Treasury bills (T-bills) are among the safest investments out there, yet plenty of investors still scratch their heads over how they actually work. Where do you buy them? When should you use them in your portfolio? Below’s a no-nonsense guide to T-bills as of 2026.
What’s Happening: T-Bills Explained
A Treasury bill (T-bill) is a short-term U.S. government debt security that matures in a year or less. Issued by the U.S. Department of the Treasury, these bills are sold at a discount from face value and don’t pay periodic interest. Instead, your return comes from the difference between what you paid and the face value at maturity. Longer maturities—up to 52 weeks—generally offer slightly higher yields than shorter ones like 4 or 8 weeks.
Backed by the full faith and credit of the U.S. government, T-bills are as safe as investments get. They’re popular with individuals, corporations, and financial institutions for managing liquidity and preserving capital. All T-bills issued in 2026 start at $100 denominations, down from the old $1,000 minimum, making them far more accessible to regular investors.
Step-by-Step Solution: Buying T-Bills in 2026
Here’s exactly how to buy T-bills, whether you want to go direct or use a brokerage.
- Choose Your Platform
- For direct purchase: Head to TreasuryDirect.gov, the official U.S. Treasury site.
- For brokerage access: Use platforms like Fidelity, Schwab, or Vanguard. They let you buy T-bills with no minimum beyond the $100 face value.
- Select Maturity and Amount
- Available maturities as of 2026: 4 weeks, 8 weeks, 13 weeks, 17 weeks, 26 weeks, and 52 weeks.
- Enter the amount you want to purchase. Minimum is $100, in $100 increments.
- Complete Purchase and Confirm
- On TreasuryDirect, select "Buy Direct" → "Treasury Bills" → choose maturity and amount → confirm your bid.
- On a brokerage, search for "T-Bills," pick your maturity and amount, then place the order.
- Receive Confirmation and Hold or Sell
- You’ll get a confirmation email or digital receipt.
- T-bills stay in your account until maturity, or you can sell them early on the secondary market.
Important Notes (2026)
All T-bills issued in 2026 are electronic—no paper certificates here. Interest rates shift weekly based on Treasury auction results. As of early 2026, the 13-week T-bill rate sits around 0.03–0.05%, way lower than historical averages thanks to Federal Reserve policy since 2022.
If This Didn’t Work
1. Try a Secondary Market Sale
- Need cash before your T-bill matures? You can sell it on the secondary market through a broker.
- The price might be above or below face value, depending on current interest rates.
- Use platforms like Schwab or Fidelity to sell; fees may apply.
2. Check Auction Timing
- T-bills are auctioned weekly on Mondays (4-, 8-, and 13-week) and Thursdays (26- and 52-week).
- Miss the auction? You can still buy T-bills on the secondary market through brokers.
- Auction results go live on TreasuryDirect by 3:30 PM ET on auction days.
3. Verify Account Funding
- Make sure your TreasuryDirect or brokerage account has enough cash.
- If using TreasuryDirect, link a bank account for ACH transfers.
- Brokerages usually require a cash or margin account with available funds.
Prevention Tips: Avoid Common T-Bill Mistakes
Know Your Liquidity Needs
- T-bills work best for short-term goals, like saving for a home down payment in six months.
- If you might need the money early, skip the 52-week T-bill unless you’re okay selling it on the secondary market.
- Compare T-bill rates to high-yield savings accounts. As of 2026, some online banks offer 4–5% APY, which could be a better deal for ultra-short-term needs.
Understand Tax Implications
- T-bill interest is taxed federally but not by states or localities.
- Report interest income on Form 1099-INT from TreasuryDirect or your broker.
- In a high tax bracket? Consider holding T-bills in a tax-advantaged account like a Roth IRA.
Diversify Across Maturities
- Try a "laddering" strategy: buy T-bills with staggered maturities (say, one every month) to keep liquidity and reduce interest rate risk.
- This helps avoid reinvestment risk if rates drop when your T-bill matures.
Verify Broker Fees
- Some brokers tack on markups or transaction fees for T-bill purchases.
- Compare all-in costs before buying. TreasuryDirect charges nothing.
- Always check the final yield after any fees.
T-bills remain a solid choice for conservative investors in 2026. Use this guide to buy, track, and manage your holdings with confidence.