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Contract OI history

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Dec 18, 2026 EXPIRATION

C $135.00 Put

C261218P00135000

Latest saved OI1,718Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $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. 1,7438710 2026-10-02: 1,743 OI2026-10-05: 1,735 OI2026-10-06: 1,734 OI2026-10-07: 1,734 OI2026-10-08: 1,734 OI2026-10-09: 1,734 OI2026-10-13: 1,732 OI2026-10-14: 1,732 OI2026-10-15: 1,732 OI2026-10-16: 1,732 OI2026-10-21: 1,724 OI2026-10-23: 1,718 OI Oct 02, 2026Oct 23, 2026

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

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,718-6
Oct 21, 20261,724-8
Oct 16, 20261,7320
Oct 15, 20261,7320
Oct 14, 20261,7320
Oct 13, 20261,732-2
Oct 09, 20261,7340
Oct 08, 20261,7340
Oct 07, 20261,7340
Oct 06, 20261,734-1
Oct 05, 20261,735-8
Oct 02, 20261,743No prior observation