OITracker Cboe delayed data

Contract OI history

Back to SMCI

Oct 30, 2026 EXPIRATION

SMCI $28.00 Put

SMCI261030P00028000

Latest saved OI2,047Oct 23, 2026
Last change+87vs 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. 2,0471,0230 2026-10-09: 244 OI2026-10-13: 244 OI2026-10-14: 244 OI2026-10-15: 247 OI2026-10-16: 249 OI2026-10-21: 1,960 OI2026-10-23: 2,047 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, 2026Viewing2,047+87
Oct 21, 20261,960+1,711
Oct 16, 2026249+2
Oct 15, 2026247+3
Oct 14, 20262440
Oct 13, 20262440
Oct 09, 2026244No prior observation