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Contract OI history

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Nov 20, 2026 EXPIRATION

ATEN $35.00 Call

ATEN261120C00035000

Latest saved OI210Oct 21, 2026
Last change+9vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATEN $35.00 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. 2101050 2026-10-02: 106 OI2026-10-05: 106 OI2026-10-06: 107 OI2026-10-07: 107 OI2026-10-08: 107 OI2026-10-09: 107 OI2026-10-13: 110 OI2026-10-14: 110 OI2026-10-16: 201 OI2026-10-21: 210 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, 2026Viewing210+9
Oct 16, 2026201+91
Oct 14, 20261100
Oct 13, 2026110+3
Oct 09, 20261070
Oct 08, 20261070
Oct 07, 20261070
Oct 06, 2026107+1
Oct 05, 20261060
Oct 02, 2026106No prior observation