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Contract OI history

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Dec 18, 2026 EXPIRATION

PEN $135.00 Put

PEN261218P00135000

Latest saved OI468Oct 23, 2026
Last change+34vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PEN $135.00 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. 4682340 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 6 OI2026-10-13: 92 OI2026-10-14: 150 OI2026-10-15: 198 OI2026-10-16: 286 OI2026-10-21: 434 OI2026-10-23: 468 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, 2026Viewing468+34
Oct 21, 2026434+148
Oct 16, 2026286+88
Oct 15, 2026198+48
Oct 14, 2026150+58
Oct 13, 202692+86
Oct 09, 20266+4
Oct 08, 202620
Oct 07, 202620
Oct 06, 20262+1
Oct 05, 202610
Oct 02, 20261No prior observation