How to Build a Treasury Bill Ladder (Step-by-Step Guide)

A Treasury bill ladder is one of the simplest ways to manage cash while keeping regular access to your money.

Instead of locking all your cash into a single maturity, you spread it across multiple time frames.

This creates a system where part of your money becomes available on a regular schedule.

What is a Treasury bill ladder?

A ladder is a strategy where you divide your cash into multiple Treasury bills with different maturity dates.

For example:

• One bill matures in 4 weeks
• Another in 8 weeks
• Another in 13 weeks

As each bill matures, you can either:

• Use the cash
• Reinvest into a new bill

Why build a ladder?

A ladder helps you:

• Maintain liquidity over time
• Avoid locking all your money at once
• Adapt to changing interest rates

Instead of one large decision, you create a rolling system.

Step 1: Decide your total amount

Start by choosing how much cash you want to allocate.

Example:

• $4,000 total

Step 2: Choose your intervals

Decide how frequently you want access to cash.

Common choices:

• Every 4 weeks
• Every 8 weeks

Step 3: Split your investment

Divide your total amount evenly.

Example:

• $1,000 into a 4-week bill
• $1,000 into an 8-week bill
• $1,000 into a 13-week bill
• $1,000 into a 26-week bill

Step 4: Reinvest as bills mature

When the first bill matures:

• You can spend it
• Or reinvest it into a new longer-term bill

Over time, your ladder stabilizes and produces regular cash flow.

👉 Build your own ladder here: Try the ladder tool

Example of a simple ladder

After the initial setup:

• Every few weeks, one bill matures
• You always have cash becoming available
• You maintain exposure to current rates

Advantages of a ladder

• Regular access to cash
• Reduced timing risk
• Better rate averaging over time

Things to watch out for

• You still need to plan your cash needs
• Selling early may introduce price risk
• Rates may change over time

Reinvestment mindset

The real strength of a ladder comes from consistency.

Instead of trying to time the market, you:

• reinvest steadily,
• adapt gradually,
• and maintain flexibility.

Final thought

A Treasury ladder turns a static pile of cash into a dynamic system.

It gives structure to your money and ensures that liquidity and yield work together instead of competing.