OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

RTX $187.50 Call

RTX261023C00187500

Latest saved OI549Oct 23, 2026
Last change-75vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RTX $187.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6243120 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 1 OI2026-10-07: 78 OI2026-10-08: 78 OI2026-10-09: 213 OI2026-10-13: 452 OI2026-10-14: 452 OI2026-10-15: 455 OI2026-10-16: 494 OI2026-10-21: 624 OI2026-10-23: 549 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, 2026Viewing549-75
Oct 21, 2026624+130
Oct 16, 2026494+39
Oct 15, 2026455+3
Oct 14, 20264520
Oct 13, 2026452+239
Oct 09, 2026213+135
Oct 08, 2026780
Oct 07, 202678+77
Oct 06, 20261+1
Oct 05, 202600
Oct 02, 20260No prior observation