Bitcoin: An Unknowable Bubble?

“Whatever [Bitcoin] is, I missed it… It looks and smells like all the bubbles I have seen throughout history.” billionaire investor Jim Rogers

Authored by Constantin Gurdgiev via True Economics blog,

There is a much-discussed in the crypto-sphere chart making rounds these days, plotting Bitcoin price dynamics against the historical bubbles of the past:

The chart is striking. Albeit simplistic. See Note 1 below for a technical argument on the chart timing.

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On price dynamics alone, Bitcoin looks like a sure bubble – a disaster waiting to happen. But Bitcoin dynamics are basically not suited for any empirical analysis of any significant accuracy.

As noted by some commentators, Bitcoin had numerous 80-90% and larger drawdowns in the past (given its immense volatility). It keeps coming back from these. Some claim this to be the evidence that Bitcoin it not a bubble. Which is neither here nor there: bubbles are generated by exuberant expectations of investors, not by actual parameters of price processes. Causality does not flow from dynamics to bubbles, but the other way around. So to identify a bubble, one needs to identify exuberance. See Note 2 below for more on 80% drawdowns.

In the case of Bitcoin fans, there is clearly such.

No investor or serious analyst has been able to provide a fundamentals-based valuation model for Bitcoin.

A disclosure in order here: myself and a graduate student of mine have looked at the fundamental modelling for Bitcoin over the summer. We found no tangible relationship between any economic or financial parameters tested and Bitcoin price dynamics. In another piece of research, myself and two co-authors are currently looking at empirical dynamic and fractal properties of Bitcoin. Again, we finding nothing consistent with a behaviour of an asset with fundamentals-derived valuations.

Absence of evidence is not the same as evidence of absence. But, taken together with the general lack of credible fundamentals-linked modelling of the crypto-currency, this means that, at this point in time, Bitcoin price can be potentially driven solely by… err… expectations held by its enthusiasts, plus the incentives by the predominantly China-based investors to avoid extreme risks of capital controls and expropriations. If so, both drivers would make it a speculative bubble.

The only quasi-fundamentals-linked argument for Bitcoin has been the blockchain one – the promise of Bitcoin serving as a key tool for data aggregation, recording and transmission. This argument, however, no longer holds. Blockchain technology has migrated from public blockchains, like Bitcoin, to either open blockchains, like Ethereum or, increasingly more frequently, private blockchains. It is the latter that currently hold the promise to serve as viable platforms for data economy.

As a libertarian, I should like a private currency system that supports anonymity of transactions. As an economist, I should like the innovative nature of Bitcoin. And, put simply, I do. Both.

But as an investor, I do not have the stomach for Bitcoin’s valuations and volatility, as well as for its higher moments behaviour (in particular worrying are kurtosis, co-skews and co-kurtosis, which severely complicate empirical dynamics analysis, see Note 3 below). And I have even less enthusiasm for the crypto market that is sustained increasingly by undertakings, like BitMEX – a purely speculative platform trading some $35 billion in Bitcoin derivatives with leverage up to x100 to the amateur speculators who, put frankly, have zero idea what they are buying and at what price. The vast majority of Bitcoin investors have no clue what a butterfly option looks like and how it can be valued. And the vast majority of financial markets analysts and professionals won’t be able to price a butterfly strategy for Bitcoin, given its painfully twisted moments. Yet, within a month of starting trading, BitMEX reached 1/3 of the market capitalisation of Bitcoin. This is not just a shoe-shine-boy moment, folks. It is white-powder-under-the-nose-and–empty-bottles-of-vodka-on-the-floor hour for high school dropouts with cash to burn.

Another worrying issue with Bitcoin is the argumentation of its main supporters.

This ranges from the cognitively biased “you don’t know anything about the Bitcoin” to “Bitcoin is scarce & limited in supply” to “Bitcoin is a promise of liberating the masses from the oppression of the Central Bankers”.

The first sort of argument exhibits not just Jurassic ignorance of logic, but also a gargantuan dose of arrogance. Repeated sufficiently enough, it signifies the absurd degree of exuberance of investors’ expectations.

The second argument is patently false. Bitcoin has undergone splits, and engendered dozens of other cryptos, with unlimited supply of such into the future. Bitcoin itself is divisible ad infinitum and, with forks, its supply is potentially unlimited. Worse, Bitcoin rests on man-made mathematical foundations. Which means it has no physical bound or constraint. Anything man-made (and even more so, anything mathematically derived) is, by definition, fungible and axiomatic. Just because to-date no one cracked the code to alter Bitcoin mid-stream or drain blockchain-held information does not mean that in the future such a code cannot be written. So hold your horses: gold is physically limited in quantity (even though in the Universe, it is not as scarce as it is on Earth, which makes long term supply constraint on gold potentially non-binding). Bitcoin is limited by our capacity to alter the underlying code defining it. Anyone thinking of an algorithm as a ‘law’ needs to go back to Godel’s mathematics.

Finally, there is an argument of ‘liberation’. Bitcoin value is only sustained as long as it remains convertible into goods, services and other currencies. This means that Bitcoin cannot remain a government- regulation-free asset, as long as its popularity as a medium of exchange and a vehicle for store of value grows. Which means that in the medium terms (3 years or so?), Bitcoin will either cease to be, or cease to be anonymous. All protection from the dictate of the Central Bankers will be gone.  Benign tolerance of Bitcoin by some regulators can quickly turn into outright prohibition on trading – as current and past examples of China, Vietnam, Nigeria, Colombia, Taiwan, Ecuador, Bangladesh, Kyrgyzstan and Bolivia, Russia, and Thailand suggest. Evolution of cybersecurity measures and regulatory and supervisory tools, including their spread into cryptocurrencies domain will only increase effectiveness of such measures into the future. So, unless you are planning to live in a libertarian paradise, where legal norms of other states do not apply, good luck committing much of your wealth to Bitcoin as a safe haven for oppressive or coercive actions of the nation states.

Worse, anyone claiming that Bitcoin is a hedge against inflation fails to understand how modern markets work. Again, to increase in value, Bitcoin requires higher rates of adoption. Higher rates of adoption bring about higher rates of asset instrumentation (see above for BitMIX). Higher rates of instrumentation and adoption, taken together, imply higher holdings of Bitcoin by institutional and diversified portfolio investors. So far so good? Right, now the kicker: these holdings imply greater, not lower, positive correlations between Bitcoin and other asset classes in shock-experiencing markets. That’s right, dodos: Goldman holdings of Bitcoin are correlated to liquidity supply in general markets, because if such liquidity starts evaporating, Goldman will sell Bitcoin to plug holes in other instruments. Sell-off in the markets can trigger sell-off in Bitcoin. Now, another kicker: Bitcoin is currently less liquid than any major asset class (see extreme volatility of pricing across various Bitcoin exchanges). Which means that smart folks at Goldman will be dumping Bitcoin before they dump gold and other assets. Hipsters hugging their laptops will be the last to wake up to this momentum (behavioural evidence suggests, they might actually buy into falling Bitcoin in hope of speculatively gaining on a bounce, which, incidentally, can explain why large drawdowns in Bitcoin can turn so fast into upward trends).

The tricky bit about Bitcoin is that its enthusiasts need to learn to live in the real world first. Until they do, Bitcoin will continue its upward path, and this process can go one for quite a while, depending on the supply of cash in the markets for Bitcoin. Once they are taught a sufficient lesson, however, the rest of us will be learning the long term fundamentals valuations of Bitcoin. I, for now, have no idea what these valuations might be.

So Bitcoin, then. A bubble or not?

If you ignore the arguments that attempt to justify its valuations, it looks like one, albeit with dynamics that are very hard to interpret.

 

If you listen to them, it looks that way even more, with more confidence in the arguments bogus nature.

Draw your own final conclusions.

*  *  *

Note 1: In defence of the chart above, without validating its implied conclusions: the chart plots Bitcoin evolution from 3 years ago through today. This starting point makes sense. Until mid-2014, Bitcoin was extremely obscure, hype-only investor vehicle, with volatility so off the charts, any analysis of its dynamics was futile (I know, I did such analysis and presented the results in my talk at Bloomberg two years ago). Those us who do research in finance generally and routinely disregard the first 3-4 years of existence of Bitcoin for exactly that reason.

Note 2:  A note due here: Bitcoin’s returns from 80-90% drawdowns is not a solid evidence of the crypto-currency not being a bubble, because they are in line with Bitcoins’ overall massive volatility. In other words, a valid comparative for these drawdowns relative to other asset classes is not “an 80% drawdown in  Bitcoin ~ an 80% drawdown in stocks”, but “an 80% drawdown in Bitcoin ~ an 8% drawdown in stocks”. Apples to apples. Dust to dust.

 Note 3:  Interesting Elliott Wave analysis of Bitcoin dynamics here and here , although I am not convinced Bitcoin price trends are established enough for this technique to work.

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17 Comments
Crimson Avenger
Crimson Avenger
November 22, 2017 9:39 am

I’ve never bought into Bitcoin and never will, for two reasons. One, is that it is completely intangible: There is literally nothing of physical value to it. Two, its value is completely determined by artificial scarcity, and that can be altered at any time by a smart programmer.

I’m sure a lot of people will make a lot of fiat trading it, but I’ll stick with my gold, thanks.

Edwitness
Edwitness
November 22, 2017 10:04 am

The real purpose of bitcoin and all crypto currencies.
https://m.youtube.com/watch?feature=youtu.be&v=mpzZ7C5FsnU
Blessings:-}

Wip
Wip
  Edwitness
November 22, 2017 10:16 am

That was pretty damn interesting. Putin said, and I believe it, that the person(s) that controls artificial intelligence will control the world.

Edwitness
Edwitness
  Wip
November 22, 2017 10:57 am

Yes. And unless we want to be a part of building the AI system of the global gov’t we need to stay as far away from crypto currencies as possible.
Blessings:-}

larry morris
larry morris
November 22, 2017 10:15 am

just one more junk scam to take your money early end money to be made on dumb ass people that come in late

Dave
Dave
November 22, 2017 10:24 am

I have yet to see a simple explanation of what bitcoin is.

Wip
Wip
  Dave
November 22, 2017 10:29 am

Watch the video posted at 10:04

c1ue
c1ue
  Dave
November 22, 2017 1:10 pm

Nerd art.
Every bitcoin is a Picasso created by Satoshi Nakamoto.
And like any other art – the valuation fluctuates wildly with demand. And you can sell any art to buy food or what not, but it is slow, cumbersome and costly.
The techno-libertards are enamored of its anonymity, but that’s a lie. Bitcoin is anonymous only if you never use it. Actually buy and sell with it, and your anonymity disappears much like selling a Picasso (or a Leonardo)

OutLookingIn
OutLookingIn
  Dave
November 22, 2017 3:20 pm

One “simple” fact:

Bitcoin is nothing more nor less, than a de facto digital currency and thus yet another fictitious form of wealth, with a computer system as it’s counter party.

Diogenes
Diogenes
November 22, 2017 10:33 am

Years ago I was at a comic store with my son. Some geek was talking about how he had three computers at home mining bitecoins. I asked him to explain bitecoin to me and he said “It’s a fucking ponzi scheme.”

Edwitness
Edwitness
  Diogenes
November 22, 2017 11:24 am

In the video I posted above you will see how your friend has unwittingly been helping to create the block chains that the AI system is made of. Coerced into doing so because the AI knew men would work for it if AI could convince him that crypto currencies actually had value.
Blessings:-}

22winmag
22winmag
November 22, 2017 1:21 pm

Giant EMP 2018 (please!)

AC
AC
November 22, 2017 2:18 pm

The second argument is patently false. Bitcoin has undergone splits, and engendered dozens of other cryptos, with unlimited supply of such into the future. Bitcoin itself is divisible ad infinitum and, with forks, its supply is potentially unlimited.

The second argument is patently false. – This is bullshit.

Bitcoin has undergone splits, and engendered dozens of other cryptos, with unlimited supply of such into the future. – These forks and others are not Bitcoin. Stop conflating.

Bitcoin itself is divisible ad infinitum and, with forks, its supply is potentially unlimited. – Again, more bullshit.

He conflates Bitcoin and cryptocurrencies in general. There are valid criticisms of Bitcoin, and of cryptocurrencies in general, but not necessarily the same set of criticisms.

When people tell Rogers that he doesn’t understand Bitcoin, that is the best case scenario.

I don’t look at Bitcoin as an investment to buy and hold, I see it as something that has utility in commerce – to be obtained and immediately exchanged.

bigfoot was here
bigfoot was here
November 23, 2017 7:11 pm

I love BTC haters. My first mobile phone was a shoebox with a black phone on top and cost a fortune to use. On my first computer I loved the bulletin board system where people talked to one another in real time. You could even see them typing as they revealed their thoughts. I used to spend three or four hundred dollars a month on AOL. I was trader then when the cost of buying and selling stocks came down very dramatically as the brokers lost their power to charge an arm and a leg. My first job at eleven was setting pins in a bowling alley. In those days you worked in a pit and lifted the downed pins into a tray that when after you filled it, you used a lever to push the pins down into their places. Can you believe that in just one lifetime a favorite pastime of people went from listening to radio programs on radios the size of small refrigerators to streaming movies on screens bigger than refrigerators?

During this lifetime the dollar has lost through inflation, meaning that it buys less of ordinary products like gasoline, 80% or more. Since 1913 it’s lost 97+%.

Yes, crypto haters hate the wrong thing. If we’d all just go crypto we’d defeat the fuckers in D.C. and in the castles. Things change and we can change with them, but just like the street workers in N.Y. who carried signs protesting water wagons helping to wash away the horseshit that said, “Down with the labor-saving devices,” crypto haters cling to their gold, the gold that is mostly held by central banks.

Yeah, I know, gold is money and has been for 5000 years. I wonder if they had bowling alleys then? Or credit cards? Did you know that in China “WeChat” loaded on cells phones has about removed cash from society? But gosh, it will be so hard to load a phone app with Bitcoin or Bitcoin Cash or Litecoin and spend it for groceries or whatever. Right?

Oh but mercy! There’s nothing backing these newfangled thingies! Unlike real money like the dollar. But wait, the dollar is a note. Federal Reserve Note. That note would be debt if you didn’t know and not something with real value, ultimately. Backed by the ability of gov’t to collect taxes. Well, that gov’t we all love so much is so far in debt that it prints trillions of these notes that you may call “real money” just to stay in business another week, but you run down Bitcoin and its ilk by saying things as if you had the brains of a holder of a sign that said, “Down with the wealth saving cryptos.”

Stucky
Stucky
  bigfoot was here
November 24, 2017 2:42 am

The only value Bitcoin has is what OTHERS will pay for it.

Yes, the dollar is just “a note”. But, it is a note ALL OTHERS accept and use.

Thus endeth pretty much everything I know, or care to know, about Bitcoin.

bigfoot was here
bigfoot was here
  Stucky
November 24, 2017 8:03 am

Stucky, did you know that every single fiat currency in the history of mankind has ultimately lost all of its value? No exceptions, but now you are implying that this time is different? The dollar is toast.

Capt. Curly
Capt. Curly
November 24, 2017 11:38 am

Bitcoin won’t be in a bubble until everyone in the world is desperate to own it!