Quantumsphere Acquisition Corp. Rights (QUMSR) Open Interest History

Open interest tracks the total number of outstanding options contracts. Rising OI alongside price moves can indicate growing commitment to the trend; declining OI suggests positions are being closed.

Quantumsphere Acquisition Corp. Rights (QUMSR) operates in the Financial Services sector, specifically the Shell Companies industry, with a market capitalization near $91.2M, listed on NASDAQ, employing roughly 1 people, carrying a beta of -0.20 to the broader market. Quantumsphere Acquisition Corp. Led by Ping Zhang, public since 2025-08-07.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for QUMSR as of 2026-10-16; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

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