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How to Build TIPS Portfolios for Inflation-Protected Income
This session focused on how Treasury Inflation-Protected Securities (TIPS) can be used to construct portfolios that deliver reliable, inflation-adjusted income, particularly through the use of a TIPS ladder strategy. The discussion combined foundational bond concepts with practical portfolio construction, tax considerations, and real-world implementation.
1. What Makes TIPS Unique
TIPS are U.S. Treasury bonds designed to protect investors from inflation by adjusting their principal value based on changes in the Consumer Price Index (CPI).
Key features include:
- Principal adjusts with inflation (or deflation)
- Fixed coupon rate, set at auction
- Interest payments vary because they are applied to the inflation-adjusted principal
- Return of inflation-adjusted principal at maturity
- Deflation floor (investors receive at least original principal at maturity)
- Liquidity (can be bought/sold on the secondary market)
U.S. Treasury explanation of TIPS:
https://www.treasurydirect.gov/marketable-securities/tips/
Inflation is measured using CPI:
https://www.bls.gov/cpi/
2. Real Yields and Break-Even Inflation
TIPS are quoted in real (inflation-adjusted) yields, unlike nominal Treasury bonds.
Key relationships:
- Nominal yield ≈ Real yield + Expected inflation
- The difference between nominal Treasury yields and TIPS yields is the break-even inflation rate
If actual inflation exceeds the break-even rate, TIPS outperform nominal bonds.
Federal Reserve explanation of TIPS and inflation expectations:
https://www.federalreserve.gov/education/tips.htm
3. Interest Rates, Pricing, and Volatility
Like all bonds:
- Prices move inversely to interest rates
- Longer-duration TIPS experience greater price volatility
- Price volatility only matters if bonds are sold before maturity
If held to maturity:
- Investors receive known, inflation-adjusted cash flows
A critical concept emphasized in the transcript:
- Yield to maturity is determined by the market
- Bond prices adjust so the yield matches prevailing real rates
- Investors may pay a premium or discount depending on the coupon relative to current yields
4. How TIPS Generate Income
TIPS produce income in two ways:
- Semiannual interest payments (based on adjusted principal)
- Return of inflation-adjusted principal at maturity
In practice:
- Coupon payments are often relatively small
- The majority of real income comes from principal repayment at maturity
5. The TIPS Ladder Strategy
A TIPS ladder involves purchasing multiple TIPS with staggered maturities to create a predictable stream of inflation-adjusted income.
How it works:
- Each “rung” of the ladder matures in a different year
- Each maturity provides cash flow to meet spending needs
- Income each year comes from:
- Interest payments
- Maturing principal
This structure allows investors to match future spending needs with guaranteed real cash flows, a concept known as asset-liability matching.
6. Designing a TIPS Ladder
The process for building a ladder includes:
Step 1: Identify Spending Needs
- Calculate essential annual expenses in real (inflation-adjusted) dollars
- Include:
- Housing costs
- Food and healthcare
- Insurance and taxes
Step 2: Subtract Safe Income
- Social Security (inflation-adjusted)
- Pensions or annuities
This determines the income gap to be funded by TIPS.
Step 3: Decide on Discretionary Coverage
- Optional: fund additional lifestyle spending
- Tradeoff:
- More TIPS → higher guaranteed income floor
- Less TIPS → more growth potential from equities
Step 4: Determine Time Horizon
- Typically based on:
- Longevity risk
- Health status
- Portfolio size
Longer ladders:
- Reduce longevity risk
- Increase cost and reduce portfolio flexibility
7. Building the Ladder in Practice
Tools like:
TIPS Ladder Calculator:
https://www.tipsladder.com
allow advisors to input:
- Desired annual real income
- Time horizon
The tool then generates:
- Specific TIPS (CUSIPs) to purchase
- Quantity of each bond
- Total cost of the ladder
Example from the session:
- $50,000/year for 20 years = $1,000,000 total real income
- Cost ≈ $822,000 due to positive real yields (~2%+)
8. Where to Buy TIPS
Two primary options:
TreasuryDirect
https://www.treasurydirect.gov
- Direct purchase from the U.S. Treasury
- Limited to new issues
- Less flexible (difficult to sell or transfer)
Brokerage Platforms (preferred)
- Fidelity, Schwab, Vanguard, etc.
- Access to:
- Secondary market
- Retirement accounts (IRAs, etc.)
- Greater flexibility and liquidity
9. Tax Considerations (Critical)
TIPS have unique tax treatment:
Federal Taxes
- Taxed as ordinary income on:
- Interest payments
- Inflation adjustments to principal (phantom income)
Phantom Income
- Investors owe tax annually on principal increases
- Even though cash is not received until maturity
State Taxes
- Exempt from state and local income tax
IRS guidance on TIPS taxation:
https://www.irs.gov/publications/p550
Tax Planning Implications
- TIPS are often held in:
- Tax-deferred accounts (IRAs, 401(k)s) to avoid phantom income issues
- If held in taxable accounts:
- Investors must have liquidity to pay annual taxes
10. Individual TIPS vs. TIPS Funds
Individual TIPS
- Provide certainty of real cash flows
- Ideal for liability matching
- No reinvestment or duration risk if held to maturity
TIPS Funds
- Maintain constant duration
- Exposed to ongoing interest rate risk
- Do not guarantee future real income
Additionally:
- Funds distribute both interest and inflation adjustments
- This can help cover tax liabilities
11. TIPS vs. I Bonds
The session clarified differences:
TIPS
- Marketable securities
- Tradable and liquid
- Suitable for ladder strategies
I Bonds
- Non-tradable savings bonds
- Purchased via TreasuryDirect
- Annual purchase limits ($10,000 per person)
Treasury explanation of I Bonds:
https://www.treasurydirect.gov/savings-bonds/i-bonds/
12. TIPS vs. Annuities
TIPS and annuities address different risks:
TIPS
- Hedge inflation risk
- Provide liquidity and control
- Limited to a fixed time horizon
Income Annuities
- Hedge longevity risk (income for life)
- Typically not fully inflation-adjusted
- Require giving up liquidity
In practice, they can be combined:
- TIPS ladder for early retirement
- Deferred annuity for late-life income
13. Key Tradeoffs in Portfolio Construction
Advantages of TIPS:
- Inflation protection
- Government-backed (low credit risk)
- Predictable real income when held to maturity
Limitations:
- Lower expected returns vs. equities
- Tax complexity (phantom income)
- Requires careful ladder construction
Key Takeaways
- TIPS provide reliable, inflation-adjusted income when held to maturity.
- A TIPS ladder can match future spending needs with real cash flows.
- Real yields determine the cost of securing inflation-protected income.
- Tax treatment—especially phantom income—is a critical planning factor.
- Individual TIPS are best for certainty; funds are better for liquidity and simplicity.
- TIPS complement (not replace) other retirement tools like Social Security and annuities.
This was an excellent session. I learned many new ideas and have a list of TIPS issues that I want to follow-up on.
- Mark Z.
I wish I had been advising this for clients for the last 10 years. Thank you Jay!
- Holly D.
Helpful to see a presentation on a way to use TIPS for retirement income funding.
- Robert D.

Attendees Comments:
This was an excellent session. I learned many new ideas and have a list of TIPS issues that I want to follow-up on.
- Mark Z.
I wish I had been advising this for clients for the last 10 years. Thank you Jay!
- Holly D.
Helpful to see a presentation on a way to use TIPS for retirement income funding.
- Robert D.