Why Money Market Funds Aren’t ‘Cash On The Sidelines’

Risk-averse investors have poured trillions into money-market funds since 2019. Our Chief Fixed Income Strategist explains why investors shouldn’t expect this money to pivot to equities and other risk assets as rates fall.

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Welcome to Thoughts on the Market. I am Vishy Tirupattur, Morgan Stanley’s Chief Fixed Income Strategist. Along with my colleagues bringing you a variety of perspectives, today I'll be talking about money market funds.

It's Tuesday, August 6th at 3pm in New York.

Well over $6.5 trillion sit in US money market funds. A popular view in the financial media is that the assets under management in money market funds represent money on sidelines, waiting to be allocated to risk assets, especially stocks. The underlying thesis is that the current level of interest rates and the consequent high money market yields have resulted in accumulation of assets in money market funds; and, when policy easing gets under way and money market yields decline, these funds will be allocated towards risk assets, especially stocks. To that I would say, curb your enthusiasm.

Recent history provides helpful context. Since the end of 2019, money market funds have seen net inflows of about $2.6 trillion, occurring broadly in three phases. The first phase followed the outbreak of COVID, as the global economy suddenly faced a wide array of uncertainties. The second leg mainly comprised retail inflows, starting when the Fed began raising rates in 2022.The third stage came during the regional bank crisis in March-April 2023, with both retail and institutional flows fleeing regional bank deposits into money market funds.

Where do we go from here?

We think money market funds are unlikely to return to their pre-COVID levels of about $4 trillion, even if policy easing begins in September as our economists expect. They see three 25 basis point rate cuts in 2024 and four in 2025 as the economy achieves a soft landing; and they anticipate a shallow rate-cutting cycle, with the Fed stopping around 3.75 per cent. This means money market yields will likely stabilize around that level, albeit with a lag – but still be attractive versus cash alternatives.

In a hard landing scenario, the Fed will likely deliver significantly more cuts over a shorter period of time, but we think investors would be more inclined to seek liquidity and safety, allocating more assets to money market funds than to alternative assets.

Further, money market funds can delay the decline in their yields by simply extending the weighted average maturities of their portfolios and locking in current yields in the run-up to the cutting cycle. This makes money market funds more attractive than both short-term CDs and Treasury bills, whose yields reprice lower in sync with rate cuts. This relative appeal explains much of the lag between rate cuts and the peak in assets under management in money market funds. These have lagged historically, but average lag is around 12 months.

Finally, it is important to distinguish between institutional and retail flows into and out of money market funds, as their motivations are likely to be very different. Institutional funds account for 61 per cent of money market funds, while funds from retail sources amount to about 37 per cent. When they reallocate from money market funds, we think institutional investors are more likely to allocate to high-quality, short-duration fixed income assets rather than riskier assets such as stocks, motivated by safety rather than level of yield. Retail investors, the smaller segment, may have greater inclination to reallocate towards risk assets such as stocks.

The bottom line: While money market fund assets under management have grown meaningfully in the last few years, it is likely to stay high even as policy easing takes hold. Allocation toward risk assets looks to be both lagged and limited. Thus, this 'money on the sidelines' may not be as positive and as imminent a technical for risk assets as some people expect.

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