OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

STX $540.00 Put

STX270115P00540000

Latest saved OI124Oct 23, 2026
Last change-14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $540.00 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. 144720 2026-10-09: 92 OI2026-10-13: 112 OI2026-10-14: 112 OI2026-10-15: 113 OI2026-10-16: 144 OI2026-10-21: 138 OI2026-10-23: 124 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, 2026Viewing124-14
Oct 21, 2026138-6
Oct 16, 2026144+31
Oct 15, 2026113+1
Oct 14, 20261120
Oct 13, 2026112+20
Oct 09, 202692No prior observation