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Contract OI history

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Jan 15, 2027 EXPIRATION

ALGN $130.00 Put

ALGN270115P00130000

Latest saved OI476Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALGN $130.00 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. 4832410 2026-10-09: 483 OI2026-10-13: 481 OI2026-10-14: 481 OI2026-10-15: 482 OI2026-10-16: 482 OI2026-10-21: 482 OI2026-10-23: 476 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, 2026Viewing476-6
Oct 21, 20264820
Oct 16, 20264820
Oct 15, 2026482+1
Oct 14, 20264810
Oct 13, 2026481-2
Oct 09, 2026483No prior observation