As far as I can tell, it has been working this way for at least 3 years. I’ve slightly tweaked the logic which persists these fields to achieve the expected behavior. You can expect this change to be live some time this week.
Related, is there a way to save changes to simulations without actually needing to run the simulation? It is possible to save changes to a screen or a live portfolio, for example. It would be nice to be able to do the same with simulations, too.
Hugh, if you need this behavior, I’d suggest using the ‘Convert to “Live Portfolio”’ option under the cog menu (to the left of the model name in the header) if you plan to do this. After you’re ready to run it as a simulation again, just use the ‘Stop Live Updates’ option under the cog menu to convert it back to a simulated portfolio.
For I have years run my Hedged Sims with the hedge enabled and disabled to compare the effect of the hedge. This is the first time that rerunning the hedge enabled after running it disabled that the hedge rules are no longer there.
In that case, after looking further into it, it looks like the change which broke this behavior was released on April 10th. Thanks for letting us know about it.