Published on: 2023-09-26
Updated on: 2026-05-19
Regular funds and ETFs both allow investors to buy a diversified basket of assets, but they work in very different ways. The gap matters more in 2026 because ETF adoption has accelerated, fees have compressed, and investors now use funds not only for long-term portfolios but also for intraday trading, income strategies, sector exposure, and tax planning.
The old comparison was simple: regular funds were actively managed, while ETFs were cheaper and usually passive. That is still partly true, but no longer complete. Global ETF assets reached a record $19.85 trillion at the end of 2025, helped by record annual inflows of $2.37 trillion. US ETFs alone held $13.4 trillion across 4,495 funds, showing that ETFs have moved from a niche product to a core investment tool.
Regular funds and ETFs both pool investor money, but regular funds are usually bought or redeemed at end-of-day net asset value, while ETFs trade on exchanges during market hours.
Fees remain a major difference. Equity mutual fund investors paid an asset-weighted average expense ratio of 0.40% in 2025, while index equity ETF investors paid an average expense ratio of 0.14%.
ETFs are not always passive. Actively managed ETFs accounted for 11.1% of US ETF assets by the end of 2025, challenging the notion that ETFs only track indexes.
ETFs can be more tax-efficient in taxable accounts because many use in-kind transactions that reduce capital gains distributions.
Regular funds may still suit investors who prefer automatic contributions, professional active management, or a product that does not encourage intraday trading.
Regular funds, often called mutual funds, collect money from many investors and invest it in assets such as stocks, bonds, money market instruments, or mixed portfolios. Each investor owns shares in the fund and participates in gains or losses based on the fund’s net asset value, or NAV.
ETFs, or exchange-traded funds, also pool investor money. The main difference is that ETF shares trade on an exchange, similar to stocks. Investors can buy or sell ETF shares during market hours at market prices, which may be slightly above or below the fund’s NAV. Regular funds are usually priced once per business day after markets close.
This difference changes investor behaviour. A regular fund is designed around patience and portfolio discipline. An ETF offers greater flexibility but also exposes investors to intraday price movements, bid-ask spreads, and trading mistakes if used too actively.
Fees remain one of the most important differences between regular funds and ETFs, as they reduce returns every year, whether the fund performs well or poorly. Regular funds may include management fees, custody costs, operating expenses, sales loads, redemption fees, account fees, and 12b-1 distribution fees. These fees vary by fund and share class.
The cost gap has narrowed, but it has not disappeared. In 2025, equity mutual fund investors paid an asset-weighted average expense ratio of 0.40%, down sharply from 0.99% in 2000. Index equity ETF investors paid much less, with an asset-weighted average of 0.14%. Some large ETFs are even cheaper. The iShares Core S&P 500 ETF, for example, lists an expense ratio of 0.03%.
Still, investors should not assume every ETF is cheap. A plain S&P 500 ETF may charge only a few basis points, while thematic, leveraged, commodity, income, or actively managed ETFs can cost much more. The correct comparison is not “fund versus ETF” in general, but “this fund versus that ETF” after all fees, spreads, and taxes are included.
Regular funds are simple to transact. Investors place an order during the day, and the trade is completed at the fund’s next calculated NAV. The investor does not know the final price at the moment of order placement, but the process avoids intraday price noise.
ETFs trade differently. Investors buy and sell ETF shares on an exchange at market prices throughout the trading day. This creates flexibility. It also creates extra considerations. The market price may trade at a premium or discount to NAV, especially during volatile markets or when the ETF holds less liquid assets. ETF investors may also pay brokerage commissions, although many brokers now offer commission-free trading. Bid-ask spreads still matter, particularly for smaller or less liquid ETFs.
For long-term investors, the trading difference is mainly about convenience. For active traders, it becomes part of the execution strategy. A liquid broad-market ETF can be entered or exited quickly, while a regular fund is better suited to scheduled investing and long holding periods.
The traditional explanation holds that regular funds are actively managed, while ETFs are passively managed. That was once a useful shortcut, but it is no longer accurate.
Many regular funds are active, meaning a portfolio manager selects securities with the aim of outperforming a benchmark or managing risk. Many ETFs are passive, meaning they track an index such as the S&P 500, Nasdaq 100, MSCI World, or a bond index. However, both structures can now be active or passive.
Active ETFs have become a major trend in 2025–2026. They appeal to investors who want portfolio manager discretion but also prefer ETF-style trading, transparency, and potential tax efficiency. The rise of active ETFs also means the old fee comparison needs more care. An active ETF may be cheaper than an active mutual fund, but it can still be much more expensive than a basic index ETF.
The active-versus-passive debate remains market-dependent. In highly researched markets such as large-cap US equities, active managers often struggle to beat low-cost indexes after fees. In 2025, 79% of active large-cap US equity funds underperformed the S&P 500. In less efficient areas, such as smaller companies, credit markets, or some emerging markets, a skilled active manager may still add value.
Taxes are another important difference, especially for taxable brokerage accounts. Regular fund investors may receive capital gains distributions when the fund sells securities at a profit, even if the investor did not sell their own fund shares.
ETFs may also distribute capital gains, but many ETFs use in-kind creation and redemption mechanisms that can reduce taxable distributions. This does not eliminate tax, and it does not make every ETF tax-efficient, but it often gives ETFs an advantage over similar regular funds in taxable accounts. In tax-advantaged accounts such as IRAs or 401(k)-style retirement plans, this difference is usually less important.
Main Differences Between Regular Funds and ETFs
Neither structure is automatically better. The right choice depends on investment goals, account type, cost sensitivity, and trading behaviour.
Regular funds can be useful for investors who want automatic monthly contributions, simple long-term accumulation, or access to a specific active manager. They may also suit investors who prefer not to watch intraday prices.
ETFs may be better for investors who want lower costs, transparent holdings, intraday liquidity, and flexible exposure to equities, bonds, sectors, commodities, or global markets. They are also useful for investors who care about tax efficiency in taxable accounts.
The key is to compare total cost, not only the headline management fee. Investors should review the expense ratio, sales charges, redemption fees, bid-ask spread, tracking error, tax impact, liquidity, and whether the strategy is active or passive.
No. Many ETFs are cheaper, especially broad index ETFs, but some active, thematic, leveraged, or specialist ETFs charge higher fees. Investors should compare the total expense ratio, bid-ask spread, brokerage costs, and tax impact before making a decision.
Yes, but it depends on the manager, strategy, market segment, and fees. Active regular funds may outperform in less efficient markets, but many active funds struggle to beat low-cost index ETFs over long periods after expenses.
ETFs are not automatically safer. Risk depends on the assets held inside the fund. A broad equity ETF may be diversified, while a leveraged, single-sector, or commodity ETF can be highly volatile. Structure and asset exposure must be evaluated separately.
ETF market prices move throughout the day. When supply, demand, liquidity, or underlying asset prices shift, the ETF may trade slightly above or below NAV. Large, liquid ETFs usually stay close to NAV, while niche ETFs can show wider gaps.
ETFs have gained strong momentum because they combine low-cost exposure with exchange trading and broad market access. Regular funds still have a role where investors value automatic investing, manager selection, and long-term discipline. The best decision is not based on labels. It comes from comparing the fund’s total cost, strategy, liquidity, tax treatment, and suitability for the investor’s time horizon.
Disclaimer: This material is for general information purposes only and is not intended as (and should not be considered to be) financial, investment or other advice on which reliance should be placed. No opinion given in the material constitutes a recommendation by EBC or the author that any particular investment, security, transaction or investment strategy is suitable for any specific person.
