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Contract OI history

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Jan 19, 2029 EXPIRATION

SMCI $28.00 Put

SMCI290119P00028000

Latest saved OI11Oct 23, 2026
Last change0vs 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. 1150 2026-10-09: 7 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-15: 9 OI2026-10-16: 9 OI2026-10-21: 11 OI2026-10-23: 11 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, 2026Viewing110
Oct 21, 202611+2
Oct 16, 202690
Oct 15, 20269+2
Oct 14, 202670
Oct 13, 202670
Oct 09, 20267No prior observation