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Contract OI history

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Nov 20, 2026 EXPIRATION

ATI $195.00 Call

ATI261120C00195000

Latest saved OI391Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATI $195.00 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. 3911950 2026-10-02: 191 OI2026-10-05: 208 OI2026-10-06: 208 OI2026-10-07: 210 OI2026-10-08: 213 OI2026-10-09: 216 OI2026-10-13: 229 OI2026-10-14: 228 OI2026-10-15: 228 OI2026-10-16: 227 OI2026-10-21: 383 OI2026-10-23: 391 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, 2026Viewing391+8
Oct 21, 2026383+156
Oct 16, 2026227-1
Oct 15, 20262280
Oct 14, 2026228-1
Oct 13, 2026229+13
Oct 09, 2026216+3
Oct 08, 2026213+3
Oct 07, 2026210+2
Oct 06, 20262080
Oct 05, 2026208+17
Oct 02, 2026191No prior observation