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Contract OI history

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Jan 15, 2027 EXPIRATION

ABOS $2.50 Put

ABOS270115P00002500

Latest saved OI522Oct 20, 2026
Last change+12vs 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. 5222610 2026-10-08: 502 OI2026-10-09: 502 OI2026-10-13: 508 OI2026-10-14: 509 OI2026-10-16: 510 OI2026-10-20: 522 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, 2026Viewing522+12
Oct 16, 2026510+1
Oct 14, 2026509+1
Oct 13, 2026508+6
Oct 09, 20265020
Oct 08, 2026502No prior observation