Monthly market report
Czechia CZ — May 2026
Day-ahead auction, 2,976 settlement periods, computed from the same data the API serves.
Average price
97.95 €/MWh
+16.21 vs previous month
Negative prices
64.5 hours
258 settlement periods below 0
Avg daily spread
207.41 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
70.79 €/MWh
Extremes
- Cheapest period
- -500 €/MWh May 1, 10:45 UTC
- Priciest period
- 407.31 €/MWh May 28, 18:45 UTC
Top spike days
- 2026-05-28max 407.31 €/MWh
- 2026-05-04max 333.54 €/MWh
- 2026-05-18max 284.93 €/MWh
Work with this data
- → Full 15-minute history via API (2015 onwards)
- → Battery arbitrage backtest against this month's prices
- → Live forecast accuracy for CZ
- → Embed the live price chart on your site — free
Data source: ENTSO-E Transparency Platform (transparency.entsoe.eu). Data source: SMARD.de, Bundesnetzagentur | CC BY 4.0. Derived statistics are Voltcast own-IP output.