Using Treasury Direct to buy T-bills

Personal finance, Value investing

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One of the pitfalls of taking action as you learn is you occasionally make mistakes. This happened to me recently, after happily having bought some and then realizing that there were better options out there now that we live in California (with its 9.3% income tax rate) and not Washington state (which has no state income tax).

Once again, ignoring tax implications proves perilous. But, at least I was able to find a better place to park my cash: .

Why? Unlike the CDs I purchased, interest earned from T-bills aren’t subject to state income taxes.

In fact, depending on your state income tax rate, T-bills might be a much better investment than a regular CD. For Californians like me, here’s a list of the equivalent annual percentage yields (APYs) based on the 8/17/06 1-month bill (via the on Fatwallet):


Unadjusted APY ………………. 5.29%
Itemizers (deduct state tax)…. 5.83%
Non-Itemizers @ 15%………… 5.94%
Non-Itemizers @ 25%………… 6.04%
Non-Itemizers @ 28%………… 6.08%
Non-Itemizers @ 33%………… 6.14%
Non-Itemizers @ 35%………… 6.17%

These are higher than the 5.3% and 5.4% 3-month CDs that I purchased (subject to state income tax) and moreover, they’re shorter-term. In fact, current rates for the 1-month T-bill are higher than the 3-month T-bills as well.

Here are the formulas to calculate the yields above:

If itemizing (deducting) state income taxes from federal income taxes:


Equivalent APY = T-bill APY / (1 – state income tax rate)

If taking the standard deduction:

Equivalent APY = T-bill APY * (1 – federal income tax rate)/(1 – federal income tax rate – state income tax rate)

Yesterday, I opened up a account (surprisingly easy given this is a government-run site!) and I’ve put in a request to deposit $10 into a Zero-Percent Certificate of Indebtedness (or C of I), which is essentially a non-interest bearing account. I wanted to do this just to make sure there aren’t any unforeseen issues with transferring money before I attempt to buy an actual T-bill.

T-bills are auctioned on Tuesdays and issued on Thursdays, so I’m looking at purchasing my first T-bill next week. (Treasury Direct will automatically enter in the next available purchase date if you’ve missed this week’s window.)

If you don’t live in a state with income tax, T-bills may still be worth considering, but depending on rates, they may not be as compelling a choice depending what CDs and are offering.

Like everything else in investing, you can get more creative or active with T-bills and savings bonds, selling before they mature or buying on the secondary market, for example, but for now, I plan on keeping it simple and holding mine to maturity.

I’m still new to this, but I plan on updating what I learn through the process through my posts.

However, if you’re interested in learning more now, be sure to check out the series of posts at MyMoneyBlog on (always great learning from a fellow PF blogger). There’s also a very long thread that’s updated every week. I learned a lot from both of these, though there’s plenty of reading there. (Thanks very much to everyone, but especially mariojm for starting the thread and answering so many of the questions!)

If I’m happy with the results of my T-bill performance and rates stay competitive, I will probably move the cash currently tied up in my 3-month CDs over to T-bills when they mature in October. I’ll just have to consider the taxes I pay on the CDs as my tuition for the lesson I learned!

I also plan on looking into municipal bonds and funds in order to determine whether those are worth considering or not. They seem a bit more complex, and at first glance, their benefits over T-bills haven’t been that apparent to me, in large part because I don’t yet fully understand their risks or how they work.

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9 Feedbacks on "Using Treasury Direct to buy T-bills"

Calculating tax-equivalent yields | Experiments in Finance

[…] Personal finance While I was out of the country, I wasn’t able to follow up on buying T-bills through Treasury direct. Now that I’m back, it seems that recent T-bill yields have taken a slight plummet. As a California resident though, these rates are still attractive in comparison to high-yield savings accounts and rates on CDs because T-bills are exempt from state income tax. For most people in California, including us, that represents a whopping 9.3% of our income. […]



Andy the Invest

I’m not sure what I found but I like what I’ve seen so far. Thanks!



Tan

can I open an IRA account with the Treasury Direct in order to rollover my company 401K into it when I leave my company?



Ricemutt

Actually, you can’t “open” an account at Treasury Direct. To use Treasury Direct, all you’re really doing is creating a link from them to an existing account that you have.

I’m not sure if you can link any account to Treasury Direct, though. They’re supposed to work with almost all savings and checking accounts, but I don’t know if any IRA or brokerage accounts can be linked to them. For a good start on learning more about treasuries and using Treasury Direct, you might want to take a look at the Fatwallet thread here.



1-month T-bill now at 5.39% APY, gap continues to widen | Experiments in Finance

[…] This is a good time to check and review tax-effective yields, using the 28-day bill as an example and California’s 9.3% tax bracket: Unadjusted APY ………………. 5.39% Itemizers (deduct state tax)…. 5.95% Non-Itemizers @ 15%………… 5.06% Non-Itemizers @ 25%………… 6.16% Non-Itemizers @ 28%………… 6.19% Non-Itemizers @ 33%………… 6.26% Non-Itemizers @ 35%………… 6.29% […]



Velo

Is there a way to purchase 28 day bills using your credit card or paypal?



10 Savings Accounts

Moneynet sounds alarm over poor-paying children's savings accounts…

Interest rates on children’s savings accounts &#8212 some of the most heavily marketed of all savings products &#8212 can leave kids badly out of pocket, online financial data service Moneynet warns today….



Maryann Mestas

Great article!!!



matthew foster

Im thinking about investing in a $1000,00
T-Bill and I need to know how they work and how I would benefit from them and how I would collect the interest after it matures and is this a good or bad investment during this resesion/depression for a low income



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