OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

RTX $200.00 Put

RTX261218P00200000

Latest saved OI939Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RTX $200.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9414700 2026-10-02: 934 OI2026-10-05: 932 OI2026-10-06: 932 OI2026-10-07: 932 OI2026-10-08: 932 OI2026-10-09: 932 OI2026-10-13: 933 OI2026-10-14: 933 OI2026-10-15: 933 OI2026-10-16: 933 OI2026-10-21: 941 OI2026-10-23: 939 OI Oct 02, 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, 2026Viewing939-2
Oct 21, 2026941+8
Oct 16, 20269330
Oct 15, 20269330
Oct 14, 20269330
Oct 13, 2026933+1
Oct 09, 20269320
Oct 08, 20269320
Oct 07, 20269320
Oct 06, 20269320
Oct 05, 2026932-2
Oct 02, 2026934No prior observation