For a self 'cash' funding (sellers providing cash to buyers), a 2, 3, 4 novenary seems to work well with gold, small cap value, long dated treasury (2/9, 3/9, 4/9 weightings respectively)
At least according to the last chart in that link - Annual Returns, that indicates low collective yearly downs (so the individual yearly worst performing asset(s) were (mostly) offset by the individual yearly best performing asset(s)).
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.