Ratios

The gold–silver ratio, explained

Guide 01 of 067 min readEducational

The gold–silver ratio is the simplest number in precious metals and one of the oldest. It answers a single question: how many ounces of silver does it take to buy one ounce of gold? Divide the gold price by the silver price and you have it. If gold is trading at 60 times the price of silver, the ratio is 60.

Its appeal is that it strips the currency out. Both metals are quoted in the same money, so when you divide one by the other the dollar — or the rupee, or the euro — cancels. What's left is a pure relationship between two metals, comparable across decades in a way that a nominal price never is.

Where the ratio comes from

For most of monetary history the ratio was not observed, it was decreed. Bimetallic standards fixed the legal exchange rate between gold and silver coinage — the United States Coinage Act of 1792 set it at 15 to 1, and comparable ratios held across Europe for centuries. Governments were trying to keep two metals circulating at once, and a fixed ratio was the mechanism.

That arrangement fell apart in the late nineteenth century as large silver discoveries and the shift to gold standards demonetised silver. Once the ratio floated, it stopped being a policy and became a price — and it has been considerably more volatile ever since. Across the modern floating era the ratio has spent most of its time in a wide band well above the old bimetallic level, with sharp excursions in both directions.

FLOATING ERA — A WIDE, VOLATILE RANGE BIMETALLIC ERA — FIXED BY STATUTE, NEAR 15:1 SCHEMATIC — THE ACTUAL SERIES IS IN THE APP
Schematic only. The live ratio chart, with its full history and a custom date range, is in the app under Metal Ratios.

What people use it for

Three uses show up again and again:

  • Relative value. A high ratio means silver is cheap relative to gold; a low ratio means the reverse. Some investors rotate between the two metals when the ratio reaches an extreme, aiming to end up with more total ounces.
  • A risk thermometer. Gold behaves like money in a crisis; silver behaves partly like an industrial commodity. When the world is frightened, gold tends to hold up while silver falls with industrial demand — so the ratio spikes. It reached its widest levels of the modern era in the market panic of March 2020.
  • Historical framing. Because the ratio is currency-neutral, it lets you compare 1980 with 2011 with today without arguing about inflation adjustments.

What it cannot tell you

The ratio is a relationship, not a signal. It says nothing about the direction of either metal — a ratio of 80 can resolve by silver rising, by gold falling, or by both moving together at different speeds. It has no fixed "correct" level to revert to: the 15:1 of the bimetallic era was an act of legislation, not a natural equilibrium, and using it as a target is a category error.

It is also asymmetric in character. Silver is a much smaller, less liquid market than gold, with roughly half its demand coming from industry. That makes silver the more volatile leg by a wide margin, which means the ratio mostly tells you what silver has been doing.

In the app Metal Ratios charts Gold/Silver alongside Gold/Platinum, Gold/Palladium, Silver/Platinum and Gold/Copper, each over the same fifteen-year history — so you can see whether a move is specific to one pair or part of a broader repricing.

This guide is educational. It is not a recommendation to buy or sell any metal, and nothing here should be read as advice about your own circumstances.