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Contract OI history

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Feb 19, 2027 EXPIRATION

ATEN $30.00 Call

ATEN270219C00030000

Latest saved OI50Oct 21, 2026
Last change-1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATEN $30.00 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. 57280 2026-10-02: 57 OI2026-10-05: 55 OI2026-10-06: 55 OI2026-10-07: 55 OI2026-10-08: 55 OI2026-10-09: 55 OI2026-10-13: 51 OI2026-10-14: 51 OI2026-10-16: 51 OI2026-10-21: 50 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, 2026Viewing50-1
Oct 16, 2026510
Oct 14, 2026510
Oct 13, 202651-4
Oct 09, 2026550
Oct 08, 2026550
Oct 07, 2026550
Oct 06, 2026550
Oct 05, 202655-2
Oct 02, 202657No prior observation