OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

RTX $187.50 Put

RTX261030P00187500

Latest saved OI304Oct 23, 2026
Last change+217vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RTX $187.50 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. 3041520 2026-10-09: 0 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 7 OI2026-10-16: 7 OI2026-10-21: 87 OI2026-10-23: 304 OI Oct 09, 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, 2026Viewing304+217
Oct 21, 202687+80
Oct 16, 202670
Oct 15, 20267+5
Oct 14, 202620
Oct 13, 20262+2
Oct 09, 20260No prior observation