The prestige whisky really outperform traditional investments? The figure that draws attention is spectacular: according to the Knight Frank Luxury Investment Index, the value of rare whiskies rose by just over 190% over ten years. Taken in isolation, this result gives the impression of an unbeatable investment. But for an individual investor, the right question is not only “how much did the index gain?”: liquidity, fees, the condition of the bottle and ease of resale also need to be considered.

Comparing prestige whisky with the CAC 40, gold or the Livret A therefore requires resisting simplistic conclusions. The available data do not all cover the same period: whisky is documented over ten years, the CAC 40 through an average return since 2001, and gold through a twenty-year comparison between 1998 and 2018. As for the Livret A, no usable figure is available here. One useful conclusion can nevertheless be drawn: the reported performance of rare whisky is remarkable, but it does not automatically translate into a net return for someone who buys a bottle.

Rare whisky, CAC 40 and gold: what do the figures really say?

The starting point is the +190% over ten years attributed to rare whiskies by the Knight Frank Luxury Investment Index. This is an increase in value observed across a category of collectible assets, not a promise that a bottle bought today will do the same tomorrow.

For the CAC 40, another data series indicates an average return of 1.25% per year excluding dividends and 4.15% including dividends since 2001. The same dataset also notes that the CAC 40 has experienced several negative years or years with no growth. This volatility is precisely what encourages some investors to seek alternative assets.

Gold offers yet another point of comparison. A sum of €100 invested in physical gold at the end of 1998 would have been worth €453 at the end of 2018, compared with €194 for €100 invested in an asset indexed to the CAC 40 over the same period, excluding custody fees. Here again, the period is twenty years rather than ten: it would be misleading to line these figures up as though they came from a race run over the same distance.

The most useful comparison is not to look for an absolute “winner”, but to examine what each figure actually measures and what it leaves out.

The Livret A cannot be compared fairly here: no ten-year return is documented in the references used. The same applies to real estate, even though the question often comes up. It is better to acknowledge this limitation than to manufacture an artificial comparison.

Why a whisky index is not your personal return

Rare Whisky 101 tracks the value of collectible bottles using an approach similar to a stock-market index. The service distinguishes, among other things, market indices, indices devoted to certain distilleries and indices covering particular collections. Its database covers 235 distilleries, 90,443 bottles and more than 1.62 million records.

This depth of data is useful for observing a market, but it does not solve the investor’s main problem: an index does not pay purchase costs or selling commissions, nor does it adjust for differences in condition or storage conditions. Two bottles with the same reference may therefore not resell for the same price.

This is also what distinguishes whisky from a conventional portfolio holding. A listed share has a visible market price and organised liquidity. A physical bottle has to find a buyer, be assessed and be accepted in a condition deemed satisfactory. The gross return of an index is therefore a benchmark, not a guaranteed result in your pocket.

Multi-million-euro records should not be used as a model

Spectacular sales reinforce the image of a market in which every rare bottle will eventually soar in value. In early 2024, a bottle of The Emerald Isle, a 30-year-old triple-distilled single malt, was purchased for around €2.43 million. A few months earlier, in November 2023, a bottle of The Macallan 1926 had been sold in London for €2.5 million.

These records prove that an extremely high-end segment exists, but they say nothing about the price at which a more accessible bottle can be resold. That is an essential distinction. A market can produce exceptional auction results while remaining much more difficult for mid-range references.

How to invest without confusing collecting with a promise of profit

1. Start with data, not sales talk

Before buying, check whether the bottle or distillery is tracked by a recognised index and whether value histories exist. Rare Whisky 101 is notably used for valuations by private collectors, banks, notaries, major estates and insurance companies. This does not guarantee future performance, but it provides a more solid framework than a seller’s simple sales pitch.

2. Factor in hidden costs immediately

A displayed price increase is not a net gain. Selling commissions, purchase-related costs, storage conditions and the condition of the bottle can significantly reduce the final result. The right discipline is therefore to think in terms of the price at which you could actually resell, rather than only the curve of an index.

3. Plan the exit before buying

Rare Whisky 101 also distinguishes bottles, which offer greater liquidity, from casks, which are presented as having more long-term profit potential. For an individual, this difference is crucial: an asset that theoretically rises in value but is difficult to resell can tie up capital for much longer than expected.

4. Reject numbers that look too good when their source is weak

Some commercial websites claim even more impressive performance, such as +890% over twenty years or an outperformance of 280% versus the S&P 500 over ten years. These figures are not corroborated here by a verifiable primary source. They can be a signal to investigate further, but not a sufficient basis for deciding on an investment.

Taxation, legality and counterfeiting: where the greatest caution is needed

This is the least satisfactory point for someone who wants to take action: the available references do not make it possible to establish precisely the French tax regime applicable to the resale of collectible whisky, nor the detailed VAT or capital-gains rules. They also do not document a complete procedure for legal resale in France.

The same caution applies to rare fakes and counterfeits. No reliable authentication protocol is documented here. It would therefore be unwise to present a list of “infallible signs”. The reasonable approach is to treat authenticity, provenance, condition and resale terms as points to have verified before any major purchase, rather than improvising from a few photos.

In practice, this means that before a significant transaction, taxation and the exact resale arrangements should be validated with a competent professional. Whisky can be a diversification asset; it does not remove the need for a clear legal and tax framework.

So, is it a better investment than the stock market? Not so fast

Rare whisky has a strong numerical argument: more than 190% growth over ten years according to the Knight Frank Luxury Investment Index. That is high enough to justify the interest it attracts. But this performance must be read with its limitations: it does not include all the costs borne by the buyer, it does not guarantee liquidity, and it protects neither against poor selection nor against authenticity problems.

Compared with the CAC 40 or gold, whisky is therefore not simply “better” or “worse”. It works differently. My view is that its most logical place is as an alternative diversification asset, reserved for a portion of wealth that can be tied up and whose constraints are understood. A rare bottle may beat an index over a given period; that does not mean it replaces the simplicity, transparency and liquidity of a conventional financial investment.