17 Best ETFs for Beginners Looking to Start Investing in 2026

4. Liquidity and Trading Considerations for Beginners

Liquidity refers to how easily you can buy or sell an ETF without significantly impacting its market price, and this characteristic is particularly important for beginning investors who may need to access their funds or rebalance their portfolios periodically. High liquidity is typically indicated by narrow bid-ask spreads, high daily trading volumes, and substantial assets under management, all of which contribute to efficient price discovery and minimal transaction costs. The most liquid ETFs, such as those tracking major market indices like the S&P 500 or total stock market, often trade millions of shares daily and maintain bid-ask spreads of just a few cents, ensuring that investors can execute trades at fair prices regardless of market conditions. For beginners, focusing on highly liquid ETFs provides several advantages: easier entry and exit from positions, more accurate real-time pricing, and reduced trading costs through tighter spreads. Additionally, liquid ETFs are less likely to experience significant premiums or discounts to their net asset value, ensuring that you're paying a fair price relative to the underlying securities. While ETF liquidity is also supported by the underlying liquidity of the securities they hold, beginners should generally stick to well-established funds with at least $100 million in assets under management and average daily trading volumes exceeding 100,000 shares. Understanding liquidity helps new investors avoid potential pitfalls associated with thinly traded funds and ensures that their investment decisions aren't constrained by the inability to efficiently execute trades when needed.