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Contract OI history

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Dec 18, 2026 EXPIRATION

ACRS $4.00 Put

ACRS261218P00004000

Latest saved OI1,921Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ACRS $4.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 1,9219600 2026-10-08: 1,921 OI2026-10-09: 1,921 OI2026-10-13: 1,921 OI2026-10-14: 1,921 OI2026-10-16: 1,921 OI2026-10-20: 1,921 OI Oct 08, 2026Oct 20, 2026

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

ACRS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing1,9210
Oct 16, 20261,9210
Oct 14, 20261,9210
Oct 13, 20261,9210
Oct 09, 20261,9210
Oct 08, 20261,921No prior observation