Treasury IQ
Cash Management · Rates · Auctions

Risk free rates

A snapshot of near risk-free places to park idle business cash

Current options

Money Market Rate

Overnight Bank Funding

0.00

3.88%

As of 2026-10-15

Wholesale overnight bank funding — a proxy for money-market / deposit-style yields.

1M

1-Month Treasury

+0.06

4.17%

As of 2026-10-15

Very short Treasury yield; useful for cash that may be needed within weeks.

3M

3-Month Treasury

0.00

4.28%

As of 2026-10-15

A common T-bill reference for quarterly idle-cash planning.

6M

6-Month Treasury

-0.02

4.35%

As of 2026-10-15

Half-year Treasury yield for surplus you can leave invested longer.

1Y

1-Year Treasury

-0.04

4.49%

As of 2026-10-15

One-year Treasury yield for cash clearly idle beyond the operating cycle.

Idle cash calculator

Enter surplus cash to estimate simple monthly and annual interest at today’s published rates. Illustrative only — not a quote or offer.

Showing estimates on $500,000 of idle cash.

OptionRateEst. monthlyEst. annual

Money Market Rate

Overnight Bank Funding

3.88%
As of 2026-10-15
$1,616.67$19,400.00

1M

1-Month Treasury

4.17%
As of 2026-10-15
$1,737.50$20,850.00

3M

3-Month Treasury

4.28%
As of 2026-10-15
$1,783.33$21,400.00

6M

6-Month Treasury

4.35%
As of 2026-10-15
$1,812.50$21,750.00

1Y

1-Year Treasury

4.49%
As of 2026-10-15
$1,870.83$22,450.00

Simple interest = cash × rate. Actual T-bill returns depend on purchase price, settlement, and holding period. Money market / bank products may pay above or below OBFR.

Mode: live · Updated 2026-10-18T14:04:09.449Z

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