- Jared Dillian
- The 10th Man
- May 4, 2017
As you may have seen, the VIX dipped under 10 on an intraday basis the other day:
Meanwhile, short interest has reached an all-time high in VXX, the ETN that is supposed to track the VIX.. Remember, if you buy VXX you are getting long volatility, so basically what we are seeing is an overabundance of people rushing in to sell volatility… at the all-time lows.
No bubble here.
We spent last week talking about bubbles—is there a bubble in short volatility strategies? I think there might be.
Please stop and read this terrific piece by Dean Curnutt, CEO of Macro Risk Advisors, on Bloomberg View. In it, he talks about the idea that financial insurance is different than conventional insurance. With insurance against hurricanes or fires, for example, the event you are trying to insure against is truly exogenous. Hurricanes (for all intents and purposes) are independent events, and occur without respect to how many people buy insurance.
But that is not the case with financial markets insurance (like options). As opposed to earthquakes, which are exogenous events, a crash (caused by a rapid unwinding of positions) can be an endogenous event, as Curnutt explains. People put on a trade, it works, which encourages more and more people to pile in… until it eventually stops working. Then everyone will want to get out—all at once.
As I have written before, selling volatility has worked so well for so long that many people believe it to be free money. Shorting VXX works when volatility goes down and the term structure of volatility steepens. What happens if volatility goes up and the term structure inverts—and stays inverted? Road pizza.
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Is There An Indexing Bubble?
Everyone knows by now that assets have been fleeing actively managed funds into passively managed mutual funds and ETFs. It’s an old story. Everyone knows about the popularity of Vanguard. Some people have made their reputations on this. The story is compelling—invest in this product that usually beats most competitors but costs a lot less. Where do I sign up?
I’ll poke holes in that logic some other time. For now, I want to talk about the idea that this strategy has become so popular that it is a bubble in and of itself. This is a frequent topic of discussion online. The index fund bulls/promoters usually point out that just a small fraction of assets have switched to passive—there could be a lot more to go. That is true. The index fund bears/detractors point out all the distortions that are happening from indexing, like:
- It has ruined long/short strategies
- It is screwing up corporate governance
- It is causing valuation distortions
Entertain this thought for a moment. If you lived through the dot-com crisis, you remember what that was like. People day-trading at their desks at work, cab drivers giving you stock tips, all that kind of stuff. Mania. The stuff we were talking about two weeks ago.
What if indexing is a mania unto its own?
Clearly, there isn’t the euphoria there was in 1999, but people are pretty excited about their index funds. Excited enough that Vanguard gets $2 billion in new assets a day. Meanwhile, long-short guys have a tough time scratching together $50 million for a launch.
People aren’t bullish on stocks--they are bullish on the stock market. And philosophically, nobody is really thinking about the S&P 500 stocks as 500 stocks. They are thinking about it as an asset unto itself. It has a price. And, when people talk about indices, they don’t talk about the benefits of diversification anymore.
Remember how this stuff works—you don’t necessarily need an exogenous shock for this trade to fall apart. As previously described, greed takes over, and it can just stop working and unwind.
What would an indexing unwind look like? Down 20%--thought you were diversified!
Just Spitballing Here
Just kicking some ideas around. Privately, I would say that, while popular, indexing may not have reached bubble stages yet. This is all new territory, so I don’t know.
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