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Contract OI history

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Mar 19, 2027 EXPIRATION

ABM $55.00 Call

ABM270319C00055000

Latest saved OI287Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ABM $55.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2871430 2026-10-02: 236 OI2026-10-05: 236 OI2026-10-06: 236 OI2026-10-07: 244 OI2026-10-08: 244 OI2026-10-09: 244 OI2026-10-13: 244 OI2026-10-14: 287 OI2026-10-16: 287 OI2026-10-20: 287 OI Oct 02, 2026Oct 20, 2026

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

ABM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing2870
Oct 16, 20262870
Oct 14, 2026287+43
Oct 13, 20262440
Oct 09, 20262440
Oct 08, 20262440
Oct 07, 2026244+8
Oct 06, 20262360
Oct 05, 20262360
Oct 02, 2026236No prior observation