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Contract OI history

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Jan 21, 2028 EXPIRATION

SMCI $28.00 Put

SMCI280121P00028000

Latest saved OI1,485Oct 23, 2026
Last change+28vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $28.00 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. 1,4857420 2026-10-09: 1,468 OI2026-10-13: 1,468 OI2026-10-14: 1,468 OI2026-10-15: 1,443 OI2026-10-16: 1,443 OI2026-10-21: 1,457 OI2026-10-23: 1,485 OI Oct 09, 2026Oct 23, 2026

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

SMCI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,485+28
Oct 21, 20261,457+14
Oct 16, 20261,4430
Oct 15, 20261,443-25
Oct 14, 20261,4680
Oct 13, 20261,4680
Oct 09, 20261,468No prior observation