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Contract OI history

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Jan 21, 2028 EXPIRATION

ATOM $2.50 Put

ATOM280121P00002500

Latest saved OI15Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ATOM $2.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1570 2026-10-08: 3 OI2026-10-09: 3 OI2026-10-13: 3 OI2026-10-14: 3 OI2026-10-16: 3 OI2026-10-20: 11 OI2026-10-23: 15 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ATOM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing15+4
Oct 20, 202611+8
Oct 16, 202630
Oct 14, 202630
Oct 13, 202630
Oct 09, 202630
Oct 08, 20263No prior observation