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Contract OI history

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Dec 18, 2026 EXPIRATION

ABOS $2.50 Put

ABOS261218P00002500

Latest saved OI77Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ABOS $2.50 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. 77380 2026-10-08: 16 OI2026-10-09: 48 OI2026-10-13: 77 OI2026-10-14: 77 OI2026-10-16: 77 OI2026-10-20: 77 OI Oct 08, 2026Oct 20, 2026

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

ABOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing770
Oct 16, 2026770
Oct 14, 2026770
Oct 13, 202677+29
Oct 09, 202648+32
Oct 08, 202616No prior observation