{"data":[{"date":"2026-06-13","flex_eur_mwh":189.04},{"date":"2026-06-14","flex_eur_mwh":198.66},{"date":"2026-06-15","flex_eur_mwh":175.65},{"date":"2026-06-16","flex_eur_mwh":227.09},{"date":"2026-06-17","flex_eur_mwh":136.88},{"date":"2026-06-18","flex_eur_mwh":374.36},{"date":"2026-06-19","flex_eur_mwh":269.67},{"date":"2026-06-20","flex_eur_mwh":252.23},{"date":"2026-06-21","flex_eur_mwh":172.14},{"date":"2026-06-22","flex_eur_mwh":232.14},{"date":"2026-06-23","flex_eur_mwh":438.43},{"date":"2026-06-24","flex_eur_mwh":546.6},{"date":"2026-06-25","flex_eur_mwh":508.68},{"date":"2026-06-26","flex_eur_mwh":448.88},{"date":"2026-06-27","flex_eur_mwh":374.42},{"date":"2026-06-28","flex_eur_mwh":246.2},{"date":"2026-06-29","flex_eur_mwh":684.49},{"date":"2026-06-30","flex_eur_mwh":840.09},{"date":"2026-07-01","flex_eur_mwh":507.41},{"date":"2026-07-02","flex_eur_mwh":174.29},{"date":"2026-07-03","flex_eur_mwh":176.95},{"date":"2026-07-04","flex_eur_mwh":165.98},{"date":"2026-07-05","flex_eur_mwh":140.88},{"date":"2026-07-06","flex_eur_mwh":156.35},{"date":"2026-07-07","flex_eur_mwh":159.81},{"date":"2026-07-08","flex_eur_mwh":116.56},{"date":"2026-07-09","flex_eur_mwh":171.53},{"date":"2026-07-10","flex_eur_mwh":142.06},{"date":"2026-07-11","flex_eur_mwh":160.79},{"date":"2026-07-12","flex_eur_mwh":145.35}],"meta":{"zone":"HU","index":"FLEX-2H v1.0","unit":"EUR per MWh of shifted energy","method":"Max of avg(discharge 2h window) \u2212 avg(charge 2h window) over the published day-ahead 15-minute curve, charge completing before discharge. Methodology is versioned and immutable; see voltcast.com\/indices.","license":"Free to view and quote with attribution (\"Voltcast Flex Index\"). Commercial referencing (contracts, settlement, indexation) requires a license: sales@voltcast.com."}}