Nuveen Select Tax-Free Income Portfolio (NXP) 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.

Nuveen Select Tax-Free Income Portfolio (NXP) operates in the Financial Services sector, specifically the Asset Management - Income industry, with a market capitalization near $751.0M, listed on NYSE, carrying a beta of 0.34 to the broader market. Established on March 19, 1992, the Nuveen Select Tax-Free Income Portfolio functions as a closed-ended mutual fund dedicated to fixed income investments within the United States. Led by Thomas C. Spalding Jr., public since 1992-03-19.

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