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Contract OI history

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Dec 18, 2026 EXPIRATION

ALLY $40.00 Put

ALLY261218P00040000

Latest saved OI3,871Oct 23, 2026
Last change-23vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALLY $40.00 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. 3,9101,9550 2026-10-02: 3,910 OI2026-10-05: 3,910 OI2026-10-06: 3,910 OI2026-10-07: 3,910 OI2026-10-08: 3,908 OI2026-10-09: 3,908 OI2026-10-13: 3,908 OI2026-10-14: 3,908 OI2026-10-15: 3,908 OI2026-10-16: 3,894 OI2026-10-21: 3,894 OI2026-10-23: 3,871 OI Oct 02, 2026Oct 23, 2026

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

ALLY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,871-23
Oct 21, 20263,8940
Oct 16, 20263,894-14
Oct 15, 20263,9080
Oct 14, 20263,9080
Oct 13, 20263,9080
Oct 09, 20263,9080
Oct 08, 20263,908-2
Oct 07, 20263,9100
Oct 06, 20263,9100
Oct 05, 20263,9100
Oct 02, 20263,910No prior observation