OITracker Cboe delayed data

Contract OI history

Back to SMCI

Oct 23, 2026 EXPIRATION

SMCI $40.50 Put

SMCI261023P00040500

Latest saved OI0Oct 23, 2026
Last change-407vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $40.50 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. 4072030 2026-10-09: 152 OI2026-10-13: 319 OI2026-10-14: 319 OI2026-10-15: 318 OI2026-10-16: 309 OI2026-10-21: 407 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, 2026Viewing0-407
Oct 21, 2026407+98
Oct 16, 2026309-9
Oct 15, 2026318-1
Oct 14, 20263190
Oct 13, 2026319+167
Oct 09, 2026152No prior observation