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Contract OI history

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Jan 15, 2027 EXPIRATION

AUPH $20.00 Put

AUPH270115P00020000

Latest saved OI290Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AUPH $20.00 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. 2901450 2026-10-08: 290 OI2026-10-09: 290 OI2026-10-13: 290 OI2026-10-14: 290 OI2026-10-16: 290 OI2026-10-20: 290 OI Oct 08, 2026Oct 20, 2026

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

AUPH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing2900
Oct 16, 20262900
Oct 14, 20262900
Oct 13, 20262900
Oct 09, 20262900
Oct 08, 2026290No prior observation