Reading
Energy security and power
On this view, Europe is paying for relying on conflict-zone energy, and sanctions hit bystanders.
Explainer · Money and power
What has the Iran war cost Europe so far? The numbers, checked
A viral list tallies the Iran war’s cost to Europe. It gets the direction right, but several numbers are stale and one mixes up the timing.
Updated Friday 30 October 2026. Each figure carries its own date.
What happened
On 28 October Mario Nawfal, a high-volume news aggregator, posted on X that Brent was “approaching the $120 mark”. An anonymous account posted an unsourced list of Europe’s war costs. That evening a wire headline said US Treasury Secretary Scott Bessent called his Iran sanctions a success.
“Since the war began” means since Friday 27 February 2026, the last trading day before US and Israeli strikes on Iran on 28 February.
Oil: two prices
Brent, the main global oil benchmark, has two prices:
- Spot. Dated Brent, the price of physical cargoes, was $123.10 on 27 October (US Energy Information Administration). “Brent” below means this price unless labelled futures.
- Futures. The front-month Brent future (an exchange contract for oil delivered next month) settled at $113.88 that day, about $9 lower (our arithmetic), and at $114.88 on 29 October (Reuters, CNBC).
Futures settled above $116 only once in October ($116.72, 23 October), when Dow Jones put the one-year rise at 77%, not Nawfal’s “more than 80%”. Both prices remain below spring peaks (spot $138.21, 7 April; futures $118.35, 31 March).
Since 27 February (our arithmetic), spot Brent is up 73% and futures 58%.
The list, line by line
A bond yield is the annual return for lending to a government.
| The list said | Official figures show |
|---|---|
| Gas +206% | Roughly right. TTF (Europe’s wholesale gas benchmark): €31.96 per megawatt-hour (27 Feb) to €100.72 (28 Oct), +215% (our arithmetic; secondary reports). |
| Petrol +27% | Stale. Euro area +20.5% (23 Feb to 26 Oct, EU Oil Bulletin); +28% was late September. |
| Diesel +39% | Stale. +35.8%, same dates. |
| Crude +50% | Understated. Spot +73%; futures +58%. |
| Inflation 1.9% to 3.8% | Correct (February to September). Omitted: core inflation (excluding energy, food, alcohol and tobacco) is 2.5%. |
| France 10-year 3.22% to 4.98% | Start wrong. 3.30% (27 Feb) to 4.936% (28 Oct), Banque de France. |
| Germany 10-year 2.65% to 3.38% | Both ends off. 2.76% to 3.43% (27 Feb to 28 Oct), Bundesbank. |
| Euro-area debt up “nearly €492bn” in six months | Wrong figure and period. +€481.5bn, January–June 2026 (Eurostat, provisional; our arithmetic). It began before the war, so it is not purely a war cost. |
| France debt 119.1%; Italy near 140% | Correct. 119.1% and 139.9% of GDP (end-June 2026). |
| ECB raising rates again | Correct until now. The European Central Bank raised rates 0.25 points on 11 June and 10 September, then held them on 29 October. |
What “Operation Economic Outcast” is
Operation Economic Outcast was launched by the US Treasury on 24 August 2026 to cut off Iran’s money. It uses sanctions (penalties such as frozen assets) and secondary sanctions (penalties on outsiders who deal with the target).
What Bessent claims
On CNBC on 28 October Bessent said Operation Economic Outcast “has been very successful”; the wire’s “succeeding” was a paraphrase.
He also said, as Treasury Secretary, that his department’s internal estimates show Iran’s economy may shrink by as much as 25% from March to March. That is his claim: the estimates are unpublished and we could not check them.
Are foreigners dumping US debt?
Luke Gromen, an interested party whose firm FFTT sells a paid research letter arguing US debt is under strain, said on X on 28 October that when oil or the dollar get “too high”, foreigners will sell Treasuries (US government bonds) aggressively: “a Balance of Payments identity” (money flows that must add up).
US Treasury TIC data (official figures on foreign holdings of US securities) partly fit his view. Treasuries held by foreign official holders (central banks and governments) fell $254bn (6.3%) from February to August; as these are market values, part of the drop reflects lower bond prices, not only sales. But private foreigners bought a net $296.5bn of Treasury bonds and notes in the year to August, and total foreign holdings fell just 1.6%. The identity does not say who sells, or how fast.
Brad Setser, a Council on Foreign Relations senior fellow and former Treasury official, said in March that some oil importers were probably selling Treasuries (Financial Times). Writing about China in May, not this episode, he warned about falls in US custody data: “This often is reported as a move out of the dollar—but it need not be.” They can sit with non-US custodians.
Ways of reading the story (viewpoints, not facts)
Ways to read it
Reading
Debt and cycles
On this view, the lasting story is borrowing: higher yields, heavy debt and ECB rate rises.
Reading
Trust in the money system
On this view, the dollar is Washington’s strongest lever, and demand for US debt measures trust.
Reading
A multipolar world
On this view, sanctions bite only as far as other centres cooperate.
Where they agree and differ
All four see prices and borrowing costs sharply up since February; they differ on why, and for how long.
What this means for your wallet
01
Petrol and diesel
Euro area: about €2.03 and €2.20 a litre including taxes (EU Oil Bulletin, 26 October; our conversion), up 20.5% and 35.8% since 23 February. UK: 174.07p and 199.22p (week of 26 October), up 32.2% and 40.8% since the same date (UK government data; our arithmetic).
02
Home gas
Eurostat’s euro-area household average was €0.1164 per kWh including taxes in January–June 2026, below €0.1312 in late 2025; those months were mostly before the wholesale surge. In Great Britain, Ofgem’s October–December price cap is £1,723 a year for typical gas-and-electricity use by Direct Debit, up 4% (Ofgem, 26 August).
03
Groceries
In September, euro-area food, alcohol and tobacco prices were up 1.3% on a year earlier, against 18.9% for energy (Eurostat); UK food and non-alcoholic drink also rose 1.3%, against 3.5% overall inflation (ONS, 21 October).
04
Mortgage rates
The ECB deposit rate, held on 29 October, is 2.50%; new euro-area home loans averaged 3.60% in August, up from 3.54% in July (ECB). The Bank of England held Bank Rate at 3.75% on 17 September; average UK two- and five-year fixed rates were 5.97% and 6.00% on 30 October (Moneyfacts, a commercial data firm).
05
Savings
Euro-area overnight (instant-access) deposits paid households 0.29% on average in August (ECB), below that month’s 3.2% inflation, so such savings lose value. UK individuals’ sight deposits (withdrawable without notice, including interest-bearing current accounts) earned 1.66% in September (Bank of England), below UK inflation of 3.5%.
Glossary
- Dated Brent (spot)
- the price of physical cargoes.
- TTF
- Europe’s benchmark wholesale gas price.
- Bank Rate
- the Bank of England’s main interest rate.
What to watch next
- January Brent becomes the front-month futures contract, which alone can move that price.
- Eurostat’s October inflation flash; the EIA’s next spot update. 5 November: Bank of England rate decision. Weekly: EU and UK pump prices.
In summary
- Spot Brent was $123.10 on 27 October, up 73% since the war began; separately, futures settled at $114.88 on 29 October.
- The viral list gets the direction right, but its pump-price rises are stale and its debt figure covers January–June.
- Bessent calls his Iran sanctions “very successful”; his key numbers are unpublished.
Reflection Point
When energy prices spike, what should European governments put first?
Diesel is up about 36% in the euro area and 41% in the UK since February; France’s debt is 119.1% of GDP.
This is not financial advice.
Sources and notes
Oil prices
- Dow Jones “Data Talk” via Morningstar, Brent settles: 23 Oct (116.72; +77.01% y/y): morningstar.com · 26 Oct: morningstar.com · 27 Oct: morningstar.com · 28 Oct (115.32): morningstar.com
- CNBC, 28 Oct 2026 (Brent $115.32, WTI $102.78): cnbc.com
- CNBC, 29 Oct 2026 (Brent settle $114.88): cnbc.com
- Reuters via StreetInsider, 29 Oct 2026 (Brent settle $114.88): streetinsider.com
- EIA, Europe Brent spot price FOB (Dated Brent), released 28 Oct, next release 4 Nov (re-checked 30 Oct 2026): eia.gov
- Reuters, 27 Feb 2026 (pre-war Brent settle $72.48): reuters.com
Europe’s figures
- European Commission, Weekly Oil Bulletin (23 Feb and 26 Oct prices): energy.ec.europa.eu
- TTF gas, 27 Feb close (ANSA, secondary): ansa.it · 28 Oct (RIM Intelligence, secondary): eng.rim-intelligence.co.jp
- Eurostat, February 2026 inflation flash: ec.europa.eu · September 2026 inflation (16 Oct): ec.europa.eu
- Eurostat, government debt Q2 2026 (21 Oct, provisional): ec.europa.eu
- INSEE, French debt Q2 2026: insee.fr
- Banque de France, daily bond yields (TEC10), e.g. 28 Oct: banque-france.fr
- Eurostat, gas prices for household consumers (nrg_pc_202, euro area, 20–199 GJ band, all taxes; updated 19 Oct 2026): ec.europa.eu
- Bundesbank, German 10-year yield series: api.statistiken.bundesbank.de
- ECB, monetary policy decisions, 11 Jun 2026: ecb.europa.eu · 10 Sep 2026: ecb.europa.eu · 29 Oct 2026 (rates unchanged): ecb.europa.eu
- ECB, euro area bank interest rate statistics, August 2026 (1 Oct 2026): ecb.europa.eu
UK figures
- UK Department for Energy Security and Net Zero, weekly road fuel prices (UK averages including duty and VAT; 23 Feb 2026: petrol 131.71p, diesel 141.46p; week of 26 Oct 2026: 174.07p, 199.22p; updated 27 Oct 2026): gov.uk
- Ofgem, “Energy price cap will rise by 4% from October 2026”, 26 Aug 2026: ofgem.gov.uk
- ONS, Consumer price inflation, UK: September 2026 (21 Oct 2026): ons.gov.uk
- Bank of England, Monetary Policy Summary, 17 Sep 2026 (Bank Rate 3.75%): bankofengland.co.uk
- Moneyfacts, average fixed mortgage rates (commercial data), updated 30 Oct 2026: moneyfactscompare.co.uk
- Bank of England, Effective interest rates, September 2026 (29 Oct 2026; individuals’ sight deposits, series Z6IQ): bankofengland.co.uk
Operation Economic Outcast and Bessent
- White House, 24 Aug 2026: whitehouse.gov
- US Treasury, press release sb0664, 21 Oct 2026: home.treasury.gov
- FinCEN, Operation Economic Outcast and Iran’s shadow fleet: fincen.gov
- CNBC, Bessent interview transcript, 28 Oct 2026 (unofficial transcript): cnbc.com · write-up: cnbc.com
Foreign holdings of US debt
- Financial Times, “Foreign central banks sell US Treasuries in wake of Iran war”, 31 Mar 2026 (paywalled; paraphrased only, not quoted): ft.com
- US Treasury, TIC release for August 2026 (16 Oct): home.treasury.gov
- TIC Table 5, major foreign holders: ticdata.treasury.gov
- Brad W. Setser, “Finding China in the U.S. TIC Data”, Council on Foreign Relations, Follow the Money blog, 18 May 2026 (free, CC BY-NC-ND 4.0): cfr.org
The posts and views discussed
- Mario Nawfal, X, 28 Oct 2026, 11:40 Paris time: x.com
- @macropaperr (anonymous; no sources given), X, 28 Oct 2026, 17:35 Paris time: x.com
- @DeItaone, X, 28 Oct 2026, 21:15 Paris time (wire headline): x.com
- Luke Gromen, X, 28 Oct 2026, 16:10 Paris time (public post only, no FFTT material): x.com
- The Ways to read it box gives our general summaries of common ways of reading the story; they do not quote or speak for any named person.
Every fact is dated and linked; views are labelled as views. Read how we work. Spotted an error? Tell us at [email protected].