OITracker Cboe delayed data

Contract OI history

Back to STX

Nov 20, 2026 EXPIRATION

STX $490.00 Put

STX261120P00490000

Latest saved OI234Oct 23, 2026
Last change+39vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $490.00 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. 2341170 2026-10-09: 195 OI2026-10-13: 195 OI2026-10-14: 195 OI2026-10-15: 195 OI2026-10-16: 195 OI2026-10-21: 195 OI2026-10-23: 234 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, 2026Viewing234+39
Oct 21, 20261950
Oct 16, 20261950
Oct 15, 20261950
Oct 14, 20261950
Oct 13, 20261950
Oct 09, 2026195No prior observation