{"data":[{"date":"2026-06-13","flex_eur_mwh":153.89},{"date":"2026-06-14","flex_eur_mwh":147.01},{"date":"2026-06-15","flex_eur_mwh":163.95},{"date":"2026-06-16","flex_eur_mwh":182.35},{"date":"2026-06-17","flex_eur_mwh":121.63},{"date":"2026-06-18","flex_eur_mwh":381.08},{"date":"2026-06-19","flex_eur_mwh":218.26},{"date":"2026-06-20","flex_eur_mwh":194.11},{"date":"2026-06-21","flex_eur_mwh":158.88},{"date":"2026-06-22","flex_eur_mwh":232.72},{"date":"2026-06-23","flex_eur_mwh":445},{"date":"2026-06-24","flex_eur_mwh":554.27},{"date":"2026-06-25","flex_eur_mwh":381.95},{"date":"2026-06-26","flex_eur_mwh":380.37},{"date":"2026-06-27","flex_eur_mwh":297.87},{"date":"2026-06-28","flex_eur_mwh":200.3},{"date":"2026-06-29","flex_eur_mwh":422.21},{"date":"2026-06-30","flex_eur_mwh":620.53},{"date":"2026-07-01","flex_eur_mwh":263.46},{"date":"2026-07-02","flex_eur_mwh":167.75},{"date":"2026-07-03","flex_eur_mwh":158.58},{"date":"2026-07-04","flex_eur_mwh":144.88},{"date":"2026-07-05","flex_eur_mwh":146.98},{"date":"2026-07-06","flex_eur_mwh":142.86},{"date":"2026-07-07","flex_eur_mwh":169.06},{"date":"2026-07-08","flex_eur_mwh":109.73},{"date":"2026-07-09","flex_eur_mwh":172.4},{"date":"2026-07-10","flex_eur_mwh":142.63},{"date":"2026-07-11","flex_eur_mwh":156.97},{"date":"2026-07-12","flex_eur_mwh":146.39}],"meta":{"zone":"SK","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."}}