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Contract OI history

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Oct 23, 2026 EXPIRATION

SMCI $43.50 Put

SMCI261023P00043500

Latest saved OI1Oct 23, 2026
Last change-154vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $43.50 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. 2611300 2026-10-09: 254 OI2026-10-13: 255 OI2026-10-14: 255 OI2026-10-15: 261 OI2026-10-16: 261 OI2026-10-21: 155 OI2026-10-23: 1 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, 2026Viewing1-154
Oct 21, 2026155-106
Oct 16, 20262610
Oct 15, 2026261+6
Oct 14, 20262550
Oct 13, 2026255+1
Oct 09, 2026254No prior observation