Where to park cash this week, after state tax

Treasury bills at auction vs Treasury/government money funds, T-bill ETFs and broker cash, ranked for every state. Updated on the weekly auction cycle.

Data as of . Each row shows its own source date.

13-week bill, last auction
4.159%
Nov 9, 2026 · state-tax-free
Highest yield tracked
4.50%
52-wk T-bill · Oct 27, 2026
Best daily-liquid fund, CA top bracket
4.00%
TFLO after 13.3% state tax
Best daily-liquid fund, no-tax states
4.13%
XBIL
After-tax yield calculator. Plug in your state, bracket, amount and term to compare T-bills, a Treasury money fund, a savings account or CD and a muni fund in dollars, plus the break-even taxable rate. Open the calculator

This week's bill auctions (week of Nov 9)

High rates from completed auctions; investment rate is the bond-equivalent yield used for ranking.

AuctionTermHigh investment rateHigh discount rateBid-to-coverOfferingCUSIPSource
Nov 9, 20266-Week4.064%3.990%2.59$100B912797TC1TreasuryDirect auction results API (not yet in Fiscal Data)
Nov 9, 202613-Week4.159%4.060%2.67$95B912797WB9TreasuryDirect auction results API (not yet in Fiscal Data)
Nov 9, 202626-Week4.293%4.145%2.92$82B912797UX3TreasuryDirect auction results API (not yet in Fiscal Data)
Nov 12, 20264-Week4.022%3.955%2.94$115B912797WF0TreasuryDirect auction results API (not yet in Fiscal Data)
Nov 12, 20268-Week4.163%4.080%2.5$110B912797WP8TreasuryDirect auction results API (not yet in Fiscal Data)
Nov 12, 202617-Week4.344%4.225%2.78$75B912797XH5TreasuryDirect auction results API (not yet in Fiscal Data)

Next on the calendar: —

Latest auction result by term

TermLast auction high investment rateAuction date / sourceSecondary market, coupon-equivalent (Nov 10, 2026)
4-Week4.022%Nov 12, 20263.94%
6-Week4.064%Nov 9, 20264.08%
8-Week4.163%Nov 12, 20264.10%
13-Week4.159%Nov 9, 20264.22%
17-Week4.344%Nov 12, 20264.29%
26-Week4.293%Nov 9, 20264.41%
52-Week4.496%Oct 27, 20264.54%

Secondary-market column: U.S. Treasury Daily Treasury Bill Rates. FRED (discount basis): DTB4WK 3.89% (Nov 9, 2026) · DTB3 4.06% (Nov 9, 2026) · DTB6 4.15% (Nov 9, 2026) · DTB1YR 4.18% (Nov 9, 2026)

13-week bill rate since Jan 2024

13-week Treasury bill auction investment rateInvestment rate at each 13-week bill auction from Jan 2, 2024 to Nov 9, 2026; latest 4.159%.3.50%4.00%4.50%5.00%5.50%Jul 2024Jan 2025Jul 2025Jan 2026Jul 2026

Investment rate at every 13-week auction (150 auctions). Latest 4.159% on Nov 9, 2026. Full history & data

National ranking (before state tax)

Headline yields. The state-exempt share decides how much of that you keep in a taxing state — pick your state below.

#ProductYieldState-exempt share (2025)Meets CA/CT/NY 50% testYield type / as of
152-wk T-billT-bill
52-Week Treasury bill (latest auction)
4.50%100.0%yesauction high investment rate (bond-equivalent)
Oct 27, 2026
217-wk T-billT-bill
17-Week Treasury bill (latest auction)
4.34%100.0%yesauction high investment rate (bond-equivalent)
Nov 12, 2026
326-wk T-billT-bill
26-Week Treasury bill (latest auction)
4.29%100.0%yesauction high investment rate (bond-equivalent)
Nov 9, 2026
48-wk T-billT-bill
8-Week Treasury bill (latest auction)
4.16%100.0%yesauction high investment rate (bond-equivalent)
Nov 12, 2026
513-wk T-billT-bill
13-Week Treasury bill (latest auction)
4.16%100.0%yesauction high investment rate (bond-equivalent)
Nov 9, 2026
6XBILETF
F/m US Treasury 6 Month Bill ETF
4.13%100.0%not stated30-day SEC yield
Oct 31, 2026
76-wk T-billT-bill
6-Week Treasury bill (latest auction)
4.06%100.0%yesauction high investment rate (bond-equivalent)
Nov 9, 2026
84-wk T-billT-bill
4-Week Treasury bill (latest auction)
4.02%100.0%yesauction high investment rate (bond-equivalent)
Nov 12, 2026
9TFLOETF
iShares Treasury Floating Rate Bond ETF
4.00%99.2%yes30-day SEC yield
Nov 10, 2026
10USFRETF
WisdomTree Floating Rate Treasury Fund
3.98%—not stated30-day SEC yield
Nov 11, 2026
11VUSXXMoney fund
Vanguard Treasury Money Market Fund
3.97%100.0%yes7-day SEC yield
Nov 11, 2026
12TBILETF
F/m US Treasury 3 Month Bill ETF
3.92%100.0%not stated30-day SEC yield
Oct 31, 2026
13VBILETF
Vanguard 0-3 Month Treasury Bill ETF
3.89%100.0%yes30-day SEC yield
Nov 10, 2026
14SHVETF
iShares 0-1 Year Treasury Bond ETF
3.88%89.8%yes30-day SEC yield
Nov 10, 2026
15VMFXXMoney fund
Vanguard Federal Money Market Fund (settlement fund)
3.88%66.6%yes7-day SEC yield
Nov 11, 2026
16BILETF
SPDR Bloomberg 1-3 Month T-Bill ETF
3.86%97.3%not stated30-day SEC yield
Nov 11, 2026
17BILSETF
SPDR Bloomberg 3-12 Month T-Bill ETF
3.86%96.9%not stated30-day SEC yield
Nov 11, 2026
18SGOVETF
iShares 0-3 Month Treasury Bond ETF
3.85%95.1%yes30-day SEC yield
Nov 10, 2026
19CLIPETF
Global X 1-3 Month T-Bill ETF
3.81%99.7%not stated30-day SEC yield
Nov 11, 2026
20SNSXXMoney fund
Schwab U.S. Treasury Money Fund - Investor Shares
3.67%100.0%yes7-day (with waivers) yield
Nov 10, 2026 (manual capture)
21SNOXXMoney fund
Schwab Treasury Obligations Money Fund - Investor Shares
3.63%31.3%no7-day (with waivers) yield
Nov 10, 2026 (manual capture)
22FDLXXMoney fund
Fidelity Treasury Only Money Market Fund
3.62%98.7%yes7-day yield
Nov 11, 2026
23FDRXXMoney fund
Fidelity Government Cash Reserves (core position)
3.61%52.2%no7-day yield
Nov 11, 2026
24FZFXXMoney fund
Fidelity Treasury Money Market Fund (core position)
3.56%61.5%no7-day yield
Nov 11, 2026
25SPAXXMoney fund
Fidelity Government Money Market Fund (core position)
3.55%50.9%no7-day yield
Nov 11, 2026
26Schwab cashBroker cash
Schwab Intelligent Portfolios Sweep Program (robo accounts only)
3.51%0.0%n/aAPY
Nov 2, 2026
27Interactive Brokers cashBroker cash
Interactive Brokers Pro: interest on USD cash (balances above $10k)
3.38%0.0%n/arate
Nov 12, 2026
28Merrill cashBroker cash
Merrill Edge / Merrill Lynch Bank Deposit Program (Tier 1, < $250k)
0.01%0.0%n/aAPY
Nov 10, 2026 (cached: source unavailable at last refresh)

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Pick your state

Best daily-liquid fund/ETF after the state's top marginal rate (T-bills are always 100% state-exempt; tap a state for the full table and brackets).

Alabama
Best fund: XBIL · 4.13%
Alaska
Best fund: XBIL · 4.13%
Arizona
Best fund: XBIL · 4.13%
Arkansas
Best fund: XBIL · 4.13%
California
Best fund: TFLO · 4.00%
Colorado
Best fund: XBIL · 4.13%
Connecticut
Best fund: TFLO · 4.00%
Delaware
Best fund: XBIL · 4.13%
Florida
Best fund: XBIL · 4.13%
Georgia
Best fund: XBIL · 4.13%
Hawaii
Best fund: XBIL · 4.13%
Idaho
Best fund: XBIL · 4.13%
Illinois
Best fund: XBIL · 4.13%
Indiana
Best fund: XBIL · 4.13%
Iowa
Best fund: XBIL · 4.13%
Kansas
Best fund: XBIL · 4.13%
Kentucky
Best fund: XBIL · 4.13%
Louisiana
Best fund: XBIL · 4.13%
Maine
Best fund: XBIL · 4.13%
Maryland
Best fund: XBIL · 4.13%
Massachusetts
Best fund: XBIL · 4.13%
Michigan
Best fund: XBIL · 4.13%
Minnesota
Best fund: XBIL · 4.13%
Mississippi
Best fund: XBIL · 4.13%
Missouri
Best fund: XBIL · 4.13%
Montana
Best fund: XBIL · 4.13%
Nebraska
Best fund: XBIL · 4.13%
Nevada
Best fund: XBIL · 4.13%
New Hampshire
Best fund: XBIL · 4.13%
New Jersey
Best fund: XBIL · 4.13%
New Mexico
Best fund: XBIL · 4.13%
New York
Best fund: TFLO · 4.00%
North Carolina
Best fund: XBIL · 4.13%
North Dakota
Best fund: XBIL · 4.13%
Ohio
Best fund: XBIL · 4.13%
Oklahoma
Best fund: XBIL · 4.13%
Oregon
Best fund: XBIL · 4.13%
Pennsylvania
Best fund: XBIL · 4.13%
Rhode Island
Best fund: XBIL · 4.13%
South Carolina
Best fund: XBIL · 4.13%
South Dakota
Best fund: XBIL · 4.13%
Tennessee
Best fund: XBIL · 4.13%
Texas
Best fund: XBIL · 4.13%
Utah
Best fund: XBIL · 4.13%
Vermont
Best fund: XBIL · 4.13%
Virginia
Best fund: XBIL · 4.13%
Washington
Best fund: XBIL · 4.13%
Washington DC
Best fund: XBIL · 4.13%
West Virginia
Best fund: XBIL · 4.13%
Wisconsin
Best fund: XBIL · 4.13%
Wyoming
Best fund: XBIL · 4.13%

Guides

How state tax treats Treasury income, explained with primary sources.

Not financial advice. Rankings are mechanical calculations from published yields and issuer tax data. They ignore fees you pay your broker, trading spreads, minimums, liquidity, and your full tax picture. Check the source links before acting.