OITracker Cboe delayed data

Contract OI history

Back to STX

Nov 20, 2026 EXPIRATION

STX $850.00 Put

STX261120P00850000

Latest saved OI207Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $850.00 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. 2321160 2026-10-09: 223 OI2026-10-13: 223 OI2026-10-14: 223 OI2026-10-15: 232 OI2026-10-16: 208 OI2026-10-21: 207 OI2026-10-23: 207 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, 2026Viewing2070
Oct 21, 2026207-1
Oct 16, 2026208-24
Oct 15, 2026232+9
Oct 14, 20262230
Oct 13, 20262230
Oct 09, 2026223No prior observation