id,product_id,bank_id,rate_type,rate,tier_floor,tier_ceiling,tenor_months,currency,snapshot_date,valid_from,note,source_document_id
leerau:sparkonto_fix_90:credit,leerau:sparkonto_fix_90,leerau,credit,,,,3,CHF,2026-05-30,2026-01-01,"Sparkonto Fix 90 (3 Monate). Fixer Zinssatz, auf Anfrage.",