ETFs & Index Investing
Explore 38 essential terms and definitions in etfs & index investing. From fundamental concepts to advanced strategies.
38 terms
Actively Managed ETF
intermediateAn ETF where portfolio managers actively select and trade securities to outperform a benchmark, combining active management with the trading flexibility of ETFs.
Authorized Participant
advancedA large institutional entity authorized to create and redeem ETF shares directly with the fund issuer, maintaining price alignment between ETF market price and NAV.
Bond ETF
intermediateAn ETF that invests in a portfolio of bonds, providing diversified fixed-income exposure with the trading flexibility of a stock.
Buffer ETF
advancedAn ETF that uses options strategies to provide downside protection (a "buffer") while capping upside potential over a defined outcome period, typically one year.
Cap-Weighted Index
intermediateAn index where each stock's weight is proportional to its total market capitalization, meaning larger companies have a bigger impact on index performance.
Closed-End Fund (CEF)
intermediateAn investment fund with a fixed number of shares that trade on exchanges, often at premiums or discounts to their net asset value.
Commodity ETF
intermediateAn ETF that provides exposure to physical commodities like gold, oil, or agricultural products, either through futures contracts, physical holdings, or commodity producer stocks.
Covered Call ETF
intermediateAn ETF that holds a portfolio of stocks and sells (writes) call options on those holdings to generate premium income, enhancing yield at the cost of capped upside.
Creation/Redemption
advancedThe ETF mechanism where authorized participants exchange baskets of underlying securities for ETF shares (creation) or ETF shares for underlying securities (redemption).
Equal-Weight Index
intermediateAn index where each constituent stock receives the same allocation weight regardless of market capitalization, giving smaller companies the same influence as larger ones.
ESG ETF
intermediateAn ETF that selects or weights investments based on Environmental, Social, and Governance criteria, screening out companies that don't meet sustainability standards.
ETF Premium/Discount
intermediateThe difference between an ETF's market trading price and its net asset value (NAV), expressed as a percentage.
Exchange-Traded Fund (ETF)
fundamentalA basket of securities that trades on an exchange like a stock, offering diversification with the flexibility of intraday trading.
Expense Ratio
fundamentalThe annual fee charged by a fund as a percentage of assets under management, covering operating costs like management, administration, and marketing.
In-Kind Transfer
advancedThe exchange of securities (rather than cash) between an authorized participant and an ETF issuer during the creation or redemption of ETF shares.
Index Investing
fundamentalA passive strategy that aims to match market returns by holding all securities in a market index in proportion to their weights.
International ETF
intermediateAn ETF that invests in stocks or bonds from countries outside the United States, providing geographic diversification across developed and emerging markets.
Inverse ETF
advancedAn exchange-traded fund designed to deliver the opposite return of its benchmark index, used for hedging or speculating on market declines.
S&P 500 Index Fund
fundamentalA fund that tracks the S&P 500 index by holding all 500 large-cap US stocks in proportion to their market capitalization.
Sampling Strategy
advancedAn index fund management technique where the fund holds a representative subset of index constituents rather than every single security in the index.
Sector ETF
intermediateAn ETF that invests exclusively in companies within a specific industry sector, such as technology, healthcare, energy, or financials.
Securities Lending
advancedThe practice where a fund temporarily loans its holdings to borrowers (typically short sellers) in exchange for collateral and a lending fee that can offset fund expenses.
Smart Beta ETF
intermediateAn ETF that uses alternative index construction rules based on factors like value, momentum, quality, or low volatility instead of traditional market-cap weighting.
Synthetic ETF
advancedAn ETF that uses derivative contracts (typically total return swaps) rather than physical securities to replicate the performance of its benchmark index.
Tax Efficiency (ETF)
intermediateThe structural advantage ETFs have over mutual funds in minimizing taxable capital gains distributions to shareholders, primarily through the in-kind creation/redemption process.
Thematic ETF
intermediateAn ETF focused on a specific investment theme or trend — such as artificial intelligence, clean energy, or cybersecurity — rather than a traditional sector or index.
Total Market Index
fundamentalA broad market index that aims to represent the entire investable stock market of a country or region, including large, mid, small, and micro-cap stocks.
Tracking Error
intermediateThe difference between an index fund's or ETF's performance and the benchmark index it aims to replicate, measured as standard deviation of return differences.
Value ETF
intermediateAn ETF that focuses on stocks considered undervalued relative to their fundamentals, using metrics like low price-to-earnings, price-to-book, and high dividend yields.
Vanguard
fundamentalThe world's largest mutual fund company, founded by John Bogle in 1975, pioneering low-cost index investing with a unique investor-owned structure.
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