Rethinking US and international money market management

Cash management has become a more deliberate portfolio decision, writes Christopher Schmück

Rethinking US and international money market management

For decades, money market investing was viewed as the most conservative and least dynamic corner of fixed income. When cash yields were negligible, it was commonly seen as a drag on portfolio performance rather than a strategic allocation. Portfolio managers focused on safety, liquidity and operational simplicity, with returns largely dictated by central bank policy and Treasury issuance.

Today’s money market environment—particularly in U.S. dollars—is influenced by more than central bank policy alone. Issuance patterns, regulatory demand and balance-sheet considerations all play a role in shaping front-end yields. Cash management has become a more deliberate portfolio decision, where relative value, funding mechanics and cross-market dynamics can meaningfully affect results.

The changing structure of the U.S. Treasury bill market

U.S. Treasury bills remain the backbone of global liquidity. They are widely used as collateral in repo markets where investors borrow or lend cash against securities, and they underpin day-to-day liquidity management for banks, asset managers, and pension plans.

Over the past several years, the U.S. Treasury has adjusted its issuance strategy in response to debt-ceiling dynamics, fiscal deficits and broader funding objectives. Periods of reduced bill issuance—whether driven by debt-limit constraints or a shift toward longer-dated coupon supply—have at times tightened front-end liquidity. These effects are further shaped by Federal Reserve balance-sheet policy and liquidity facilities, which influence the availability of reserves and the demand for short-dated government securities.

How professional money market managers maximize yield without adding excessive risk

Cash should not be treated as a residual allocation within institutional portfolios. It is a core component of the investment mandate and often one of the most persistent exposures. Institutional money market management is not about taking duration or credit risk, but about precision. Managers seek to extract incremental return by carefully navigating:

  • Issuance patterns along the T-bill curve
  • Repo versus outright funding economics
  • Settlement timing and cash-flow predictability
  • Liquidity premiums embedded in specific maturities

This is balance-sheet optimization rather than traditional leverage, with a focus on liquidity and capital preservation.

No Longer a US Market: Why international money markets matter more than ever

What has become increasingly clear is that U.S. money markets do not exist in isolation. Short-term interest rate curves across developed markets are linked through foreign exchange forwards and funding markets. When those links are imperfect, opportunities emerge.

Canadian Treasury bills typically trade at lower outright yields than U.S. T-bills. On the surface, this would appear unattractive for a U.S. dollar investor. However, foreign exchange forwards embed the relative short-term interest rate differential between the two currencies. For example, with three-month Canadian Treasury bills yielding roughly 2.2% and the Canadian dollar trading at a forward premium of roughly 50 pips, the FX hedge adds about 1.5% annualized to the Canadian return. When fully hedged back to U.S. dollars, this can result in a USD-equivalent yield that is broadly in line with, or modestly above, comparable U.S. Treasury bills.

When FX forwards matter: Turning currency hedging into yield

In theory, covered interest parity implies that a fully hedged money market investment should deliver similar returns across currencies. In practice, short-term funding dynamics and market segmentation can cause small deviations from this relationship, creating modest relative-value opportunities in international money markets.

At current market levels, this exercise produces a small but positive yield pickup—on the order of a few basis points—relative to comparable U.S. Treasury bills. That margin is not an arbitrage windfall. It reflects temporary imbalances between supply, demand and funding conditions across jurisdictions.

Importantly, the risk expectation does not change:

  • Credit exposure remains sovereign
  • Duration remains firmly in the front end
  • FX risk is fully hedged
  • Liquidity remains daily

Why this matters for pension plans and institutional investors

For pension funds and long-term asset owners, cash allocations are no longer trivial. Cash balances fluctuate with contributions, benefit payments, collateral requirements and transition management needs. In an environment where short-term yields are meaningfully positive, holding liquidity also carries a lower opportunity cost than in the past, reinforcing the role of money markets as both a defensive allocation and a source of readily deployable capital.

More importantly, diversified money market exposure provides flexibility. When U.S. bill supply tightens or repo markets become less attractive, international instruments can offer an alternative source of liquidity without sacrificing safety. While this approach requires operational sophistication and a solid understanding of FX hedging mechanics, these capabilities are often already in place for institutions managing global portfolios.

Cash as a strategic asset, not a placeholder

U.S. Treasury bill yields reflect more than policy rates and international curves provide additional levers for disciplined managers.

In a world where front-end yields are shaped by politics, regulation and balance-sheet constraints, the most effective money market strategies are those that treat cash as a portfolio—one that can be actively structured, internationally diversified and carefully optimized without compromising its core purpose.

Christopher Schmück is a portfolio manager and Head of Currency and Liquidity Management in the public markets domain at Fiera Capital. He leads the investment strategies in the currency field and oversees short-term trading activities for the firm.