Bitcoin is up 825% this year, surpassing the value of American Express

There is no official measurement of a market bubble, but one could be the speed and force of the rise, a technique borrowed from the physical realm. Dot-com stocks rose 680 percent from the beginning of 1996 to the end of March

2000. Bitcoin has risen nearly 825 percent in the past year alone, to about $5,700.

In that run, it has added roughly $90 billion in value, crossing above $100 billion for the first time on Friday before dropping back a bit. It’s only a matter of time before it becomes a permanent member of the $100 billion club. Bitcoin is now worth more than a number of financial firms that would be its rivals, like American Express Co. ($81 billion) and PayPal Holdings Inc. ($84 billion).

Still, compared with other asset classes, like real estate or stocks, bitcoin is a pimple, which is why some people have convinced themselves that bitcoin can’t be in a bubble. New York City real estate alone is worth more than $1 trillion.

There is $8 trillion worth of gold in the world, nearly $15 trillion in Treasury bonds and more than $25 trillion in the U.S. stock market. Bitcoin’s mere $100 billion, by comparison, is small.

But that’s only part of the equation. New York City real estate is worth 10 times bitcoin, but it didn’t pass the $100 billion mark, adjusted for inflation, until the late 1970s, or roughly 310 years after the territory was renamed after the Duke of York. U.S. auto sales didn’t reach $100 billion for 60 years. Apple did it in a sprightly 31 years, but that was still four times slower than bitcoin, which clocked in at about seven years. But Apple, unlike bitcoin, produces significant earnings and holds $260 billion in actual cash.

Recently, the bitcoin bubble guessing game has moved to transactions, which now equal $1 billion a day compared with about $150 million in daily transactions in the cryptocurrency a year ago. That gives bitcoin a network value to transaction ratio,
or NVT, of roughly 100, which some say is not that unusual if you were to think of it as a price-to-earnings ratio of high-growth tech stock. Netflix Inc. and Amazon.com have both been there. But the NVT ratio is more like a price-to-sales ratio.

Bitcoin users pay an average fee of 0.1 percent to complete a transaction, which doesn’t go to bitcoin itself but to the trading platforms. Bitcoin’s fees are on track to hit $365 million a year, which would give it a P/E ratio of nearly 275.

And the bitcoin universe has now drawn in investors in so-called initial coin offerings, chip manufacturers and technology investors in general. If the bitcoin bubble does pop, the value of a lot more than just the cryptocurrency could vanish.

This column does not necessarily reflect the opinion of Bloomberg LP and its owners.
Stephen Gandel is a Bloomberg Gadfly columnist covering equity markets. He was previously a deputy digital editor for Fortune and an economics blogger at Time. He has also covered finance and the housing market.

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