Have the Markets Become Less Efficient?

Jared Dillian  |

Image via Mike Kalasnik/Flickr CC

Everyone knows that Toys “R” Us went bankrupt. Very sad. And largely preventable. But that’s not the story I’m interested in.

I don’t care that Toys “R” Us went bankrupt—I care how they went bankrupt.

One day the bonds were trading at 96. Then they filed, and a few days later, the bonds were trading at 20. Bam. Just like that.

That is not usually how things work in credit markets.

Usually, smart analysts study a company and figure out well in advance that bankruptcy is a possibility. Sometimes these analysts know the company better than even management does.

The analysts tell their traders that the company is doomed. The traders short the bonds and knock down the price.

Then word starts to spread that there might be a problem. Then other analysts will study the company and other traders will short the bonds. And by the time the actual bankruptcy happens, it is a foregone conclusion.

That is what happens with efficient markets.

Okay, everyone knows that markets are not really efficient, but look at this freaking chart:

Source: Bloomberg

I would argue that markets are less efficient than they were 10 years ago.

Wait, aren’t markets supposed to get more efficient over time? It isn’t working out that way.

Two Potential Causes

My diagnosis is as follows. There are fewer people analyzing securities than there used to be.

Basically, banks and big hedge funds are spending lots of money on technology and less and less on human capital. Co-locating servers so you have a 3-microsecond latency is sexy.

Some 31-year-old dude from Wharton sitting in his office until midnight, ordering Seamless, poring over company filings, is not sexy… but that is how you figure out that there is a problem at Toys “R” Us.

All the computational power in the world isn’t going to help you. Some things you just can’t (and shouldn’t) automate.

I don’t really know for sure if there are fewer securities analysts. The job counts on Wall Street haven’t really changed over ten years. Certainly, there are boatloads of people taking the CFA exam. Which brings me to point number two.

There is another possibility: securities analysts are dumber than they used to be.

I am going to go on the record here and say that the CFA might not be a good thing. For one reason: it encourages groupthink. We are teaching hundreds of thousands of people to look at the market in exactly the same way.

The Market Is as Efficient as a Cloth Diaper

Toys “R” Us bonds are not the only instantaneous blowup in the capital markets. Can you think of another?

How about… Italy?

Source: @daniburgr

The result of Italy’s election was a bit of a surprise. But seriously, who is caught off guard here?

Everyone knew that this was a possibility. The convexity is massive, mostly for structural reasons, as the ECB has spent the last seven years selling options (implicitly).

But again, one day Italy is fine, the next day Italy is a problem. There is an old saying—when everyone thinks alike, no one is thinking.

The lesson here is that the market is extremely short-term efficient, but not at all efficient in the long-term.

Day trading is stupid and pointless. Your time horizon on a trade should be one to five years, or more. You should be aiming to get rich in a slow, deliberate, and sustainable way.

These knuckleheads trying to scalp stocks on their Robinhood apps for a couple of hundred bucks are why we can’t have nice things.

Don’t get me wrong—there was a point in time where day trading used to be profitable. Like, 20 years ago, but not today.

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DISCLOSURE: The views and opinions expressed in this article are those of the authors, and do not represent the views of equities.com. Readers should not consider statements made by the author as formal recommendations and should consult their financial advisor before making any investment decisions. To read our full disclosure, please go to: http://www.equities.com/disclaimer

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