On one of London’s hottest nights this year, about 350 people cram into a dark theater with no air conditioning to watch 68-year-old Tom Sosnoff trade options live. Wearing his signature gray wool ...

The European Power Exchange (Epex Spot) will switch its day-ahead market from hourly to 15-minute intervals on Sept. 30, a change mandated by the European Union that is expected to improve solar and ...

The French government has decided to cut the settlement time step for power market imbalances from 30 minutes to 15 minutes, in line with a broader shift in the European Union's internal electricity ...