Atara Biotherapeutics, Inc. (ATRA) 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.

Atara Biotherapeutics, Inc. (ATRA) operates in the Healthcare sector, specifically the Biotechnology industry, with a market capitalization near $77.0M, listed on NASDAQ, employing roughly 14 people, carrying a beta of 0.09 to the broader market. Founded in 2012 and headquartered in South San Francisco, California, Atara Biotherapeutics, Inc. Led by Anhco Nguyen, public since 2014-10-16.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for ATRA as of 2026-07-17; 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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