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Contract OI history

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Oct 30, 2026 EXPIRATION

USAR $13.50 Put

USAR261030P00013500

Latest saved OI74Oct 23, 2026
Last change-264vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $13.50 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. 3551770 2026-10-09: 355 OI2026-10-13: 353 OI2026-10-14: 353 OI2026-10-15: 348 OI2026-10-16: 345 OI2026-10-21: 338 OI2026-10-23: 74 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, 2026Viewing74-264
Oct 21, 2026338-7
Oct 16, 2026345-3
Oct 15, 2026348-5
Oct 14, 20263530
Oct 13, 2026353-2
Oct 09, 2026355No prior observation