Cash is no longer neutral – its role in portfolios is growing
Euro cash has moved from passive placeholder to active allocation, where structure and implementation can potentially shape portfolio outcomes.
Key points
- Higher front‑end rates and increased volatility have made cash implementation choices more consequential.
- Not all money market exposures are equal – structure, maturity and credit risk drive how the holding behaves.
- Investor adoption is building. The Vanguard EUR Cash UCITS ETF has reached $400 million AUM since its December 2025 launch.
Cash has become an active decision again
Cash has long been treated as a residual position – a temporary holding or mechanical offset to risk assets. That assumption was reinforced by years of low and negative rates.
Today’s environment is different. Higher front‑end rates, increased macro uncertainty and more frequent repricing of short‑dated instruments mean that euro cash is once again contributing to portfolio outcomes. The cost of poor implementation is no longer negligible, as differences in structure, maturity and credit exposure can lead to materially different outcomes across cash strategies.
The result: cash is no longer neutral. The distinction between “cash” and “cash‑like” exposures now matters.
Not all euro cash exposures behave the same
Many euro cash products appear similar on the surface. But in practice, outcomes are driven by a small set of structural decisions. In our latest deep-dive exposure analysis, we unpack these key decisions, looking at:
- Credit exposure: Yield differences are often achieved by introducing corporate or securitised risk – which can amplify drawdowns when spreads widen.
- Maturity profile: Extending maturity can enhance yield but increases sensitivity to front‑end repricing, particularly during periods of volatility.
- Replication method: Synthetic approaches may rely on swap structures and collateral baskets that extend beyond cash instruments, while physical replication provides direct exposure to underlying money market assets.
- Fund structure (VNAV vs. LVNAV/CNAV): Structures that mark holdings to market daily can provide greater transparency into portfolio behaviour, especially in stressed conditions1.
The impact of these differences is not always immediately apparent in benign markets. But it can emerge when you need to rely on cash exposure the most.
Adoption is already underway
Investors are increasingly reassessing how to manage liquidity, generate income and preserve capital in a higher‑rate environment. Growing demand for cash exposure is visible in the flows. The Vanguard EUR Cash UCITS ETF, which launched in December 2025, has surpassed $400 million in AUM – an indication that euro cash is increasingly being used as an active allocation2.
For portfolio constructors, cash is no longer just “parked”. It’s deployed.
See what a more deliberate approach to cash can mean for your portfolio in our deep dive, Euro cash unpacked.
1 VNAV = variable net asset value (the approach Vanguard uses), LVNAV = low volatility net asset value and CNAV = constant net asset value. These three structures are discussed in our analysis, Euro cash unpacked, available for download on this page.
2 Source: Vanguard, as at 27 May 2026 the ETF’s AUM was $401 million. The ETF launched on 11 December 2025.
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