Gold Prices: NBGDX invests in gold mining companies, thus gold price fluctuations directly impact its value.

Equity Market Performance: General market sentiment and performance influence investor appetite for risk assets like gold mining stocks.

Interest Rates: Higher interest rates can make bonds more attractive, potentially reducing investment in gold and gold mining stocks.

Inflation: Gold is often seen as an inflation hedge; rising inflation may increase demand for gold and NBGDX.

Company Performance: The operational efficiency and profitability of the companies held within NBGDX's portfolio impact its overall performance.

Currency Fluctuations: Exchange rates, particularly between the US dollar and currencies of countries where gold mining companies operate, affect returns.

Geopolitical Risk: Global instability or political uncertainty can increase demand for safe-haven assets like gold, benefiting NBGDX.

Economic Growth: Strong economic growth may reduce demand for gold as investors seek higher-yielding assets.

Supply and Demand for Gold: The fundamental balance between gold production and demand from various sectors influences its price.