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Contract OI history

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Apr 16, 2027 EXPIRATION

ATLX $2.50 Put

ATLX270416P00002500

Latest saved OI275Oct 23, 2026
Last change+50vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ATLX $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. 2751370 2026-10-08: 224 OI2026-10-09: 224 OI2026-10-13: 224 OI2026-10-14: 224 OI2026-10-16: 225 OI2026-10-20: 225 OI2026-10-23: 275 OI Oct 08, 2026Oct 23, 2026

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

ATLX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing275+50
Oct 20, 20262250
Oct 16, 2026225+1
Oct 14, 20262240
Oct 13, 20262240
Oct 09, 20262240
Oct 08, 2026224No prior observation