OITracker Cboe delayed data

Contract OI history

Back to ATI

Nov 20, 2026 EXPIRATION

ATI $210.00 Call

ATI261120C00210000

Latest saved OI808Oct 23, 2026
Last change-9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATI $210.00 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. 8174080 2026-10-02: 108 OI2026-10-05: 346 OI2026-10-06: 346 OI2026-10-07: 351 OI2026-10-08: 353 OI2026-10-09: 353 OI2026-10-13: 352 OI2026-10-14: 352 OI2026-10-15: 378 OI2026-10-16: 380 OI2026-10-21: 817 OI2026-10-23: 808 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, 2026Viewing808-9
Oct 21, 2026817+437
Oct 16, 2026380+2
Oct 15, 2026378+26
Oct 14, 20263520
Oct 13, 2026352-1
Oct 09, 20263530
Oct 08, 2026353+2
Oct 07, 2026351+5
Oct 06, 20263460
Oct 05, 2026346+238
Oct 02, 2026108No prior observation