T. Rowe Price Small-Mid Cap ETF (TMSL) 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.

T. Rowe Price Small-Mid Cap ETF (TMSL) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $1.33B, listed on AMEX, employing roughly 7 people, carrying a beta of 1.09 to the broader market. TMSLs adviser builds a broad and diverse portfolio of small- and mid-cap stocks with either growth or value characteristics, subject to overall risk controls. Led by Matthew Davis, public since 2023-06-15.

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