In normal circumstances (remember them?), the goal would be to hold as little in cash as possible. The obvious reason is that you will not even beat inflation with your money tied up in savings/checking/money market account. Allocation to cash in this case would be close to 0%.
So what about abnormal times? I believe its better to invest as much as possible in assets that not only will help you keep up with inflation but also achieve your long-term goals.
Now, if you have looked at your investment choices and figured that you can reduce allocation to risky assets without seriously jeopardizing your long-term goals, then you could allocate the retrenched assets to cash.
It is my own estimation that if you distributed your assets with % allocation to each risky class at the lower end (barely enough to meet your long-term goals) then you may have 0-30% left over for cash.
Read More