Business Engine ep01: The Spreadsheet That Ran Out of Rows (+2 More Excel Traps) 📊
Spreadsheet errors: the PHE Excel row limit, Reinhart-Rogoff and JPMorgan's London Whale VaR spreadsheet.
Last checked 2026-10-18 on the official pages.
The Business Engine channel ↗
Companies in this episode
- JPMorgan Chase · Banking
Evidence used
JPMorgan's annual report attributes major losses to CIO's synthetic credit portfolio. verified
CIO incurred losses of $5.8 billion from the synthetic credit portfolio for the six months ended June 30, 2012
- C-08 — channel evidence reference; source mapping pending.
- C-09 — channel evidence reference; source mapping pending.
Company filing evidence provides additional context:
JPMorgan Chase
JPMorgan's Markets business combines transaction-related revenue with net interest income. verified
Markets revenue consists of principal transactions, fees, commissions and other income, as well as net interest income.
JPMorgan's annual report attributes major losses to CIO's synthetic credit portfolio. verified
CIO incurred losses of $5.8 billion from the synthetic credit portfolio for the six months ended June 30, 2012
Frequently asked questions
What does this episode cover?
Spreadsheet errors: the PHE Excel row limit, Reinhart-Rogoff and JPMorgan's London Whale VaR spreadsheet.