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Contract OI history

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Dec 18, 2026 EXPIRATION

PEN $300.00 Put

PEN261218P00300000

Latest saved OI692Oct 23, 2026
Last change+4vs 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. 6923460 2026-10-02: 556 OI2026-10-05: 567 OI2026-10-06: 569 OI2026-10-07: 569 OI2026-10-08: 569 OI2026-10-09: 574 OI2026-10-13: 586 OI2026-10-14: 595 OI2026-10-15: 633 OI2026-10-16: 655 OI2026-10-21: 688 OI2026-10-23: 692 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, 2026Viewing692+4
Oct 21, 2026688+33
Oct 16, 2026655+22
Oct 15, 2026633+38
Oct 14, 2026595+9
Oct 13, 2026586+12
Oct 09, 2026574+5
Oct 08, 20265690
Oct 07, 20265690
Oct 06, 2026569+2
Oct 05, 2026567+11
Oct 02, 2026556No prior observation