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Contract OI history

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Dec 18, 2026 EXPIRATION

PL $21.00 Put

PL261218P00021000

Latest saved OI89Oct 23, 2026
Last change-37vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PL $21.00 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. 126630 2026-10-02: 113 OI2026-10-05: 114 OI2026-10-06: 114 OI2026-10-07: 114 OI2026-10-08: 114 OI2026-10-09: 115 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-15: 116 OI2026-10-16: 116 OI2026-10-21: 126 OI2026-10-23: 89 OI Oct 02, 2026Oct 23, 2026

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

PL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing89-37
Oct 21, 2026126+10
Oct 16, 20261160
Oct 15, 2026116+1
Oct 14, 20261150
Oct 13, 20261150
Oct 09, 2026115+1
Oct 08, 20261140
Oct 07, 20261140
Oct 06, 20261140
Oct 05, 2026114+1
Oct 02, 2026113No prior observation