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Contract OI history

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Oct 23, 2026 EXPIRATION

PL $18.50 Put

PL261023P00018500

Latest saved OI1Oct 23, 2026
Last change-5vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
PL $18.50 put open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 730 2026-10-05: 0 OI2026-10-06: 3 OI2026-10-07: 3 OI2026-10-08: 3 OI2026-10-09: 7 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-15: 7 OI2026-10-16: 7 OI2026-10-21: 6 OI2026-10-23: 1 OI Oct 05, 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, 2026Viewing1-5
Oct 21, 20266-1
Oct 16, 202670
Oct 15, 202670
Oct 14, 202670
Oct 13, 202670
Oct 09, 20267+4
Oct 08, 202630
Oct 07, 202630
Oct 06, 20263+3
Oct 05, 20260No prior observation