What has changed at Carbon
Every change we have recorded to Carbon's published figures, dated and linked to the source it was read from.
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9 Aug 2026
Carbon changed its listing status from draft to published.
Why this exists.
A comparison site that only shows today's numbers asks you to trust that today's numbers are
right. Keeping every previous value, with the date and the source, means you can check us —
and it means a provider quietly raising a fee is a matter of record rather than a rumour.
Machine-readable version.