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Contract OI history

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Nov 20, 2026 EXPIRATION

ATEN $30.00 Put

ATEN261120P00030000

Latest saved OI39Oct 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 $30.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 39190 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 10 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 12 OI2026-10-13: 32 OI2026-10-14: 33 OI2026-10-16: 39 OI2026-10-21: 39 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, 2026Viewing390
Oct 16, 202639+6
Oct 14, 202633+1
Oct 13, 202632+20
Oct 09, 2026120
Oct 08, 2026120
Oct 07, 202612+2
Oct 06, 2026100
Oct 05, 2026100
Oct 02, 202610No prior observation