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Contract OI history

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Nov 20, 2026 EXPIRATION

ATEN $50.00 Call

ATEN261120C00050000

Latest saved OI310Oct 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 $50.00 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. 3131560 2026-10-02: 313 OI2026-10-05: 313 OI2026-10-06: 313 OI2026-10-07: 313 OI2026-10-08: 310 OI2026-10-09: 310 OI2026-10-13: 310 OI2026-10-14: 310 OI2026-10-16: 310 OI2026-10-21: 310 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, 2026Viewing3100
Oct 16, 20263100
Oct 14, 20263100
Oct 13, 20263100
Oct 09, 20263100
Oct 08, 2026310-3
Oct 07, 20263130
Oct 06, 20263130
Oct 05, 20263130
Oct 02, 2026313No prior observation