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Contract OI history

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Oct 30, 2026 EXPIRATION

ALGN $140.00 Put

ALGN261030P00140000

Latest saved OI134Oct 23, 2026
Last change+17vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALGN $140.00 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. 134670 2026-10-09: 80 OI2026-10-13: 85 OI2026-10-14: 85 OI2026-10-15: 93 OI2026-10-16: 94 OI2026-10-21: 117 OI2026-10-23: 134 OI Oct 09, 2026Oct 23, 2026

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

ALGN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing134+17
Oct 21, 2026117+23
Oct 16, 202694+1
Oct 15, 202693+8
Oct 14, 2026850
Oct 13, 202685+5
Oct 09, 202680No prior observation