Take More Risk in Tax Advantage Accounts

The Bond King Bill Gross likes to philosophize about profound emotions such as joy and melancholy in his investment rants, and this post is driven in part by the emotion of regret seeing Bitcoin hit all time highs, and even surpassing the price of gold.

Such is the case for many in my field. When I was finishing my last year at Berkeley, I came upon news reports of the fancy new cryptocurrency idea called Bitcoin. Independently at the same time, so did my fiancee’s brother, childhood friend, and cousin-in law (all techies). We didn’t think much of it, and as risk averse as I was, I didn’t even bother putting $50 or so of play money into there. If I did, it would be worth almost a million! Similarly, my fiancee’s aunt regrets not buying Apple stock when it was down in the dumpster right before Jobs took over (seriously, most smart money was on the company going bankrupt, not staging a phoenix-like revival).

While we can all regret not doing the most “optimal” thing (life doesn’t have a save/reload button) in hindsight, we can also never with certainty predict what the future will hold. What we can do, and it will sound boring, is to make sure we have the right types of investments in the right places, and to stay allocated to assets in a way that allows us to sleep well at night. If we do dedicate a small (e.g. 5%) portion of our portfolio to lottery ticket bets on small cap stocks, that’s fine. Just make sure to do it in the tax advantaged section of the portfolio.

Standard portfolio theory suggests that we should make sure that our money is invested in the way that takes advantage of legal tax shelters to our benefit, as much as possible. Just to recap, there are in general three big categories of holdings: taxable, pre-tax 401k/IRA, and Roth 401k/IRA. Here’s what we should put in each:

  • Taxable: The goal here is to hold for as long as possible and to minimize the number of transactions and income generated, since each sale can generate a huge tax bill for capital gains. The best choice is a low fee total stock market index fund (Vanguard, iShares, and Schwab are all good choices) that is held and not sold until death. Then we can take advantage of the tax free basis step up when we bequeath to heirs. The small amount of dividends generated is taxable, yes, but at a much lower rate than the marginal rate. Bond holdings should be in tax-free municipal bonds as much as possible, doubly so if you’re in a high tax bracket.
  • Pre-Tax: We have to pay tax on the whole thing anyway but not until we cash the money out from the account. That quirk makes pre-tax accounts ideal for traders, stock pickers, and market timers who move in and out of positions with regularity. It’s also a good place to stash taxable bond funds and high dividend funds that throw out a lot of periodic income.
  • Roth: This is where you should make your highest risk “lottery” type bets. Let’s say you could (and want to) invest in bitcoin, startups in their infancy, micro cap stocks, penny/value stocks, turnaround stories, Greek bonds on the verge of default, and foreclosed homes. You would do so here. The bigger the potential gains, the better it will be. Whether you stumble upon a 10-bagger or 100-bagger doesn’t matter. You won’t pay any tax on it at the end.

So in summary, you want to use the right tool for the job. A balanced portfolio should consist of stock funds, bond funds, and maybe a dash of play money. Instead of making each tax category holding the same, we should concentrate our investments in the type of account that is best-suited from a tax perspective. Big gainers should be in the Roth, slow steady accumulator broad market funds should be in taxable, and income spewing investments in the pre-tax account.


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