Ω. The last. The conclusion. The ultimate limit of a set. The end of days. The kind of derivative exposure one or more of the four horsemen of the apocalypse might like - namely one where you can use backtesting with 100% confidence because for the first and only time in the history of the universe you will have all possible data, but it still won’t be any use BECAUSE THERE IS NO FUTURE LEFT.

Look on the bright side: at least you can tell Compliance to get stuffed if they ask you to insert the usual disclaimer that “past results are no guarantee of future performance”.

See also