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Hedging Update — Stocks

Bank of America (BAC) was the most actively traded NYSE stock Tuesday (as it was last week), but after posting its 90-cent per share second-quarter loss Tuesday, the costs of hedging it have gone up. The table below shows the costs, as of Tuesday's close, of hedging BAC and 19 of the other most actively traded stocks against greater-than-20% declines over the next several months, using the optimal puts.

Comparisons

For comparison purposes, I've also added the costs of hedging the SPDR S&P 500 Trust ETF (SPY), the SPDR Dow Jones Industrial Average ETF (DIA), the Nasdaq 100-tracking ETF PowerShares QQQ Trust ETF (QQQ), and the US Treasury Bond tracking ETF iShares Barclays 20-plus Year Treasury Bond ETF (TLT) against the similar declines. First, a reminder about what optimal puts mean in this context and why I've used 20% as a decline threshold.

Optimal Puts

Optimal puts are the ones that will give you the level of protection you want at the lowest possible cost. As University of Maine finance professor Dr. Robert Strong, CFA has noted, picking the most economical puts can be a complicated task. With Portfolio Armor (available on the web and as an Apple iOS app), you just enter the symbol of the stock or ETF you're looking to hedge, the number of shares you own and the maximum decline you're willing to risk (your threshold). Then the app uses an algorithm developed by a finance academic to sort through and analyze all of the available puts for your position, scanning for the optimal ones (there's an example of this, with screenshots, in this article about hedging against a US default with puts on TLT).

Decline Thresholds

You can enter any percentage you like for a threshold when using Portfolio Armor (the higher the percentage though, the greater the chance you will find optimal puts for your position). The idea for a 20% threshold comes, as I've mentioned before, from a comment fund manager John Hussman made in a market commentary in October 2008:

An intolerable loss, in my view, is one that requires a heroic recovery simply to break even … a short-term loss of 20%, particularly after the market has become severely depressed, should not be at all intolerable to long-term investors because such losses are generally reversed in the first few months of an advance (or even a powerful bear market rally).

Essentially, 20% is a large enough threshold that it reduces the cost of hedging but not so large that it precludes a recovery. When hedging, cost is always a concern, which is where optimal puts come in.

How Costs Are Calculated

To be conservative, Portfolio Armor calculated the costs below based on the ask prices of the optimal put options. In practice, though, an investor may be able to buy some of these put options for less (i.e., at a price between the bid and the ask).

Hedging Costs as of Tuesday's Close

The data in the table below is as of Tuesday's close. After the four ETFs listed for comparison purposes, the NYSE stocks are listed in order of their share volume in Tuesday's trading, with the most actively traded stock (BAC) listed first; the Nasdaq stocks are listed in a similar order, with the most actively traded Nasdaq stock (SIRI) listed first.

SymbolNameCost of Protection (as % of position value)
Comparison Index ETFs
SPYSPDR S&P 5001.53%*
DIASPDR Dow Jones Industrial Avg1.40%*
QQQPowerShares QQQ Trust2.11%*
TLTiShares Barclays 20+ Year Treas0.61%
NYSE Stocks
BACBank of America Corporation7.94%*
WFCWells Fargo & Co.3.66%*
SSprint Nextel Corp.5.51%*
FFord3.67%*
GEGeneral Electric Company3.12%*
HKPetrohawk Energy Corporation0.78%*
MGMMGM Resorts International9.19%*
JPMJP Morgan Chase & Co.3.64%*
PFEPfizer, Inc.3.11%*
CCitigroup Inc.4.52%*
Nasdaq Stocks
SIRISirius XM Radio Inc.10.4%*
MSFTMicrosoft Corporation2.94%*
NWSANews Corporation6.33%*
CSCOCisco Systems, Inc.4.09%*
INTCIntel Corporation3.38%*
MUMicron Technologies13.8%*
YHOOYahoo! Inc.4.11%*
ORCLOracle Corp.3.65%*
DELLDell, Inc.4.02%*
AAPLApple, Inc.2.80%*


*Based on optimal puts expiring in January 2012.

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