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Valuing currencies using the Big Mac

See it here: https://bigmacindex.surge.sh/

But why?

Currencies exchange at specific rates, which fluctuate all the time, leading to many a dazed worker who saw a part of their life savings evaporate into the ether upon contact with the famed wire transfer. So I thought it pertinent to be able to easily compare the price of the Big Mac™ across countries to quantify the bang for the respective buck.

The Big Mac index was invented by The Economist in 1986 as a lighthearted guide to whether currencies are at their “correct” level.

But why do these exchange rates rise and fall? Cant we set them and forget them? That is an option, but has many hurdles still.

And if they do fluctuate, on a regular Tuesday, when I land in Zurich after my long flight from Miami, can I at least buy a Big Mac™ in exchange for the same amount of sweat and blood that they ask for it back in Miami?

No.

But.... why?

Minutiae

  • Only supports a few countries at the moment. Hoping to add more.
  • Created with CodeSandbox, Wikipedia, ChatGPT, and some affection.