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Contract OI history

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Nov 27, 2026 EXPIRATION

USAR $16.50 Put

USAR261127P00016500

Latest saved OI253Oct 23, 2026
Last change+11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $16.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2531260 2026-10-09: 0 OI2026-10-13: 36 OI2026-10-14: 36 OI2026-10-15: 146 OI2026-10-16: 177 OI2026-10-21: 242 OI2026-10-23: 253 OI Oct 09, 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, 2026Viewing253+11
Oct 21, 2026242+65
Oct 16, 2026177+31
Oct 15, 2026146+110
Oct 14, 2026360
Oct 13, 202636+36
Oct 09, 20260No prior observation