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Contract OI history

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Nov 20, 2026 EXPIRATION

RCUS $17.50 Put

RCUS261120P00017500

Latest saved OI138Oct 20, 2026
Last change+116vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RCUS $17.50 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. 138690 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 1 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-16: 22 OI2026-10-20: 138 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, 2026Viewing138+116
Oct 16, 202622+21
Oct 14, 202610
Oct 13, 202610
Oct 09, 20261+1
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation