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Hedging Update — ETFs

The table below shows the costs, as of Wednesday's close, of hedging 19 of the 20 most actively-traded ETFs against greater-than-20% declines over the next several months, using the optimal puts for that. First, a reminder about why I've used 20% as a decline threshold, what optimal puts mean in this context, and a quick note about why there were no optimal puts for one of these ETFs.

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.

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).

Why There Were No Optimal Puts for VXX

In some cases, the cost of protection may be greater than the loss you are looking to hedge against. That was the case with iPath S&P 500 VIX Short-Term (VXX). As of Wednesday's close, the cost of protecting against greater-than-20% declines in those stocks over the next several months was itself greater than 20%. Because of that, Portfolio Armor indicated that no optimal contracts were found for them.

Hedging Costs as of Wednesday

The data in the table below is as of Wednesday's close. The ETFs are listed in order of 125-day exponential moving average volume, with the most actively-traded name (SPY) at the top.

Symbol Name Cost of Protection (as % of position value)
SPY SPDR S&P 500 1.37%*
XLFFinancial Select Sector SPDR2.80%*
EEMiShares MSCI Emerging Markets2.52%*
IWMiShares Russell 2000 Index2.72%*
QQQPowerShares QQQ1.59%*
SLViShares Silver Trust6.62%**
EWJiShares MSCI Japan Index2.48%*
SDSProShares UltraShort S&P 5002.44%*
FASDirexion Daily Financial Bull 3X16.9%**
XLESelect Sector SPDR -- Energy2.34%*
VXXiPath S&P 500 VIX Short-TermNo optimal puts at this threshold
VWOVanguard Emerging Markets2.99%*
EFAiShares MSCI EAFE Index2.82%*
XLIIndustrial Select Sector SPDR1.94%*
FXIiShares FTSE China 25 Index2.53%**
GLDSPDR Gold Shares0.38%*
USOUnited States Oil4.45%**
EWZiShares MSCI Brazil Index2.90%*
XLBMaterials Select Sector SPDR2.62%*
SSOProShares Ultra S&P 5006.86%*
*Based on optimal puts expiring in December, 2011.

**Based on optimal puts expiring in January, 2012.

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