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Contract OI history

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Nov 20, 2026 EXPIRATION

ATI $220.00 Call

ATI261120C00220000

Latest saved OI5,510Oct 23, 2026
Last change-130vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATI $220.00 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. 5,6402,8200 2026-10-02: 99 OI2026-10-05: 105 OI2026-10-06: 105 OI2026-10-07: 108 OI2026-10-08: 5,534 OI2026-10-09: 5,534 OI2026-10-13: 5,553 OI2026-10-14: 5,555 OI2026-10-15: 5,557 OI2026-10-16: 5,558 OI2026-10-21: 5,640 OI2026-10-23: 5,510 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, 2026Viewing5,510-130
Oct 21, 20265,640+82
Oct 16, 20265,558+1
Oct 15, 20265,557+2
Oct 14, 20265,555+2
Oct 13, 20265,553+19
Oct 09, 20265,5340
Oct 08, 20265,534+5,426
Oct 07, 2026108+3
Oct 06, 20261050
Oct 05, 2026105+6
Oct 02, 202699No prior observation