OITracker Cboe delayed data

Contract OI history

Back to STX

Dec 18, 2026 EXPIRATION

STX $900.00 Put

STX261218P00900000

Latest saved OI278Oct 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 $900.00 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. 2781390 2026-10-09: 256 OI2026-10-13: 256 OI2026-10-14: 256 OI2026-10-15: 276 OI2026-10-16: 276 OI2026-10-21: 278 OI2026-10-23: 278 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, 2026Viewing2780
Oct 21, 2026278+2
Oct 16, 20262760
Oct 15, 2026276+20
Oct 14, 20262560
Oct 13, 20262560
Oct 09, 2026256No prior observation