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Contract OI history

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Apr 16, 2027 EXPIRATION

AOUT $17.50 Put

AOUT270416P00017500

Latest saved OI21Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AOUT $17.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 21100 2026-10-09: 17 OI2026-10-13: 17 OI2026-10-14: 17 OI2026-10-15: 17 OI2026-10-16: 17 OI2026-10-21: 21 OI2026-10-23: 21 OI Oct 09, 2026Oct 23, 2026

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

AOUT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing210
Oct 21, 202621+4
Oct 16, 2026170
Oct 15, 2026170
Oct 14, 2026170
Oct 13, 2026170
Oct 09, 202617No prior observation