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Contract OI history

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Dec 15, 2028 EXPIRATION

SMCI $28.00 Put

SMCI281215P00028000

Latest saved OI488Oct 23, 2026
Last change+10vs 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. 4882440 2026-10-09: 457 OI2026-10-13: 457 OI2026-10-14: 457 OI2026-10-15: 457 OI2026-10-16: 467 OI2026-10-21: 478 OI2026-10-23: 488 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, 2026Viewing488+10
Oct 21, 2026478+11
Oct 16, 2026467+10
Oct 15, 20264570
Oct 14, 20264570
Oct 13, 20264570
Oct 09, 2026457No prior observation