OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

RTX $172.50 Put

RTX261120P00172500

Latest saved OI4,519Oct 23, 2026
Last change+11vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
RTX $172.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 4,5192,2590 2026-10-21: 4,508 OI2026-10-23: 4,519 OI Oct 21, 2026Oct 23, 2026

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

RTX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,519+11
Oct 21, 20264,508No prior observation