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Contract OI history

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Jan 15, 2027 EXPIRATION

AMTM $22.50 Put

AMTM270115P00022500

Latest saved OI399Oct 20, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMTM $22.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 3991990 2026-10-02: 365 OI2026-10-05: 355 OI2026-10-06: 355 OI2026-10-07: 355 OI2026-10-08: 366 OI2026-10-09: 366 OI2026-10-13: 398 OI2026-10-14: 398 OI2026-10-16: 398 OI2026-10-20: 399 OI Oct 02, 2026Oct 20, 2026

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

AMTM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing399+1
Oct 16, 20263980
Oct 14, 20263980
Oct 13, 2026398+32
Oct 09, 20263660
Oct 08, 2026366+11
Oct 07, 20263550
Oct 06, 20263550
Oct 05, 2026355-10
Oct 02, 2026365No prior observation