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Contract OI history

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Feb 19, 2027 EXPIRATION

ACA $150.00 Call

ACA270219C00150000

Latest saved OI104Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACA $150.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 104520 2026-10-02: 79 OI2026-10-05: 79 OI2026-10-06: 79 OI2026-10-07: 79 OI2026-10-08: 94 OI2026-10-09: 94 OI2026-10-13: 94 OI2026-10-14: 95 OI2026-10-16: 95 OI2026-10-20: 102 OI2026-10-23: 104 OI Oct 02, 2026Oct 23, 2026

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

ACA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing104+2
Oct 20, 2026102+7
Oct 16, 2026950
Oct 14, 202695+1
Oct 13, 2026940
Oct 09, 2026940
Oct 08, 202694+15
Oct 07, 2026790
Oct 06, 2026790
Oct 05, 2026790
Oct 02, 202679No prior observation