{"object_type":"df_transaction_reference","event_type":"Data-Driven Acquisition","buyer":"Deutsche B\u00f6rse","seller":"ISS STOXX (remaining 20%)","asset_description":"ESG, governance and financial intelligence datasets","reported_price":"$1,257,000,000","confidence":"High","region":"Global","_attribution":{"source":"DatFlash","publisher":"DataUniversa","retrieved":"2026-02-01","note":"Observed transaction reference. No normalization or appraisal applied."}}