A Big Mac in Denmark costs DKK 46 in the July 2026 edition of the index. It cost DKK 46 in January too — not a krone of movement, not an øre. In dollars it slipped from $7.1426 to $7.0373, a 1.474% fall, and Denmark dropped four places in the global ranking from 5th to 9th out of 54 without touching its own price tag. That much I expected — frozen local prices are the normal state of this dataset. What I didn’t expect was the number in the euro column. It lands on top of an argument I published in May and said I was confident about.
A peg on the menu board
Denmark is not in the euro. The krone is instead held stable against the euro under Danmarks Nationalbank’s fixed exchange rate policy, and that policy is Danish monetary policy — the bank moves rates to defend the exchange rate, not to target Danish inflation. Denmark gave up the instrument and kept the flag.
That trade is usually described in central-bank language. It also shows up on a menu board, which is the version I can price.
One caveat on sourcing. There is a published ERM II central rate and a published fluctuation band — I could not get either off Danmarks Nationalbank or the ECB while writing this, since both sites errored on every path I tried. So I won’t quote a figure I couldn’t verify at source. I’ll use the rate the index’s own conversion factors imply instead — checkable by anyone with the CSV.
The dollar_ex column gives DKK per USD and EUR per USD for the same day. Divide one by the other and you get DKK per EUR:
| Edition | Menu price | DKK per USD | EUR per USD | Implied DKK/EUR | Burger in EUR |
|---|---|---|---|---|---|
| Jan 2024 | DKK 39 | 6.85195 | 0.91865 | 7.45872 | €5.2288 |
| Jul 2024 | DKK 39 | 6.89590 | 0.92413 | 7.46205 | €5.2264 |
| Jan 2025 | DKK 39 | 7.10770 | 0.95247 | 7.46239 | €5.2262 |
| Jul 2025 | DKK 45 | 6.42405 | 0.86073 | 7.46349 | €6.0294 |
| Jan 2026 | DKK 46 | 6.44025 | 0.86192 | 7.47198 | €6.1563 |
| Jul 2026 | DKK 46 | 6.53660 | 0.87439 | 7.47561 | €6.1533 |
Six-month drift, January to July 2026: +0.0486%. Total range across all six editions in that table: 0.2265%. Over the same six months the dollar moved 1.496% against the krone and the Australian dollar moved 6.041%. The euro moved five hundredths of one percent.
That’s the peg, visible without any central bank publication. And the method checks out against the dataset’s own arithmetic — take January 2025, where the implied rate puts the Danish burger at €5.2262 against a euro-area price of €5.67. That’s −7.83%. The CSV’s EUR_raw column for Denmark in January 2025 reads −0.07827. Same number to three decimals, derived two different ways.
Which brings us to the July 2026 reading. Denmark’s burger converts to €6.1533. The euro-area aggregate is €6.19. The gap is −0.592% — the Danish Big Mac is cheaper than the euro-area number, by less than four euro cents.
Against the dollar Denmark still looks expensive, and it is. At $7.0373 the krone reads +13.140% overvalued on the raw measure, against a US burger that costs $6.22. Only eight entries in the July edition print a dearer Big Mac, and one of those eight is the euro-area aggregate itself. Denmark is the fifth-priciest European country, behind Switzerland at $9.0419, Norway at $8.0532, Britain at $7.4002 and Sweden at $7.1614 — and then, four cents later, the euro area at $7.0792. That four-cent gap is the entire subject of this article.
The control experiment I didn’t plan
On 25 May I published The Eurozone Big Mac Aggregate Is a Fiction. Five months of country deep-dives, five member states, one thesis: the single “EUZ” row collapses Spain at €5.40 and France at €6.35 into one line — a 17% spread on the single-burger axis, 30% on combos — and the resulting number “doesn’t correspond to any actual menu board.”
Nine weeks later the July edition landed. It handed me Denmark. That is what you get for publishing a thesis with a six-month data refresh already on the calendar — I had the release date in my own notes and wrote the confident version anyway.
Here is the ranking that hurts. Sort all 54 countries in the July 2026 edition by how far their burger sits from the euro-area aggregate — that’s the EUR_raw column, and the euro area is 0% by construction. The closest country to the euro-area price is not in the euro area:
| Rank | Country | EUR_raw | USD price |
|---|---|---|---|
| — | Euro area | 0% (base) | $7.0792 |
| 1 | Denmark | −0.592% | $7.0373 |
| 2 | Sweden | +1.161% | $7.1614 |
| 3 | Costa Rica | −1.181% | $6.9956 |
| 4 | Turkey | −2.378% | $6.9109 |
| 5 | Britain | +4.534% | $7.4002 |
Denmark is first out of 53. I sorted the file rather than eyeballing it. I wanted to be wrong.
Now hold that against the five member states I actually went and priced. The May snapshot in the pillar ran Spain €5.40, Italy €5.90, Netherlands €6.10, Germany €6.30, France €6.35 against an aggregate of roughly €6.10 — so Spain missed by about 11%, France and Germany by 3–4%, Italy by 3%, and only the Netherlands landed on the number. The Netherlands is also the one country in that sample I flagged as the least representative, because its €13.30 Voordeelmenu is the most idiosyncratic combo price in the union.
Those are May figures against a May aggregate; Denmark’s are July against July, and the euro-area price rose from €6.00 to €6.19 in between — I’m not pretending the two sit on the same day. The shape survives the caveat. Of the five euro members I put real sourcing hours into, four sit further from their own aggregate than Denmark sits from its — and the one that beats Denmark is the one I told readers not to trust as typical.
Now put that next to the reader receipt that arrived a few weeks ago. A till receipt from a commune of about 11,000 in Pas-de-Calais — an actual French town, in the actual euro, in the department with France’s second-lowest median living standard — prices its standalone Big Mac at €6.40 dine-in. That’s +3.4% above the €6.19 aggregate. Denmark, which has its own currency, its own central bank, and no euro at all, misses by −0.6%.
A country outside the currency union tracks the union’s average price better than a town inside it. That’s the fact. I’m not going to pretend it’s comfortable — the whole point of the May piece was that the aggregate describes nowhere, and here is somewhere it describes to within four cents.
Where the aggregate holds
So does the euro-area aggregate predict Denmark? No — and the direction of the arrow is the whole story.
Watch both series move. The Danish burger in euro terms: €5.23, €5.23, €5.23, €6.03, €6.16, €6.15 across the last six editions. Three flat readings, then one jump. The euro-area aggregate over the same six editions: €5.39, €5.60, €5.67, €5.96, €6.00, €6.19 — a steady climb, every single period.
Denmark’s jump came in July 2025, when McDonald’s Danmark took the burger from DKK 39 to DKK 45, a 15.4% local increase in one step. Another krone followed in January 2026, to DKK 46. Then it stopped. The euro area kept climbing, went from €6.00 to €6.19 between January and July 2026 — +3.167% — and walked straight past a Danish price that hadn’t moved since New Year.
That’s why the January reading was +2.606% and the July reading is −0.592%. Denmark stood still. The aggregate crossed it. Nothing converged — two independent pricing systems happened to intersect, and the crossing is legible in clean form only because the peg had already stripped every scrap of currency noise off the Danish side. In two and a half years the FX contribution to Denmark’s euro price is 0.23%. Everything else on that line is a franchise deciding to reprice.
That inverts the usual reading. Denmark isn’t following the euro area’s burger — the euro area walked into Denmark’s, and the only reason you can watch it happen is that one of the two was standing still on purpose.
What it looks like from Australia
I write this from Australia, where the local Big Mac is A$8.50 and has been A$8.50 since the January edition. Two frozen menu boards, one in Copenhagen and one here. Convert the Danish burger through the same dollar_ex trick:
| Edition | Implied DKK per AUD | Danish burger in AUD | vs local A$8.50 |
|---|---|---|---|
| Jan 2026 | 4.31465 | A$10.6614 | +25.43% |
| Jul 2026 | 4.57529 | A$10.0540 | +18.28% |
A Danish Big Mac got 5.697% cheaper for me in six months. No Danish price changed. No Australian price changed. The Australian dollar did all of it — and since the krone is bolted to the euro, what I’m actually watching is AUD against EUR wearing a Danish costume. The premium for eating in Copenhagen instead of here fell from a quarter to under a fifth without a single menu being reprinted. Sixty-one cents, from nowhere. You can run the same conversion for any pair on the currency calculator.
There’s a working rule in that for anyone pricing across borders — and I do, since App Store tiers are where this problem lands in my own income. A pegged market you can quote in euro terms and mostly forget. A floating one needs requoting every time the pair moves — twice a year, minimum, for AUD against the Nordics.
The regime, not the border
This is the part I think generalises. The euro-area aggregate isn’t a fact about 19 governments — it’s a fact about one monetary regime, and an economy that imports the regime imports the price level bolted to it. Denmark imports it by policy. Its burger therefore behaves like a euro-area burger even though Denmark declined to make it one.
The rest of non-euro Europe is the counter-sample. It isn’t subtle. Same edition, same aggregate, eight currencies that all trade against the euro every day:
| Country | Currency | Menu price | Local change Jan→Jul | vs euro area |
|---|---|---|---|---|
| Switzerland | CHF | 7.30 | 0.0% | +27.725% |
| Norway | NOK | 78 | +2.6% | +13.758% |
| Britain | GBP | 5.49 | +3.8% | +4.534% |
| Sweden | SEK | 69 | +3.0% | +1.161% |
| Denmark | DKK | 46 | 0.0% | −0.592% |
| Poland | PLN | 23.50 | +3.5% | −12.161% |
| Czech Republic | CZK | 115 | 0.0% | −23.238% |
| Hungary | HUF | 1,660 | 0.0% | −25.168% |
Top to bottom that’s a 52.9-point spread — Switzerland to Hungary, all of it inside a two-hour flight radius of the euro area. The one currency that isn’t allowed to move sits closest to the middle.
And here’s where I have to slow down, because the neat version is too neat. Sweden floats freely, has no peg, and lands at +1.161% — near enough that a peg clearly isn’t required to sit next to the aggregate. So the claim can’t be “pegging puts you on the number.” The narrower claim is the one that holds: pegging means Denmark’s position can’t move for currency reasons. Sweden’s +1.161% could be gone by the January edition on a krona swing alone, with no Swede repricing anything. Denmark’s −0.592% can only change if somebody reprints a menu. Same distance today, completely different half-life — and the aggregate has predictive power over a currency arrangement, not over a border. Full country context sits on the Denmark page and the euro area page.
What this costs my own argument
The May piece said the EUZ number “produces a number that doesn’t correspond to any actual menu board.” As written, that sentence is wrong. It corresponds to a Danish menu board, in the July 2026 edition, to within four euro cents.
I’d rather revise it than quietly leave it up. But precision matters about which part broke — the load-bearing claim didn’t.
The pillar’s core finding was that the aggregate hides the spread between members — Spain €5.40, France €6.35, a 17% gap inside one currency, plus that Pas-de-Calais receipt above the mean. Denmark matching the aggregate does nothing to that. Knowing the euro-area average predicts Denmark tells you exactly zero about whether it predicts Spain, and it doesn’t. What Denmark kills is the stronger corollary I let ride alongside it — the implication that the aggregate has no predictive content at all. It has some. It just isn’t pointed where the country labels suggest.
There’s a second cost, and this one runs the other way. Denmark matches the aggregate on price and misses it badly on income. The GDP-adjusted column puts Denmark at −7.289% against the euro area, not −0.592%. The reason is in the GDP_bigmac field: Denmark 68,986 versus the euro area’s 44,687 — Denmark is 54.4% richer per head than the aggregate it’s being compared to. On the raw measure it’s a dead-on match. On the income-adjusted measure it’s 7.3% cheap. Those two readings disagree by 6.7 points, and only one of them is the one I built a section on. Against the dollar the same split shows up: +13.140% raw, +19.728% adjusted. The limits of PPP work start exactly at this seam.
And the −0.592% has a shelf life. Denmark’s EUR_raw history is not a flat line — +29.3% in April 2000, +26.1% in January 2015, −7.8% in January 2025, +2.6% in January 2026, −0.6% now. Six months ago the same country was on the other side of the aggregate. To treat July 2026 as a standing fact about Denmark would be 刻舟求剑 — notching the gunwale where the sword went in, then looking for it there after the boat has moved. The peg is durable. The price match is a crossing, and crossings end.
So the honest revision isn’t to the conclusion. It’s to the unit. I wrote the May piece as if the Big Mac Index measures countries and the euro area is a bad country; what Denmark shows is that the index measures monetary regimes that happen to be filed under country names, and by that standard EUZ isn’t a fake country — it’s a real regime with a membership list that doesn’t match its own label. Denmark belongs on that list. Half the sampling problem in the July 2026 edition is that nobody publishes it that way, mine included; the methodology page says how I currently do it, which is still by border.
Sweden sits 1.161% on the other side of the same aggregate with a krona that floats freely and no peg at all. Either that’s the control for my control, or it’s the thing that takes the regime story down entirely. 且看下回.