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Corrections and contact
Help us correct a calculation or source
Use the public issue tracker for reproducible calculation, source, freshness, content, accessibility, or privacy problems. Do not include account numbers, tax identifiers, addresses, or other sensitive financial information.
Last reviewed: 10 July 2026
What to include
- The calculator URL and the exact label or output that appears wrong.
- Inputs that reproduce the issue, using invented values if the real values are sensitive.
- The expected result and an official source or independent calculation where available.
- For live data, the displayed source, status, and last-updated timestamp.
What happens next
Reports can be discussed publicly, linked to a code fix, and closed with a verifiable explanation. Urgent market-data failures can also be detected by the automated health endpoint, but a report helps identify regional or browser-specific problems.