There is one thing to keep in mind. Day-ahead prices are often quoted because they are public and objective. But day-ahead trading, at least in The Netherlands,

There is one thing to keep in mind. Day-ahead prices are often quoted because they are public and objective. But day-ahead trading, at least in The Netherlands, is only about 30% of the electricity market. If you look at consumers, only a tiny minority has an electricity contract that is directly based on day-ahead prices.