 2026 EXPIRATION

PEN $300.00 Put

PEN261120P00300000

Latest saved OI142Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PEN $300.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 142710 2026-10-02: 118 OI2026-10-05: 118 OI2026-10-06: 118 OI2026-10-07: 118 OI2026-10-08: 118 OI2026-10-09: 119 OI2026-10-13: 137 OI2026-10-14: 137 OI2026-10-15: 138 OI2026-10-16: 137 OI2026-10-21: 141 OI2026-10-23: 142 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing142+1
Oct 21, 2026141+4
Oct 16, 2026137-1
Oct 15, 2026138+1
Oct 14, 20261370
Oct 13, 2026137+18
Oct 09, 2026119+1
Oct 08, 20261180
Oct 07, 20261180
Oct 06, 20261180
Oct 05, 20261180
Oct 02, 2026118No prior observation