Questions and corrections

Contact

Use this page to report a calculation problem, question a source, or suggest a financial question that could become a useful tool.

Last updated August 16, 2026

Contact channel

A monitored contact address will be published here before the public launch. The site does not currently collect messages through an online form.

Reporting a data issue

Include the page URL, the result you received, the result you expected, the relevant date, and a link to the source you believe should be used. Please do not include account details, portfolio records, tax documents, or other sensitive financial information.

Response scope

Messages can be used to correct the site or improve an explanation. FinFirefly cannot answer requests for personalized investment, financial, tax, or legal advice.