Materials sector ETF XLB holds steady after 20% gain, but valuation and risks rise.

The State Street Materials Select Sector SPDR ETF (XLB) is rated Hold following a 20% price increase since November 2025. Its price-to-earnings ratio has climbed to 19x, reflecting less attractive valuation. The ETF's sector exposure is concentrated and sensitive to geopolitical and macroeconomic changes, especially amid recent tensions like the Iran conflict. Technical indicators are mixed, with recent price resistance and a declining 50-day moving average, though the longer-term trend remains positive. Seasonal trends support XLB through August, but diversification benefits have lessened as gold and silver now move closely with the S&P 500. Investors should weigh these factors when considering exposure to materials stocks.