If you would optimally bet 10% of wealth and…
If you would optimally bet 10% of wealth and a coin flip that had 20 sense of expected gain and one dollar of standard deviation that means that your personal risk preference constant why would be equal to two. If it helps, you can think of K as a fraction of capital to invest in the risky asset.
— from The Flight Plan (Purpose/Wisdom/Risk) · Missing Billionaires by Victor Haghani and James White