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Contract OI history

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Jan 21, 2028 EXPIRATION

AMZN $320.00 Put

AMZN280121P00320000

Latest saved OI374Oct 23, 2026
Last change+53vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMZN $320.00 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. 3741870 2026-10-09: 321 OI2026-10-13: 321 OI2026-10-14: 321 OI2026-10-15: 321 OI2026-10-16: 321 OI2026-10-21: 321 OI2026-10-23: 374 OI Oct 09, 2026Oct 23, 2026

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

AMZN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing374+53
Oct 21, 20263210
Oct 16, 20263210
Oct 15, 20263210
Oct 14, 20263210
Oct 13, 20263210
Oct 09, 2026321No prior observation