Key Takeaways
- Invests to match liabilities and reduce funding volatility.
- Uses cash-flow and duration matching to hedge risks.
- Commonly used by pension schemes and insurers.
- Dynamic LDI adjusts asset allocation with funded status.
What is Liability Driven Investment (LDI)?
Liability Driven Investment (LDI) is an investment approach that aligns a portfolio's assets specifically to meet its known future obligations. It is commonly used by pension funds and insurers to reduce the risk of funding shortfalls by matching asset performance to liability cash flows.
Instead of focusing solely on maximizing returns, LDI aims to stabilize the funded status by hedging interest rate and inflation risks inherent in the liabilities.
Key Characteristics
LDI portfolios are structured with several defining features that focus on risk management and cash flow matching.
- Cash-flow matching: Investments are selected to replicate the timing of liability payments, minimizing liquidity risk.
- Duration matching: Asset durations are aligned with liability durations to reduce sensitivity to interest rate changes.
- Inflation hedging: Use of instruments like inflation swaps and index-linked bonds protect against inflation impacting liabilities.
- Use of derivatives: Swaps and futures are employed to efficiently obtain exposure while managing collateral needs.
- Customized benchmarks: Portfolios often include liability-based benchmarks created through data analytics to track unique liability cash flows.
How It Works
LDI works by first analyzing the size, timing, and risk profile of your future obligations, then building an asset portfolio that mirrors these characteristics. This alignment ensures that changes in interest rates or inflation impact assets and liabilities similarly, reducing funding volatility.
Dynamic LDI strategies adjust asset allocations based on funded status improvements, gradually shifting investments toward safer, liability-matched assets as funding goals are met. This tactical adjustment can complement broader tactical asset allocation decisions to balance growth and risk control.
Examples and Use Cases
LDI is widely used across industries with significant pension liabilities, helping organizations manage long-term financial commitments.
- Airlines: Companies like Delta use LDI to manage pension plan risks amid volatile market conditions.
- Insurance firms: Insurers adopt LDI to ensure asset portfolios cover policyholder obligations accurately.
- Pension schemes: Defined benefit plans employ LDI to stabilize funding ratios and control contribution requirements.
- Fixed income investors: Utilizing strategies similar to those in best bond ETFs can complement LDI by providing diversified exposure to interest-rate-sensitive assets.
Important Considerations
While LDI reduces risk related to liabilities, it introduces complexity, requiring careful monitoring and expertise in fixed income markets and derivative instruments. Liquidity risk and leverage must be managed prudently to avoid forced asset sales during market stress.
Evaluating LDI within the context of your broader portfolio, including cost-efficiency considerations like those found in best low-cost index funds, can help optimize outcomes and maintain flexibility for changing financial obligations.
Final Words
Liability Driven Investment aligns your portfolio with future obligations, reducing funding volatility by matching assets to liabilities. Consider evaluating your current asset-liability alignment with a specialist to enhance stability and cash flow certainty.
Frequently Asked Questions
Liability Driven Investment (LDI) is an approach that designs investment portfolios to match the size, timing, and risk profile of known future obligations, primarily used by pension schemes and insurers to reduce funding volatility and ensure cash is available when benefits are due.
Pension schemes use LDI to reduce the volatility of their funded status by investing in assets that move in line with their liabilities, helping ensure they can meet promised benefit payments without focusing solely on maximizing returns.
LDI employs strategies such as cash-flow matching with bonds, duration matching to offset liability duration, inflation hedging using index-linked gilts and swaps, and overlays like swaps and futures to maintain hedge exposure efficiently.
Pooled LDI funds provide smaller schemes with access to hedging and operational support, while segregated mandates allow for more tailored hedges and collateral management, with the latter generally better able to handle market volatility.
Dynamic LDI adjusts the investment allocation based on the plan’s funded status, gradually shifting more assets toward LDI strategies as funding improves to lock in gains and reduce equity risk over time.
LDI strategies often include inflation hedging by using index-linked gilts and inflation swaps to ensure that benefit payments linked to inflation are adequately covered by the investment portfolio.
Effective LDI requires detailed analysis of a client’s liability profile, including sensitivity to interest rates and credit spreads, to tailor the investment strategy and ensure assets align closely with future obligations.
Yes, through duration matching, LDI strategies align asset duration with liability duration, so that interest rate changes impact assets and liabilities similarly, stabilizing the funded status of the plan.


