When revenue feels uncertain, the instinct is to wait.
Across many public entities, federal funding has become a more unpredictable piece of the overall revenue picture. Timing is less certain, policy direction is less clear, and assumptions that held a year ago are being revisited. In that kind of environment, holding reserves in overnight accounts can feel like the safest possible move.
It is also a decision with consequences.
When “Waiting” Becomes a Strategy
Idle reserves are rarely framed as an active choice, but in periods of uncertainty, they often become one. The logic is straightforward: if funding timing is unclear, liquidity should be maximized.
That thinking is directionally correct, but it can be taken too far.
Not all reserves are equally exposed to federal timing risk. Some funds are tied directly to near-term obligations or reimbursement cycles. Others sit further in the background, supporting longer-term stability or acting as contingency buffers. Treating all reserves as if they are needed tomorrow can lead to an overly conservative posture that leaves meaningful income on the table.
Separating Timing Risk from Liquidity Needs
A more durable approach is to separate what is uncertain from what is unknown.
Federal funding may introduce variability in timing, but it does not typically eliminate visibility into baseline operating needs. Payroll, debt service, and core expenditures still follow relatively predictable schedules. That foundation creates an opportunity to segment reserves more precisely.
Funds that may be needed on short notice should generally remain in highly liquid, stable structures. But funds that are less sensitive to federal timing, even in an uncertain environment, can be evaluated for modest extension along the yield curve.
This is not about reaching for yield. It is about recognizing that uncertainty is not uniform across all dollars.
The Cost of Over-Conservatism
In a declining or unstable rate environment, the cost of holding excess cash in overnight accounts becomes more visible. As rates move, income adjusts immediately, often downward, with no offset.
For entities managing large reserve balances, even small differences in yield can translate into meaningful changes in annual interest income. When those reserves are left entirely uninvested beyond overnight structures, the opportunity cost compounds quietly in the background.
That trade-off may be appropriate for a portion of funds. It is rarely appropriate for all of them.
Hypothetical Illustration: Annual income impact (assuming $100M in investable reserves, excluding operating funds)
The illustration below compares three investment approaches applied to the same pool of investable reserves ($100M, excluding operating funds). Each strategy represents a different posture — from keeping all reserves in overnight accounts to extending maturities along a modest ladder. The difference in annual income shown reflects how yield changes based on how reserves are structured. The goal is not to maximize return at the expense of liquidity, but to illustrate the opportunity cost of leaving all reserves idle when only a portion genuinely needs to be.
A Measured Path Forward
The objective in uncertain periods is not to predict outcomes. It is to build a structure that can accommodate a range of them.
A modest laddering approach, applied to a portion of reserve balances, can help balance liquidity and income. Staggered maturities provide periodic access to cash while reducing reliance on a single rate environment. At the same time, maintaining a clearly defined liquidity tier helps ensure that near-term needs are not compromised.
The result is not a dramatic shift in strategy, but a more intentional one.
The Takeaway for 2026
Uncertainty does not eliminate the need to make decisions. It changes how those decisions should be made.
If there is one idea worth carrying forward, it is this: not all reserves should be managed as if they are immediately at risk. Some require maximum flexibility. Others can be positioned to remain productive, even while the broader funding picture remains in flux.
The discipline lies in knowing the difference.
About Deep Blue Investment Advisors
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