I wouldn't want to opine on "illegal", but, as much as I'm skeptical of privatized energy markets, it's not outlandish to think that if you're dealing with a co

I wouldn't want to opine on "illegal", but, as much as I'm skeptical of privatized energy markets, it's not outlandish to think that if you're dealing with a counterparty that has the ability and inclination to change prices retroactively, you're probably going to add some extra margin up front to compensate for that risk, and on balance, it's not a given that the counterparty is better off.