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Contract OI history

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Oct 23, 2026 EXPIRATION

SMCI $42.50 Put

SMCI261023P00042500

Latest saved OI0Oct 23, 2026
Last change-258vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $42.50 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. 7843920 2026-10-09: 763 OI2026-10-13: 775 OI2026-10-14: 775 OI2026-10-15: 784 OI2026-10-16: 776 OI2026-10-21: 258 OI2026-10-23: 0 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, 2026Viewing0-258
Oct 21, 2026258-518
Oct 16, 2026776-8
Oct 15, 2026784+9
Oct 14, 20267750
Oct 13, 2026775+12
Oct 09, 2026763No prior observation