Do you model what VIX/spot index of choice vol would be on your SPX/NDX/index stuff if targets are hit? BTW, nice to have you back risk.
Yeah, I don't use VIX, but I use a sticky-d/strike valuation on upside targets. It's always conservative on strike-touches. I simply use the prevailing ATM vol-figure. Bet-sizing is based upon the sticky-strike vol at the target-strike. *This is not the calc*, but imagine that you're looking at 300bp in edge at the upside target and it's 15% nominal (edge). I'd increase size by 15% above nominal unit size.
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