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Contract OI history

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Nov 20, 2026 EXPIRATION

ATI $200.00 Call

ATI261120C00200000

Latest saved OI2,953Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATI $200.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,9531,4760 2026-10-02: 325 OI2026-10-05: 332 OI2026-10-06: 332 OI2026-10-07: 335 OI2026-10-08: 2,877 OI2026-10-09: 2,876 OI2026-10-13: 2,918 OI2026-10-14: 2,919 OI2026-10-15: 2,874 OI2026-10-16: 2,874 OI2026-10-21: 2,940 OI2026-10-23: 2,953 OI Oct 02, 2026Oct 23, 2026

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

ATI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,953+13
Oct 21, 20262,940+66
Oct 16, 20262,8740
Oct 15, 20262,874-45
Oct 14, 20262,919+1
Oct 13, 20262,918+42
Oct 09, 20262,876-1
Oct 08, 20262,877+2,542
Oct 07, 2026335+3
Oct 06, 20263320
Oct 05, 2026332+7
Oct 02, 2026325No prior observation