ENDRA Life Sciences Inc. (NDRA) 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.

ENDRA Life Sciences Inc. (NDRA) operates in the Healthcare sector, specifically the Medical - Diagnostics & Research industry, with a market capitalization near $4.2M, listed on NASDAQ, employing roughly 11 people, carrying a beta of -0.05 to the broader market. ENDRA Life Sciences Inc. Led by Alexander Y. Tokman, public since 2017-06-30.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for NDRA 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.

Learn how open interest is reported and how to read the data →