In this post, I’ll provide a lot of basic information about investing, with links to additional reading for various concepts. Most of these concepts are not US-centric, though I will be mentioning US-specific details, such as tax-advantaged account types.

What’s the difference between a mutual fund, etf, and index fund?

A mutual fund is a financial vehicle where assets from a large number of investors are pooled to be invested as one entity. Mutual funds have strategies, and investors invest based on how well the fund executes that strategy. For example, you may compare two large cap funds, and they have similar returns but one has a much lower expense ratio (the fees for running the fund), so you may choose the cheaper fund. Mutual funds generally can only be purchased after market hours, and only through a brokerage that has an agreement with the fund. If you buy a fund through a brokerage that doesn’t sponsor the fund (e.g. if you buy a Vanguard fund from E-trade), you’ll pay a fee for each transaction, whereas you’ll pay nothing if you buy it from the brokerage the mutual fund is associated with (e.g. a Vanguard fund from Vanguard). With a mutual fund, you generally invest a certain amount of money, and the amount of shares really isn’t that important.

An ETF is very similar to a mutual fund, except it is traded like a stock. So if you want to buy a share of an ETF, you’ll just pay whatever commission your brokerage charges (often $0), just like you would with any other stock. However, since it trades like a stock, you can generally only trade in whole shares, unless your brokerage allows fractional share trades. So an ETF is essentially a mutual fund that is traded like a stock.

An index fund is a specific kind of mutual fund/etf, where the strategy is based on an index. This means the fund manager has a lot less input on how the strategy is executed, since they’re trying to match a specific asset allocation instead of buying winners. For example, one popular index is the S&P 500, which is defined as the top 500 companies in terms of market cap (what the market thinks they’re worth), and index funds tracking the S&P 500 will by based on the percentage of market cap a given stock has. For example, let’s say Microsoft is 10% of the S&P and Apple is 15%, the fund would buy 10% Microsoft shares and 15% Apple shares, and the rest would go to the rest of the companies in the index in the same fashion. Since there’s less analysis of individual companies, index funds can operate on very low expenses.

When comparing funds, focus more on the expenses and strategy instead of past performance, because past performance does not guarantee or even indicate expected future results.

So in short:

  • mutual fund - you invest money, and the manager buys stocks/bonds according to a defined strategy
  • etf - you buy shares, and the manager buys stocks/bonds according to a defined strategy
  • index fund - restricts the manager to a very specific strategy, where purchased stocks/bonds must match a defined index

The vast majority of active fund managers fall behind the S&P 500. So in general, you’ll probably be better off with an index fund instead of an actively managed mutual fund.

What is a stock?

A stock represents marketable pieces (shares) of ownership in a company. When a company is incorporated, the owner splits the company into some number of shares, and those shares can be sold individually to raise money to grow the company. The owner of the company is one with more than half of the shares (otherwise called a controlling stake), and if nobody owns a majority of the shares, it becomes a democratic system where each share represents a vote. In practice, only very large shareholders end up voting for board members, and the board hires a CEO that ends up making the rest of the day-to-day decisions.

This is true for both public and private companies, though purchasing shares in a private company cannot typically be done on the market and needs to be done through existing shareholders. When a company “goes public,” private shares are converted to public shares and can then be sold on the open market.

If your company offers an employee stock purchase plan, make sure you know how you can liquidate those since shares in a private company can be very difficult to sell.

What is a bond?

At a high level, a bond represents a unit of debt for some organization. Basically, you’re lending that org money, in exchange for them paying you back at some rate over some period. Some bonds pay dividends (i.e. you’ll get the interest at regular intervals), and others instead are paid off at the end of the bond period in a lump sum.

Bond Ratings

Bond ratings represent the rating issuer’s confidence that the organization will repay its debts as agreed. These ratings vary a little by rating org, so I’ll be using S&P’s rating system here.

Each rating consists of a letter in the range A-D with a + or - sign or number (e.g. A+, A-1, etc), and it works similar to letter grades in schools. The higher the grade, the lower the risk. In general:

  • A-1/AAA+ - investment grade; top possible score
  • A-2/AA - investment grade, strong score
  • A-3/A - investment grade, adequate risk
  • B - speculative, currently meeting commitments
  • C - speculative, vulnerable to default/non-payment
  • D - speculative, in default

Money market funds will stick to investment grade bonds, and “junk” bonds are the bottom two groups (C and D).

The main rating groups are S&P, Fitch, and Moody, and they can use different rating systems, especially for different types of bonds (e.g. a short-term vs long-term bonds can use different systems from the same org, as shown above with A-1 vs AAA).

In general, the higher the rating, the lower the return, but also the higher the probability that you’ll actually get the return promised.

Tax implications

There are several types of bonds, like corporate, government, and municipal, and each have different tax implications. What follows is very high-level, there’s a lot of nuance in the bond market wrt taxes:

There is a lot of nuance, so look into your local and state tax laws to ensure you understand.

Asset allocation

Your asset allocation refers to how your investments are distributed across different asset classes. The most popular asset classes are stocks and bonds, though there are other asset classes investors may be interested in, such as:

  • real estate
  • precious metals
  • futures - e.g. purchase contracts for commodities (e.g. you could trade barrels of oil)

Asset classes can be broken down further, such as for stocks:

  • market sector - tech vs utilities vs manufacturing, etc
  • growth vs value - value means companies that are likely undervalued, growth means companies that have shown strong returns vs competitors; there’s also dividend strategies (i.e. companies that tend to return profits to shareholders instead of investing in the core business)
  • market cap - large cap (massive companies like Microsoft and Apple), mid cap, and small cap (smaller companies, like Jack in the Box, Polaris, etc)

Choosing an asset allocation can be an overwhelming process, and there are a lot of strategies that people claim works. The more important thing is to understand your strategy and stick with it instead of shifting with the trends (if you always buy what recently performed well, you’ll be essentially buying high and selling low).

Here are some popular asset allocations (I’ve listed what I think is interesting below):

  • Bogleheads strategy - buy stocks according to market cap, bonds according to age; three fund portfolio, two fund portfolios; the global market cap is ~55-60% US stocks, 40-45% international stocks; bond percent should be 100 - your age (quite conservative)
  • 60/40 - 60% stocks, 40% bonds - generally recommended for retirees and those close to retirement, though some do it throughout their investment career
  • “Permanent portfolio” - 25% gold, 25% cash (or Treasuries), 25% stocks, 25% bonds - intended for asset preservation and ends up being quite conservative
  • dividend portfolio - buy almost entirely stocks with high dividends (one strategy is Dogs of the Dow, and then plan to live off dividends in retirement

There are a ton of exotic ones as well, such as Hedgefundies Excellent Adventure (lots of leverage in a portfolio intended to match risk of non-leveraged portfolios). Don’t do anything like that without fully understanding how all of the pieces work, and even then, I recommend one of the above over anything that uses leverage.

Account types

Most countries offer tax-advantages to encourage residents to at least partially fund their own retirement. This will cover US-specific tax-advantaged account types, though similar structures exist in many other countries, and searching for " " will probably yield articles with information for resources for your region.

Here are the main account types, you may have access to some but not all:

  • 401k - employer-sponsored retirement plan
  • IRA - individual retirement account - available to everyone
  • HSA - health savings account, must have a high-deductible health plan; essentially becomes an IRA once you hit 65
  • 457 - employer sponsored plan offered at many state and local government agencies, and some non-profits
  • 403(b) - similar to 401k, but offered to teachers, private non-profit employees, and some others

There are others, but these are the ones you’re likely to run into that are relevant for retirees.

There are two main types of tax advantages these offer, referred to as traditional and Roth, though there are nuances for each account type. In general:

  • traditional - get a tax deduction on contributions, no taxes on growth while it’s in the account, pay taxes when you withdraw
  • Roth - no deduction on contributions, no taxes on growth, no taxes when you withdraw

If your tax bracket is the same when you contribute and when you withdraw, Roth and traditional accounts are equivalent. As a quick demonstration, let’s say you have a 10% tax rate, you invest $10k, your investments double, and you withdraw everything all at once:

  • Roth (post-tax) - invest $9k ($10k - $1k taxes), grows to $18k, withdraw $18k
  • traditional (pre-tax) - invest $10k, grows to $20k, withdraw $18k ($20k - $2k taxes)

There are limits to how much you can invest in tax-advantaged accounts, and traditional accounts sometimes have income limits to receive a deduction. There are strategies to maximize your tax-advantaged, so if you think you don’t qualify, please ask since you may have options (e.g. a backdoor Roth IRA if you’re over the income limit for Roth IRA contributions).

Long term capital gains vs income tax brackets

Regular brokerage accounts have no tax advantages, but they do have the advantage that gains are taxed as capital gains instead of income, whereas a traditional IRA/401k/etc is taxed upon withdrawal as income. Long-term capital gains brackets are lower across the board for the same income level vs income tax, and there’s a 0% long-term capital gains bracket that corresponds to most of the 12% income tax bracket, then 15% up to the middle of the 32%/35% brackets, and then 20% thereafter. Short-term capital gains are taxed as income, so be careful to only sell assets that qualify as long-term capital gains.

There are situations where a regular brokerage account can be advantageous over taking a tax deduction for a traditional account. Here’s an article about why you may want to use a traditional account and invest the tax savings in a brokerage vs a Roth account (target audience is early retirees, but it’s applicable to traditional retirees as well). It’s a fairly niche case, but applicable to surprisingly many people.

Tax-efficient fund placement

Let’s assume you have a mix of assets in the following:

  • Roth account
  • traditional account
  • taxable brokerage account

In general, you’ll want to do the following:

  • Roth account - highest growth since it’s 100% tax free
  • traditional account - capital gains generating investments with relatively low growth, e.g. bonds and dividend heavy stocks
  • taxable brokerage account - international stocks because of the Foreign Tax Credit (e.g. you get a part of the taxes you paid back), assets with low capital gains distributions, and low need for rebalancing

However, the benefits here are far less than the benefits for using the right account types for you. For example, the Foreign Tax Credit is something like 0.23%/year of your taxable investments if you’re invested in something like VTIAX, and you’ll be paying taxes on something like 2.8% of that same investment. So use your tax advantaged space first, and then optimize from there.

Conclusion

Investing can feel overwhelming, and there’s so much conflicting information available out there. My personal advice is to keep it simple using tried-and-true methods that have consistently had good results in the past. Here’s what I do:

  • max my tax advantaged accounts
  • 70% US stocks, 30% international stocks asset allocation - I think the US will continue to outperform, but I want to hedge my bets some
  • buy low-cost index funds, one fund per account to keep it simple; in my case, this gets me close:
    • 401k - 100% US stocks
    • IRA - 100% US stocks
    • HSA - 100% international stocks
    • taxable brokerage - 100% international stocks
  • I don’t have any bonds because I’m not retiring anytime soon and I have a high risk tolerance (I didn’t panic sell in 2008); I do count my emergency fund as my “bond” portion though, so there’s that
  • check on my investments about 1-2x/year to make sure everything is close to my target (if I’m over in US stocks, I’ll swap some IRA space to international; if I’m over in international stocks, I’ll swap some HSA space to US)

My IRA and taxable brokerage is at Vanguard, and my HSA is at Fidelity. When I switch jobs, I roll my 401k -> my IRA.

This got pretty long and I probably should’ve broken it up into multiple posts, so please let me know if there’s an area you’d like more detail on and I’ll consider making a post about it.

  • Yote.zip
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    77 months ago

    Looks good. I’m opinionated on the asset allocations but it makes sense not to put some of those biases in for an overview. I’m very surprised that the Bogleheads wiki glosses over bond allocation with “age in bonds” and a small note that this is “conservative”, which is quite an understatement - starting your investment plan with 20% bonds at age 20 is throwing money away.

    • @sugar_in_your_tea@sh.itjust.worksOP
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      47 months ago

      Agreed. Most financial advisors/retirement date funds won’t even go that conservative, most do 10% for the first 10-20 years, then gradually ramp to 40% for retirement over the remaining 20 or so years.

      I’m personally in the “bonds aren’t worth it until near retirement” camp, but everyone’s risk tolerance is different. If I make a post about it, I’ll compare trying to time the market vs staying the course so people can get a good feel for what risk actually means.