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Contract OI history

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Nov 20, 2026 EXPIRATION

AVTX $17.50 Put

AVTX261120P00017500

Latest saved OI280Oct 23, 2026
Last change-45vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AVTX $17.50 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. 3251620 2026-10-08: 325 OI2026-10-09: 325 OI2026-10-13: 325 OI2026-10-14: 325 OI2026-10-16: 325 OI2026-10-20: 325 OI2026-10-23: 280 OI Oct 08, 2026Oct 23, 2026

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

AVTX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing280-45
Oct 20, 20263250
Oct 16, 20263250
Oct 14, 20263250
Oct 13, 20263250
Oct 09, 20263250
Oct 08, 2026325No prior observation