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Contract OI history

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Nov 20, 2026 EXPIRATION

A $155.00 Put

A261120P00155000

Latest saved OI131Oct 23, 2026
Last change-9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
A $155.00 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. 142710 2026-10-02: 68 OI2026-10-05: 70 OI2026-10-06: 71 OI2026-10-07: 71 OI2026-10-08: 71 OI2026-10-09: 130 OI2026-10-13: 137 OI2026-10-14: 137 OI2026-10-15: 137 OI2026-10-16: 142 OI2026-10-21: 140 OI2026-10-23: 131 OI Oct 02, 2026Oct 23, 2026

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

A contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing131-9
Oct 21, 2026140-2
Oct 16, 2026142+5
Oct 15, 20261370
Oct 14, 20261370
Oct 13, 2026137+7
Oct 09, 2026130+59
Oct 08, 2026710
Oct 07, 2026710
Oct 06, 202671+1
Oct 05, 202670+2
Oct 02, 202668No prior observation