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Contract OI history

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Dec 18, 2026 EXPIRATION

RCUS $20.00 Put

RCUS261218P00020000

Latest saved OI329Oct 20, 2026
Last change+285vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RCUS $20.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 3291640 2026-10-02: 44 OI2026-10-05: 44 OI2026-10-06: 44 OI2026-10-07: 44 OI2026-10-08: 44 OI2026-10-09: 44 OI2026-10-13: 44 OI2026-10-14: 44 OI2026-10-16: 44 OI2026-10-20: 329 OI Oct 02, 2026Oct 20, 2026

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

RCUS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing329+285
Oct 16, 2026440
Oct 14, 2026440
Oct 13, 2026440
Oct 09, 2026440
Oct 08, 2026440
Oct 07, 2026440
Oct 06, 2026440
Oct 05, 2026440
Oct 02, 202644No prior observation