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Contract OI history

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Nov 20, 2026 EXPIRATION

ATEN $25.00 Call

ATEN261120C00025000

Latest saved OI168Oct 21, 2026
Last change+28vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATEN $25.00 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. 168840 2026-10-02: 132 OI2026-10-05: 132 OI2026-10-06: 135 OI2026-10-07: 136 OI2026-10-08: 136 OI2026-10-09: 138 OI2026-10-13: 142 OI2026-10-14: 150 OI2026-10-16: 140 OI2026-10-21: 168 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, 2026Viewing168+28
Oct 16, 2026140-10
Oct 14, 2026150+8
Oct 13, 2026142+4
Oct 09, 2026138+2
Oct 08, 20261360
Oct 07, 2026136+1
Oct 06, 2026135+3
Oct 05, 20261320
Oct 02, 2026132No prior observation