valuation: add bubble cause analysis to current ledger

Cai

2026-08-09 0af27bb8065d68281593a5efb2fe64ea8e8d7d57

1
{"success":true,"result":{"data":[{"SECURITY_CODE":"001270","REPORT_DATE":"2026-08-01","RATING_ORG_NUM":4,"YEAR1":2026,"YEAR1_NET_PROFIT":170666666.67}]}}