I wanted to do some Back Testing with a portfolio that includes the ETF symbol "TMF" (3x leveraged long treasuries).
Unfortunately TMF has only been around since 2010 or so, and nothing like it existed before that. I'd like to test as far back as possible.
Does anybody know a backtesting tool that would allow substituting a proxy formula representing 3x Long Treasuries?
Thanks
Backtesting tool that can simulate an ETF that didn't exist before 2010?
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