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Contract OI history

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Jan 21, 2028 EXPIRATION

AMAT $370.00 Put

AMAT280121P00370000

Latest saved OI328Oct 23, 2026
Last change+15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $370.00 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. 3281640 2026-10-09: 282 OI2026-10-13: 282 OI2026-10-14: 282 OI2026-10-15: 307 OI2026-10-16: 309 OI2026-10-21: 313 OI2026-10-23: 328 OI Oct 09, 2026Oct 23, 2026

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

AMAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing328+15
Oct 21, 2026313+4
Oct 16, 2026309+2
Oct 15, 2026307+25
Oct 14, 20262820
Oct 13, 20262820
Oct 09, 2026282No prior observation