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Correction channel

Report a data or formula problem

Send the page URL, provider source, observed value, and why the published result is wrong.

Use a public source link. Do not submit passwords, account keys, private classroom material, or billing records.

This route is for corrections, product problems, security, accessibility, privacy, and rights requests. Sales pitches, guest posts, link exchanges, and service offers are not reviewed.

What happens next

  1. The source and retrieval date are checked.
  2. The problem is classified as source, normalization, formula, presentation, or freshness.
  3. The corrected result is recalculated and checked against the affected pages.
  4. A dated changelog entry states the affected route and result.

Historical receipts

A corrected dataset does not change the inputs encoded in an older receipt URL. The current page can calculate a new answer, while the old URL still states the assumptions that produced it.