What Is Auction Rate Securities

Auction rate securities are debt or preferred equity securities whose interest rate or dividend yield is reset from time to time through an auction. The auction is commonly structured as a Dutch auction, where submitted rates help determine the rate paid for the next period.

The name can sound confusing because an auction rate security may have a long-term maturity while its rate changes every few weeks. That apparent mismatch is the key to understanding ARS.

A security might mature in 20 years or longer, yet reset its interest rate or dividend yield every 7, 28, or 35 days. The maturity tells you when the security is scheduled to end. The auction period tells you how often its return is recalculated.

Those are two separate features.

What are auction rate securities?

An auction rate security, or ARS, is a security with a rate that is reset through regular auctions. Depending on the issue, it can be:

• A municipal bond
• A corporate bond
• A preferred stock
• Another debt or preferred-equity security built around the auction-rate structure

For debt securities, the auction usually resets the interest rate. For preferred stock, it may reset the dividend yield instead.

Some descriptions call ARS variable-rate bonds or adjustable-rate preferred stock. Those labels point to the changing rate, but they don't tell you everything about the security. The issuer, maturity, auction schedule, payment terms, and any special rights all depend on the specific offering.

The basic idea is this: the security remains outstanding, but the rate paid during the next short period is set through an auction.

That setup can make ARS look somewhat like a short-term investment. But the security itself may have a much longer scheduled life.

How the Dutch auction resets the interest rate

A Dutch auction is a process used to find one rate that can apply to the next payment period.

Before the reset date, participants submit the rate or yield they would accept. These submissions are considered together. The auction then determines a clearing rate—the rate needed for the securities being offered in that auction to be allocated under the auction's rules.

That rate becomes the interest rate or dividend yield for the next reset period.

For example, an ARS might reset every 28 days. The security doesn't mature after 28 days. Instead, the 28-day point is when its current rate ends and a new rate is set.

Common reset periods include:

• 7 days
• 28 days
• 35 days

The exact process can vary. The offering documents should explain who may submit orders, how rates are ranked, what happens if demand is limited, and how the next rate is calculated.

So, “auction” doesn't mean the security is being sold at a one-time public sale like an antique or a car. It refers to the recurring process used to set the next interest rate or dividend yield.

The securities that can use the ARS structure

ARS is a structure, not the name of one single type of asset.

Municipal bonds

A municipal issuer may use an auction-rate structure for a bond. In that case, the security represents debt issued by a public entity, while the interest rate changes at set auction intervals.

The fact that a security is connected to a municipality doesn't answer every question about its terms. You still need to check the individual bond documents for its maturity, payment rules, auction schedule, and other conditions.

Corporate bonds

Companies can also issue debt with auction-based rate resets. These securities may have long-term maturity dates even though their rates change regularly.

The corporate issuer matters here. The payment terms and risks are tied to the specific security and issuer, not simply to the fact that the security uses an ARS structure.

Preferred stock

Auction rate securities can also take the form of preferred stock. In that case, the auction may reset a dividend yield rather than an interest rate.

That difference matters. Preferred stock is equity, while a bond is debt. Both can use an auction to reset the return, but they aren't the same kind of security.

If shares on an account statement appear to be “in auction,” the available information does not provide one universal explanation for that label. It could relate to a preferred-stock ARS, but the security's account records and offering documents would be needed to determine what it means.

Why ARS can have long-term maturities but frequent rate resets

This is the part that causes the most confusion.

An ARS has at least two separate clocks:

1. The maturity clock — when the issuer is scheduled to repay or end the security.
2. The reset clock — when the interest rate or dividend yield is recalculated.

Imagine a security with a 20-year maturity and a 28-day reset period. The 20 years describe the length of the underlying investment. The 28 days describe how long the current rate lasts before the next auction.

The rate reset does not automatically shorten the maturity. It also does not automatically give the holder a right to get their money back at each auction.

This is why calling ARS “short-term” can be misleading. The rate may be short-term and frequently changing, while the security itself remains a long-term obligation.

A useful way to read the terms is to ask two different questions:

• When can the rate change?
• When, and under what conditions, can the principal be repaid?

Those answers may be far apart. The reset schedule alone doesn't tell you the maturity date or whether you can exit the investment between resets.

Auction rate securities and the 2008 crisis

Searches for auction rate securities 2008 often point to the major disruption associated with this market during the financial crisis.

The supplied information establishes the connection between ARS and the 2008 crisis, but it does not provide enough detail to explain every part of what happened, how individual auctions were handled, or how each issuer responded. Those details can differ by security and by the documents governing it.

The main lesson for a reader is that a frequent rate reset should not be mistaken for a guaranteed short-term exit. An auction may be designed to reset the rate, but the auction structure and the maturity structure are separate matters.

That distinction becomes especially important when you see a long-term security described alongside weekly or monthly rate changes. A short reset period does not, on its own, settle questions about liquidity, redemption, or repayment.

For any particular ARS connected with the 2008 period, the relevant offering documents and account records would be needed to establish what happened and what rights holders had.

Are auction rate securities still available?

The broad category may still appear in financial discussions and records, but the supplied information does not establish the current availability of ARS as a whole or describe a single active market for them.

That answer needs to stay cautious because “auction rate security” covers different types of instruments. A municipal bond, corporate bond, and preferred-stock ARS may have different terms and histories.

If you're trying to find out whether a specific security still exists, check:

• Its current name and identification details
• The issuer's offering documents
• The stated auction or reset schedule
• The maturity date
• Any notices about changes to the security

A general web description can't answer those questions for a particular holding. The documents tied to that security are the better place to look.

Are ARS backed by the U.S. government?

The label auction rate security does not, by itself, mean the U.S. government guarantees the security.

ARS can include municipal and corporate securities, as well as preferred stock. That range alone shows why you can't assume one form of government backing applies to every issue.

Government backing, if any, would depend on the specific security and its governing documents. A municipal bond is not automatically the same thing as a U.S. government security. A corporate bond and preferred stock have their own issuer-specific terms as well.

Before treating an ARS as protected, look for clear language in the official documents that explains:

• Who is responsible for payment
• Whether any guarantee exists
• What the guarantee covers
• What limits or conditions apply

If those details aren't clear, the ARS label is not enough to answer the question.

ARS compared with VRDO bonds

VRDO stands for variable rate demand obligation. VRDO bonds and auction rate securities can both have changing interest rates, which is why people sometimes compare them or treat them as interchangeable.

They are not the same label, though.

An ARS is defined by the use of periodic auctions to reset the rate or dividend yield. A VRDO is identified as a variable-rate demand obligation. The word “demand” points to a feature that must be reviewed in the VRDO's own documents, rather than assumed from the fact that its rate changes.

That makes auction rate securities vs VRDO a question about structure, not just rate level. Two securities can both have variable rates while using different methods for setting those rates and different rules for how holders may deal with the securities.

When comparing an ARS with a VRDO bond, review:

• How the rate is reset
• How often the rate changes
• The maturity date
• Any holder or issuer rights
• The rules for selling, redeeming, or putting back the security
• Any stated guarantee or credit support

The name alone doesn't settle those points. A VRDO should not be assumed to have the same auction process as an ARS, and an ARS should not be assumed to carry the same demand feature as a VRDO.

Can auction rate securities be put back to the issuer?

There isn't one answer for every ARS.

Some securities may contain provisions that address redemption, repurchase, tender, or other ways of dealing with the investment. But the supplied information does not establish a general right for all auction rate securities to be put back to the issuer.

This is another place where maturity and rate resets can be confused. A 7-day, 28-day, or 35-day reset period does not automatically create a right to return the security on that date.

To find out whether a particular ARS can be put back, review its offering documents for language about:

• Holder redemption rights
• Issuer call rights
• Tender or repurchase provisions
• Dates when those rights apply
• Conditions or notice requirements
• What happens if an auction does not work as expected

The answer may also depend on whether the security is a bond or preferred stock. Don't rely on the phrase “auction rate” to fill in missing terms.

If you're considering a specific auction rate security, read its offering documents closely and seek qualified financial advice before making a decision. The security's maturity, reset method, government backing, and put-back rights all depend on the details of that particular issue.