OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

STX $670.00 Put

STX280121P00670000

Latest saved OI133Oct 23, 2026
Last change-50vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $670.00 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. 183910 2026-10-09: 179 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-15: 182 OI2026-10-16: 183 OI2026-10-21: 183 OI2026-10-23: 133 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

STX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing133-50
Oct 21, 20261830
Oct 16, 2026183+1
Oct 15, 20261820
Oct 14, 20261820
Oct 13, 2026182+3
Oct 09, 2026179No prior observation