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Contract OI history

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Nov 20, 2026 EXPIRATION

ATEN $40.00 Call

ATEN261120C00040000

Latest saved OI765Oct 21, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATEN $40.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 7653820 2026-10-02: 765 OI2026-10-05: 765 OI2026-10-06: 765 OI2026-10-07: 765 OI2026-10-08: 765 OI2026-10-09: 765 OI2026-10-13: 765 OI2026-10-14: 765 OI2026-10-16: 765 OI2026-10-21: 765 OI Oct 02, 2026Oct 21, 2026

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

ATEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing7650
Oct 16, 20267650
Oct 14, 20267650
Oct 13, 20267650
Oct 09, 20267650
Oct 08, 20267650
Oct 07, 20267650
Oct 06, 20267650
Oct 05, 20267650
Oct 02, 2026765No prior observation