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Contract OI history

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Dec 18, 2026 EXPIRATION

C $150.00 Put

C261218P00150000

Latest saved OI359Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $150.00 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. 3591790 2026-10-02: 357 OI2026-10-05: 357 OI2026-10-06: 357 OI2026-10-07: 357 OI2026-10-08: 357 OI2026-10-09: 357 OI2026-10-13: 357 OI2026-10-14: 357 OI2026-10-15: 357 OI2026-10-16: 356 OI2026-10-21: 356 OI2026-10-23: 359 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, 2026Viewing359+3
Oct 21, 20263560
Oct 16, 2026356-1
Oct 15, 20263570
Oct 14, 20263570
Oct 13, 20263570
Oct 09, 20263570
Oct 08, 20263570
Oct 07, 20263570
Oct 06, 20263570
Oct 05, 20263570
Oct 02, 2026357No prior observation