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Contract OI history

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Dec 18, 2026 EXPIRATION

AVAH $17.50 Call

AVAH261218C00017500

Latest saved OI72Oct 20, 2026
Last change+2vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AVAH $17.50 call open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 72360 2026-10-08: 69 OI2026-10-09: 69 OI2026-10-13: 69 OI2026-10-14: 69 OI2026-10-16: 70 OI2026-10-20: 72 OI Oct 08, 2026Oct 20, 2026

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

AVAH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing72+2
Oct 16, 202670+1
Oct 14, 2026690
Oct 13, 2026690
Oct 09, 2026690
Oct 08, 202669No prior observation