Portfolio Management Pathway · Liability-Driven and Index-Based Strategies

Active Fixed-Income Strategies and Yield Curve Positioning

Updated 8 October 2026 · Fact-checked

Active fixed-income strategies try to beat a bond benchmark by taking deliberate views on duration, yield curve shape, credit spreads and carry. To solve a question, name the view, pick the position that profits from it, check duration and spread exposure against the benchmark, and estimate the return.

Understand Active Fixed-Income Strategies and Yield Curve Positioning

A bond portfolio earns return from four main sources: yield income, rolldown (price change as bonds age along an unchanged curve), price changes from yield and spread moves, and credit losses. Active managers take positions that differ from the benchmark in these sources. Each position is a bet, so the client's risk budget and constraints decide how large the bet can be.

Duration management is the largest bet. If you expect yields to fall, you make portfolio duration longer than the benchmark. If you expect yields to rise, you make it shorter. Portfolio duration is the market-value-weighted average of the bond durations.

Yield curve positioning is about shape, not level. A steepener profits when long yields rise relative to short yields. A flattener profits when the gap narrows. A bullet holds bonds clustered around one maturity. A barbell holds short and long bonds with little in the middle. A ladder spreads equal amounts across many maturities. A duration-matched barbell has more convexity than the bullet, but usually gives up some yield. Matching duration does not remove exposure to shape changes. A flattening favours the barbell, and a steepening favours the bullet, before any convexity effect.

Carry and riding the yield curve work when the curve slopes upward. You buy a bond longer than your horizon and sell it after it has rolled down to a lower yield. The price rises if the curve does not move. The return is higher than that of a bond that matches your horizon, but it is not guaranteed. If yields rise by more than the breakeven amount, the strategy loses its advantage.

Credit and spread positioning adds spread duration, credit selection and sector views. You overweight credit if you expect spreads to tighten and underweight it if you expect them to widen. Spreads can widen sharply in stress, and credit bonds can be less liquid. A ladder's main advantage is liquidity and reinvestment at different rates. It is not a strong tool for taking an active view.

Key rules to remember

Approximate price change from a yield change: %ΔPrice ≈ −ModDur × Δy + ½ × Convexity × (Δy)²; Use the duration term for small moves. Add convexity for large moves. Δy is in decimal form.
Portfolio duration: Portfolio duration = Σ (weight of bond i × duration of bond i); Weights are market-value weights. Use this to find barbell weights that match a bullet's duration.
Rolling yield: Rolling yield = (coupon income ÷ bond price) + rolldown return; Rolldown return is the price gain from the bond moving to a shorter maturity on an unchanged curve.
Credit spread price effect: %ΔPrice ≈ −SpreadDuration × ΔSpread; Use this for spread moves with benchmark yields unchanged. Add the duration effect for a benchmark yield move.
Total return approximation: Return ≈ yield income + rolldown + (−ModDur × Δy + ½ × Convexity × (Δy)²) + (−SpreadDur × ΔSpread) − expected credit losses; Use it to compare positions under a scenario. Keep each source of return on its own line.
Curve shape rules: Flattening: barbell beats bullet. Steepening: bullet beats barbell (duration-matched, before convexity).; Check which end of the curve moves. Do not rely on the word alone.

How to solve Active Fixed-Income Strategies and Yield Curve Positioning questions

Use this order for any item set or essay on active fixed-income positioning.

1Read the command word and the number of responses asked for. Answer only that many, in the order given.
2Identify the client or manager view: the direction of yields, the curve shape change, spread change, or a stable curve.
3Translate the view into a position: longer or shorter duration, steepener or flattener, barbell or bullet, more or less credit, or ride the curve.
4Check the exposures against the benchmark and constraints: duration band, spread duration, liquidity, credit quality limits and risk budget.
5Calculate if asked. Show duration weights, price changes or returns line by line, and give the final number on its own line.
6State the trade-off in one sentence: convexity vs yield, carry vs breakeven risk, or spread income vs widening risk.
7Give the recommendation and one reason tied to the client's objective or constraint.

Quickest way: View, position, check

When to use it: Use this when you have little time in an item set and need to choose between position options.

Write the view in one line, for example: long yields fall more than short yields, so the curve flattens.
Pick the position: flattening means barbell or long-end overweight; steepening means bullet or short-end overweight.
For a rate level view, move duration in the same direction as your yield expectation (lower yields, longer duration).
For a stable upward-sloping curve, pick the longer bond and ride the curve, then test the breakeven yield rise.
For a spread view, tight spreads mean add spread duration; wide spreads mean cut it.
Eliminate options that break a stated constraint.

Common mistakes in Active Fixed-Income Strategies and Yield Curve Positioning

Saying a duration-matched barbell and bullet respond identically to any curve move.
Equal duration is mistaken for equal exposure to all rate changes.
Fix: Duration covers parallel moves only. For shape changes, a flattening favours the barbell and a steepening favours the bullet. Convexity adds a further difference.
Mixing up steepener and flattener direction.
Students focus on the word instead of the spread between long and short yields.
Fix: Steepening means the long-minus-short yield gap widens. Flattening means it narrows. Draw the two yields before choosing.
Treating riding the yield curve as risk-free extra return.
The rolldown gain looks certain when the curve is assumed unchanged.
Fix: It only works if the curve does not rise enough. Compute the breakeven yield increase and state that a larger rise would remove the gain.
Adding credit exposure only by looking at yield, ignoring spread duration and liquidity.
Higher spread looks like free income.
Fix: Check spread duration, expected losses, liquidity and the client's risk limits. Credit positions can lose heavily if spreads widen.
Using portfolio maturity instead of duration to match a barbell to a bullet.
Average maturity is easier to compute.
Fix: Solve for weights using durations, with the weights summing to one.
Calling a ladder an active duration view.
Ladders are held across the curve and look like a chosen structure.
Fix: A ladder spreads maturities evenly, with limited view-taking. Its main benefits are liquidity and reinvestment diversification.

Worked examples

Example 1

The zero-coupon yield curve is: 1-year 3.00%, 2-year 3.50%, 3-year 4.00%. A manager has a one-year horizon and expects the curve to stay unchanged. (a) Calculate the one-year return from buying the 3-year zero and selling it after one year. (b) Compare with the 1-year zero. (c) Find the 2-year yield at the end of the year at which the 3-year zero only matches the 1-year zero return.

Show the solution

Price of the 3-year zero today = 100 ÷ 1.04³ = 100 ÷ 1.124864 = 88.8996.
After one year the bond is a 2-year zero. On an unchanged curve its yield is 3.50%, so price = 100 ÷ 1.035² = 100 ÷ 1.071225 = 93.3510.
Return = 93.3510 ÷ 88.8996 − 1 = 5.01%.
The 1-year zero returns 3.00% over the year. The riding strategy adds about 2.01 percentage points.
For breakeven the ending price must be 88.8996 × 1.03 = 91.5666.
Breakeven 2-year yield = (100 ÷ 91.5666)^(1/2) − 1 = 1.0921^(0.5) − 1 = 4.50%.
The 2-year yield can rise from 3.50% to 4.50% (about 100 basis points) before the strategy loses its advantage.

Answer: (a) About 5.01%. (b) About 2.01 percentage points more than the 3.00% from the 1-year zero. (c) Breakeven 2-year yield of about 4.50%, a rise of about 100 basis points.

Example 2

A portfolio manager expects the yield curve to flatten, with little change in the average yield level. A bullet position holds a 5-year bond with duration 5.0. The alternative is a barbell of a 2-year bond (duration 1.9) and a 10-year bond (duration 8.5) with the same duration as the bullet. (a) Calculate the barbell weights. (b) Recommend a position and give the trade-off.

Show the solution

Let w be the weight in the 2-year bond. Then 1.9w + 8.5(1 − w) = 5.0.
8.5 − 6.6w = 5.0, so w = 3.5 ÷ 6.6 = 0.5303.
Weight in the 2-year bond = 53.03%. Weight in the 10-year bond = 46.97%.
Check: 0.5303 × 1.9 + 0.4697 × 8.5 = 1.0076 + 3.9925 = 5.00.
A flattening curve favours the barbell over a duration-matched bullet, because the barbell has more exposure to the long end, where yields are expected to fall relative to short yields.
The barbell also has higher convexity, which helps if yields move a lot. The trade-off is that the barbell usually has lower yield than the bullet, so it gives up carry if the curve stays unchanged.

Answer: (a) 53.03% in the 2-year bond and 46.97% in the 10-year bond. (b) Choose the barbell. It benefits from flattening and has higher convexity, but it usually gives up some yield compared with the bullet.

Exam tips

Show the weight equation and the final weights. A correct number alone earns full credit, but working protects you if the number is off.
When a vignette gives a curve view, name the shape change first (flattening or steepening) before the position. This keeps the answer in the right direction.
For riding the yield curve, always check the holding period and whether the curve is upward sloping. State the breakeven if the question hints at rate risk.
For credit positioning, tie the answer to the constraints in the vignette: risk budget, liquidity needs and permitted credit quality.
Answer with the number of responses asked for. Extra points beyond that are not evaluated.

Active Fixed-Income Strategies and Yield Curve Positioning: frequently asked questions

What is riding the yield curve?

It means buying a bond with a maturity longer than your horizon on an upward-sloping curve and selling it as it rolls down to a lower yield. If the curve does not change, the price gain adds to the coupon income. A rise in yields can reduce or remove the gain.

Which is better, barbell, bullet or ladder?

None is better in all cases. A barbell suits a flattening view and gives more convexity. A bullet suits a steepening view and usually has higher yield. A ladder gives liquidity and diversified reinvestment but does not express a strong view.

What do steepener and flattener mean?

A steepener profits when the yield gap between long and short maturities widens. A flattener profits when that gap narrows. In bond portfolios, you express a flattener with more long-end exposure, and a steepener with more short-end exposure.

How are credit strategies used in active bond portfolios?

Managers change spread duration, credit quality and sector weights relative to the benchmark. They add credit when they expect spreads to tighten and reduce it when they expect widening. They must check liquidity, expected losses and client constraints.