When I run an optimization through bt.optimize(), I get the list of all the tried combinations of parameters along with the related value of the objective function but not all the other statistics. The full set of statistics and trades is available only for the best parameter combinations.

My question is: is there any way to get statistics and trades for each combination of parameters? So far, I've had to run a bt.run() for each parameter combination but it is a waste of time since they were already calculated during the optimization.