Global markets: bonds, currencies and oil
How US Treasuries, Japanese government bonds, European spreads, sterling and dollar-priced oil can reach UK bills, mortgages and investment returns. A plain-English framework with dated September 2026 evidence and conditional connections. Figures are historical observations or explicitly labelled illustrations and forecasts.
Educational documentary. Not financial or investment advice.
In these topics
Chapters
- Why your mortgage has a world map
- What a bond yield tells you
- US Treasuries: the global reference
- Japan: when money can come home
- Europe: three borrowers, one comparison
- What widening spreads can mean
- Sterling: the price of crossing borders
- Oil: a dollar price on everyday life
- The possible chain, step by step
- Reading the next headline
Sources and credits
Photo credits (Wikimedia Commons)
- Berlin — Reichstag exterior, 13 July 2026: NutzerAusBerlin, CC0 - https://commons.wikimedia.org/wiki/File%3ABerlin_20260713_Reichstag.jpg
- Paris — Hôtel de Ville west façade, 27 June 2026; city background, not the sovereign debt office: Julian Lupyan, Public domain - https://commons.wikimedia.org/wiki/File%3AH%C3%B4tel_de_Ville%2C_Paris%2C_France.jpg
- Rome — street photograph, 27 July 2026; city background: Phoe121, CC0 - https://commons.wikimedia.org/wiki/File%3ARome_Streets.jpg
- Crude-oil tanker Advantage Smooth, IMO 9999620, Calandkanaal, Netherlands, 25 May 2026; illustrative tanker, not a UK/Japan shipment: Alfvanbeem, CC0 - https://commons.wikimedia.org/wiki/File%3AAdvantage_Smooth%2C_Crude_Oil_Tanker%2C_IMO_9999620%2C_Calandkanaal_pic1.jpg
- Port of Nagoya, Japan — harbour and docks, 23 February 2026; port background, not evidence of a specific oil shipment: Syced, CC0 - https://commons.wikimedia.org/wiki/File%3APort_of_Nagoya%2C_February_2026_%2817707%29.jpg
Primary sources
- Federal Reserve Bank of New York, Michael Fleming et al., Staff Report 1146, U.S. Treasury Market Functioning from the GFC to the Pandemic, April 2025 - Treasuries benchmark other securities, support collateral and reserve roles, and depend on liquidity.
- Federal Reserve Board, Yield Curve Models and Data, last updated 5 November 2019 - nominal term-structure model decomposes yields into expectations and term-premium components; used only to distinguish long yields from the short policy rate.
- Bank of Japan, Changes in the Monetary Policy Framework, 19 March 2024 - end of negative-rate/YCC framework; overnight guide around 0-0.1%, effective 21 March 2024.
- Bank of Japan, Change in the Guideline for Money Market Operations, 18 September 2026 - overnight guide around 1.25%, effective 24 September 2026; a policy rate, not a ten-year JGB yield.
- International Monetary Fund, Global Financial Stability Report, April 2023, Box 1.4 - Japanese banks and life insurers sold $200 billion of foreign bonds in 2022 as JGB yields and FX hedging costs rose; a historical completed-year total.
- IMF, Global Financial Stability Report, April 2026, Chapter 1, Box 1.1 - domestic yield changes can affect overseas allocations; mandates typically adjust gradually; used conditionally, no particular sale asserted.
- European Central Bank, Financial Stability Review, November 2025, Chart 2.2, observations to 18 November 2025 - French OAT and Italian BTP ten-year yields compared against German Bunds; political uncertainty widened the French spread; historical example only.
- ECB, Economic Bulletin Issue 6, September 2026, Financial market developments, Charts 15-16 - review period 11 June-9 September 2026; synchronised global yield increases, euro-area sovereign yields largely followed risk-free rates.
- Bank of England, Who sets exchange rates?, last updated 6 May 2020 - supply and demand determine sterling; higher relative rates can support demand; stronger sterling can lower import costs, other things equal.
- US Energy Information Administration, Short-Term Energy Outlook, released 9 September 2026 - August 2026 crude average $91/barrel (observation); Brent H2 2026 average forecast about $90/barrel.
- Bank of England, Monetary Policy Summary and Minutes, published 17 September 2026 (meeting ending 16 September) - Bank Rate held at 3.75%; August annual CPI inflation 3.1%; Brent $106/barrel at close of business 14 September; UK two-year fixed mortgage rates around 95 basis points above pre-conflict levels.
- Valerie Herzberg, George Kapetanios and Simon Price, Bank of England Working Paper 182, Import prices and exchange rate pass-through: theory and evidence from the United Kingdom, 26 March 2003 - sterling appreciation beginning in 1996 passed slowly and incompletely into import prices; historical evidence.
- Bank of Japan, Market Operations in Fiscal 2016, Financial Markets Department, 14 July 2017 - negative-rate policy introduced January 2016; yield curve control introduced September 2016.
- ECB, Ten years of the euro: Successes and challenges, 6 May 2009; Benoit Coeure, The euro area sovereign debt market: lessons from the crisis, 28 June 2012; European Commission, Public Finances in EMU 2010; checked 5 October 2026 - euro launch 1 January 1999; sovereign crisis events from 2010 through 2012, a historical sequence, not measured bond yields.
Not regulated financial advice.