OITracker Cboe delayed data

Contract OI history

Back to SMCI

Oct 23, 2026 EXPIRATION

SMCI $28.00 Put

SMCI261023P00028000

Latest saved OI2,712Oct 23, 2026
Last change+205vs 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. 2,7121,3560 2026-10-09: 105 OI2026-10-13: 113 OI2026-10-14: 113 OI2026-10-15: 112 OI2026-10-16: 1,306 OI2026-10-21: 2,507 OI2026-10-23: 2,712 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, 2026Viewing2,712+205
Oct 21, 20262,507+1,201
Oct 16, 20261,306+1,194
Oct 15, 2026112-1
Oct 14, 20261130
Oct 13, 2026113+8
Oct 09, 2026105No prior observation