This article is a guest post by the leader of CohnReznick's Risk Advisory practiceYvette Connorand Managing Director of CxO AdvisoryDrew Illingworth. The views expressed in this article are solely those of the authors.

Not long ago, financial leadership could rely on fixed financial inputs and operate in predictable patterns within an annual planning cycle. Today, those assumptions have been upended—a single trade announcement can revalue an entire supply chain's pricing overnight.

The traditional CFO playbook relies on locked budgets and variance monitoring, with built-in buffers for incremental corrections. But that playbook was designed for a slower-paced world. What once served as an effective steering mechanism has now become a constraint. When the finance organization's underlying limitations prevent it from proactively responding to market changes, financial adaptability is out of reach.

CFOs who manage well in the current environment generally have finance organizations that have completed three shifts worth examining.

1. Elevate scenario planning from a quarterly exercise to a standing mechanism

The most effective scenario planning is achieved through iteration and continuous simulation. It is a living system that adjusts at the same speed as conditions change. This enables financial leadership teams to move from reactive response to proactive advantage—minimizing disruption through continuous fine-tuning.

A solid starting point is to build at least three credible cost scenarios—a baseline scenario, a stress scenario, and a disruption scenario—and ensure they remain updated as the environment evolves. This means confronting the right questions:

  • At what input cost threshold does pricing strategy need to change?
  • At what point must sourcing patterns pivot?
  • To what extent must margins compress before capital expenditures are deferred?

When these thresholds are agreed upon in advance, what the CFO presents to the board is no longer a problem, but a proactive action plan. This is a fundamentally different conversation from explaining after the fact why margins fell short of guidance.

The technology supporting this mechanism already exists at affordable prices, and the biggest constraint is rarely the tool itself. What distinguishes excellence from adequacy lies in the discipline of maintaining the models and the coordination of the organization in acting on their outputs.

2. Look beyond tier-one suppliers to identify the biggest supply chain blind spots

Most companies have reasonable visibility into their direct suppliers, but risk lurks deeper in the chain.

Tier-two and tier-three suppliers—the firms that supply your suppliers—often constitute single-source risks that do not appear on any internal risk register until something goes wrong. And by the time that awareness arrives, the damage has already been done.

This is by no means a theoretical concern. Examples such as shortages of semiconductor components, specialty chemicals, and critical sub-assemblies have permeated daily life, with ripple effects traveling through supply chains in ways that tier-one supplier relationships cannot predict or absorb.

Financial leaders who limit operational due diligence to tier-one suppliers have come to recognize that the opportunity cost of ignoring tier-two and tier-three suppliers is far greater than previously imagined.

The CFO's role here is not to become a supply chain manager, but to ask the right questions:

  • Where in our cost structure do we depend on single-source relationships that are not under our direct control?
  • What is our exposure if a critical tier-two supplier goes down?
  • How much revenue loss and premium procurement cost would a 60-day disruption of key inputs cause?

Quantifying the answers to these questions can be worth more than any amount of qualitative risk assessment. The quantified results will inform the CFO's dialogue with operational leadership—discussing whether the existing supplier base has been stress-tested against reasonable disruption scenarios.

Similarly, geographic distribution is another underestimated blind spot. The goal is not simply to pursue efficiency by operating in as many countries as possible, but to choose locations that can support resilience when risk strikes. True supply chain resilience means not only knowing where suppliers are located, but also understanding the sources of their key inputs.

3. Margin management requires fast feedback loops

One of the clearest signals that finance organizations are not built for cost volatility is that margin variances only surface at month-end close. In a volatile input environment, a 30-day lag between cost changes and management response can be the dividing line between profitability and losses.

The combination of speed and precision is the possible answer to efficient margin management. Well-managed financial leaders have collaborated with operations and procurement to establish near-real-time cost tracking for key input categories.

This does not mean every line item needs real-time monitoring. Instead, the focus is on concentrating visibility on the 5 to 10 input categories that drive most of the cost of goods sold (COGS), tracking them on a weekly, daily, or even real-time basis.

This visibility delivers two major values: first, it enables early pricing actions when input costs undergo substantial changes; second, it provides more credible guidance to the board and investors regarding margin trends.

Both have practical value. The former protects the income statement, and the latter protects market confidence in management's ability to navigate uncertainty. When noise begins to dominate the decision-making path, these enablers reshape the thought process toward pragmatism—replacing gut reactions with data-backed reasoning.

Expectations have changed

The old planning cycle has not failed; it is simply no longer sufficient. Boards and investors do not expect CFOs to predict the next trade policy announcement or geopolitical disruption. They expect CFOs to demonstrate that they have a system: a true operational approach that can identify cost exposures early, model financial impacts across scenarios, and act with enough lead time to protect margins and liquidity.

The readiness of adaptive leaders constitutes the strongest resistance against market volatility. The CFOs who perform best in the current environment are precisely those who have internalized this distinction and built their finance functions accordingly.