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Contract OI history

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Nov 20, 2026 EXPIRATION

RTO $22.50 Call

RTO261120C00022500

Latest saved OI5,146Oct 23, 2026
Last change+185vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RTO $22.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5,1462,5730 2026-10-02: 19 OI2026-10-05: 19 OI2026-10-06: 19 OI2026-10-07: 19 OI2026-10-08: 21 OI2026-10-09: 21 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-16: 23 OI2026-10-20: 4,961 OI2026-10-23: 5,146 OI Oct 02, 2026Oct 23, 2026

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

RTO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5,146+185
Oct 20, 20264,961+4,938
Oct 16, 2026230
Oct 14, 2026230
Oct 13, 202623+2
Oct 09, 2026210
Oct 08, 202621+2
Oct 07, 2026190
Oct 06, 2026190
Oct 05, 2026190
Oct 02, 202619No prior observation