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Contract OI history

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Oct 23, 2026 EXPIRATION

USAR $9.50 Put

USAR261023P00009500

Latest saved OI1,830Oct 23, 2026
Last change+38vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $9.50 put open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 1,8309150 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 1,063 OI2026-10-16: 1,236 OI2026-10-21: 1,792 OI2026-10-23: 1,830 OI Oct 13, 2026Oct 23, 2026

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

USAR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,830+38
Oct 21, 20261,792+556
Oct 16, 20261,236+173
Oct 15, 20261,063+1,063
Oct 14, 202600
Oct 13, 20260No prior observation