An exchange-traded fund (or ETF) is an investment vehicle traded on stock exchanges, much like stocks or bonds. An ETF holds assets such as stocks or bonds and trades at approximately the same price as the net asset value of its underlying assets over the course of the trading day. Most ETFs track an index, such as the Dow Jones Industrial Average or the S&P 500. ETFs may be attractive as investments because of their low costs, tax efficiency, and stock-like features. In a survey of investment professionals conducted in March 2008, 67% called ETFs the most innovative investment vehicle of the last two decades and 60% reported that ETFs have fundamentally changed the way they construct investment portfolios.
An ETF combines the valuation feature of a mutual fund or unit investment trust, which can be purchased or redeemed at the end of each trading day for its net asset value, with the tradability feature of a closed-end fund, which trades throughout the trading day at prices that may be substantially more or less than its net asset value. Closed-end funds are not considered to be exchange-traded funds, even though they are funds and are traded on an exchange. ETFs have been available in the US since 1993 and in Europe since 1999. ETFs traditionally have been index funds, but in 2008 the U.S. Securities and Exchange Commission began to authorize the creation of actively-managed ETFs.
Most investors can buy and sell ETF shares only in market transactions, but institutional investors can redeem large blocks of shares of the ETF (known as "creation units") for a "basket" of the underlying assets or, alternatively, exchange the underlying assets for creation units. This creation and redemption of shares enables institutions to engage in arbitrage that causes the value of the ETF to approximate the net asset value of the underlying assets.
ETFs offer public investors an undivided interest in a pool of securities and other assets and thus are similar in many ways to traditional mutual funds, except that shares in an ETF can be bought and sold throughout the day like stocks on a securities exchange through a broker-dealer. Unlike traditional mutual funds, ETFs do not sell or redeem their individual shares at net asset value, or NAV. Instead, financial institutions purchase and redeem ETF shares directly from the ETF, but only in large blocks, varying in size by ETF from 25,000 to 200,000 shares, called "creation units." Purchases and redemptions of the creation units generally are in kind, with the institutional investor contributing or receiving a basket of securities of the same type and proportion held by the ETF, although some ETFs may require or permit a purchasing or redeeming shareholder to substitute cash for some or all of the securities in the basket of assets.
The ability to purchase and redeem creation units gives ETFs an arbitrage mechanism intended to minimize the potential deviation between the market price and the net asset value of ETF shares. Existing ETFs have transparent portfolios, so institutional investors will know exactly what portfolio assets they must assemble if they wish to purchase a creation unit, and the exchange disseminates the updated net asset value of the shares throughout the trading day, typically at 15-second intervals.
In the United States, most ETFs are structured as open-end management investment companies (the same structure used by mutual funds and money market funds), although a few ETFs, including some of the largest ones, are structured as unit investment trusts. ETFs structured as open-end funds have greater flexibility in constructing a portfolio and are not prohibited from participating in securities lending programs or from using futures and options in achieving their investment objectives. Under existing regulations, a new ETF must receive an order from the Securities and Exchange Commission, or SEC, giving it relief from provisions of the Investment Company Act of 1940 that would not otherwise allow the ETF structure. In 2008, however, the SEC proposed rules that would allow the creation of ETFs without the need for exemptive orders. Under the SEC proposal, an ETF would be defined as a registered open-end management investment company that:
* Issues (or redeems) creation units in exchange for the deposit (or delivery) of basket assets the current value of which is disseminated on a per share basis by a national securities exchange at regular intervals during the trading day;
* Identifies itself as an ETF in any sales literature;
* Issues shares that are approved for listing and trading on a securities exchange;
* Discloses each business day on its publicly available web site the prior business day's net asset value and closing market price of the fund's shares, and the premium or discount of the closing market price against the net asset value of the fund's shares as a percentage of net asset value; and
* Either is an index fund, or discloses each business day on its publicly available web site the identities and weighting of the component securities and other assets held by the fund.
* Identifies itself as an ETF in any sales literature;
* Issues shares that are approved for listing and trading on a securities exchange;
* Discloses each business day on its publicly available web site the prior business day's net asset value and closing market price of the fund's shares, and the premium or discount of the closing market price against the net asset value of the fund's shares as a percentage of net asset value; and
* Either is an index fund, or discloses each business day on its publicly available web site the identities and weighting of the component securities and other assets held by the fund.
The SEC rule proposal would allow ETFs either to be index funds or to be fully transparent actively managed funds. Historically, all ETFs in the United States have been index funds. In 2008, however, the SEC began issuing exemptive orders to fully transparent actively managed ETFs. The first such order was to PowerShares Actively Managed Exchange-Traded Fund Trust, and the first actively managed ETF in the United States was the Bear Stearns Current Yield Fund, a short-term income fund that began trading on the American Stock Exchange under the symbol YYY on 25 March 2008. The SEC rule proposal indicates that the SEC is not suggesting that it will not consider future applications for exemptive orders for actively managed ETFs that do not satisfy the proposed rule's transparency requirements.
Some ETFs invest primarily in commodities or commodity-based instruments, such as crude oil and precious metals. Although these commodity ETFs are similar in practice to ETFs that invest in securities, they are not "investment companies" under the Investment Company Act of 1940.
Publicly traded grantor trusts, such as Merrill Lynch's HOLDRS securities, are sometimes considered to be ETFs, although they lack many of the characteristics of other ETFs. Investors in a grantor trust have a direct interest in the underlying basket of securities, which does not change except to reflect corporate actions such as stock splits and mergers. Funds of this type are not "investment companies" under the Investment Company Act of 1940.
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