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Contract OI history

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Dec 18, 2026 EXPIRATION

AAOI $40.00 Put

AAOI261218P00040000

Latest saved OI814Oct 23, 2026
Last change+262vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AAOI $40.00 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. 8144070 2026-10-09: 197 OI2026-10-13: 199 OI2026-10-14: 199 OI2026-10-15: 221 OI2026-10-16: 221 OI2026-10-21: 552 OI2026-10-23: 814 OI Oct 09, 2026Oct 23, 2026

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

AAOI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing814+262
Oct 21, 2026552+331
Oct 16, 20262210
Oct 15, 2026221+22
Oct 14, 20261990
Oct 13, 2026199+2
Oct 09, 2026197No prior observation