OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

RTX $210.00 Put

RTX261218P00210000

Latest saved OI337Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RTX $210.00 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. 3601800 2026-10-02: 360 OI2026-10-05: 360 OI2026-10-06: 340 OI2026-10-07: 341 OI2026-10-08: 341 OI2026-10-09: 341 OI2026-10-13: 340 OI2026-10-14: 340 OI2026-10-15: 342 OI2026-10-16: 342 OI2026-10-21: 337 OI2026-10-23: 337 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, 2026Viewing3370
Oct 21, 2026337-5
Oct 16, 20263420
Oct 15, 2026342+2
Oct 14, 20263400
Oct 13, 2026340-1
Oct 09, 20263410
Oct 08, 20263410
Oct 07, 2026341+1
Oct 06, 2026340-20
Oct 05, 20263600
Oct 02, 2026360No prior observation