Vanguard 0-3 Month Treasury Bill ETF (VBIL) 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.

Vanguard 0-3 Month Treasury Bill ETF (VBIL) operates in the Financial Services sector, specifically the Asset Management - Bonds industry, with a market capitalization near $2.28B, listed on NASDAQ, carrying a beta of -0.01 to the broader market. The Vanguard 0-3 Month Treasury Bill ETF (VBIL) aims to replicate the performance of a market-value-weighted Treasury index characterized by a very short dollar-weighted average maturity. public since 2025-02-12.

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