What Is the Gold-Silver Ratio and Why UK Stackers Should Care

Learn what the gold-silver ratio is, how UK stackers use it to time purchases, and what the current ratio means for your precious metals strategy in 2026.

Understanding the Gold-Silver Ratio

The gold-silver ratio tells you how many ounces of silver it takes to buy one ounce of gold. It is calculated by dividing the gold spot price by the silver spot price. In early 2026, the ratio sits above 80, meaning silver is historically cheap relative to gold.

This single number has been tracked by traders and investors for centuries. The ancient Egyptians set it at 2.5:1, the Roman Empire fixed it at 12:1, and the US Coinage Act of 1792 established it at 15:1. Today the ratio floats freely on global markets and tends to fluctuate between 40 and 90 in normal conditions, though it has hit extreme values during periods of market stress.

Why Does the Ratio Matter?

The ratio has averaged around 60 over the past century, though it has swung dramatically — from below 20 in 1980 to above 120 in March 2020. Stackers watch it because extreme readings often signal opportunity.

When the ratio is high (above 80), silver is undervalued relative to gold. Some investors buy more silver, expecting the ratio to fall. When it drops below 50, gold becomes the better relative value.

The ratio matters because precious metals do not move in lockstep. Gold and silver respond differently to economic conditions. Gold tends to lead during flights to safety, while silver often catches up — and overshoots — during recovery periods. Understanding this dynamic gives you a framework for making smarter buying decisions rather than simply chasing the spot price.

How UK Stackers Use It

The most popular strategy is simple: when the ratio is high, favour silver purchases. When it falls, shift toward gold. This is not market timing in the traditional sense — you are not trying to predict prices, just buying whichever metal offers better relative value at the time.

Many stackers set personal thresholds. For example, they might buy mostly silver when the ratio is above 75 and shift toward gold when it drops below 55. Others use a sliding scale, gradually increasing their silver allocation as the ratio rises. There is no universally agreed "right" threshold, but the principle of buying the relatively cheaper metal has rewarded patient stackers over decades.

If you are new to precious metals, our guide to buying gold in the UK explains the fundamentals before diving into ratio strategies.

Real-World Example

In March 2020, the ratio hit 120 — one of the most extreme readings in modern history. Global markets were panicking and silver was being dumped alongside industrial commodities. Stackers who recognised this as an anomaly and bought silver at that point saw it significantly outperform gold over the following two years as the ratio compressed back toward 70.

Those who bought silver at £12 per ounce during that dip watched it climb to over £20 within 18 months, a gain of more than 65%. Meanwhile gold gained a more modest 15% over the same period. Some stackers then rotated a portion of their silver profits into gold, effectively using the ratio to increase their total precious metals holdings without adding new capital. This trade — buying the undervalued metal and rotating when the ratio normalises — is one of the most effective long-term strategies available.

Tax Implications for UK Buyers

Remember that gold Britannias and Sovereigns are CGT exempt in the UK, while silver carries VAT on purchase at 20%. This means the ratio strategy works best when you factor in the total cost of ownership. Sometimes gold's tax advantage outweighs silver's ratio discount.

For example, if the ratio is 85 but silver carries 20% VAT, the effective ratio after tax is closer to 70 from a total cost perspective. This is why some UK stackers set a higher threshold for switching to silver — they need the ratio to be extreme enough to overcome the VAT disadvantage.

It is also worth noting that silver's VAT cost is only relevant at the point of purchase. If you are buying for the long term and expecting significant appreciation, the VAT becomes a smaller percentage of your total return over time. The key is understanding your personal tax position and time horizon.

Whichever metal you favour based on the ratio, proper storage is essential. Our precious metals storage guide covers home safes, vault options, and insurance considerations for both gold and silver.

Current Outlook

With the ratio above 80, silver looks historically undervalued. However, gold's tax advantages in the UK mean the "right" ratio to switch at depends on your individual tax position and goals.

Industrial demand for silver continues to grow, driven by solar panel manufacturing, electric vehicles, and electronics. Some analysts believe this structural demand shift could support a sustained move lower in the ratio over the coming decade, making current levels an attractive entry point for silver.

The best approach is to track the ratio alongside your own targets. Use it as one input, not the only one. Discuss strategies with other stackers in The Bullion Safe forum — the "Gold vs Silver" debate is always lively.

For more on the comparison, read our gold or silver buying guide.