id,product_id,bank_id,rate_type,rate,tier_floor,tier_ceiling,tenor_months,currency,snapshot_date,valid_from,note,source_document_id
ca_nextbank:ca_energy:rate_or,ca_nextbank:ca_energy,ca_nextbank,savings_rate,,,,,CHF,2026-06-03,2026-06-01,"Progressive 4-tier rates per ""Account Interest Rates"" document.",