How Can You Make Your Forecasting More Reliable? 17 Sep 2024
Why Is Financial Forecasting Important?
In business, accurate financial forecasting is crucial. Many managers encounter a common yet significant challenge: discrepancies between historical data and future predictions in their financial models. These mismatches can lead to flawed forecasts and poor decision-making, undermining their ability to make good strategic decisions.
Understanding how to identify and correct these discrepancies not only secures the accuracy of financial models but also provides numerous benefits that can drive business success.
The Challenge
Imagine a business manager scrutinizing the company’s financial model only to discover discrepancies between historical data and future predictions. These mismatches are more than just numerical errors; they can result in a series of inaccurate forecasts, leading to misguided strategies, inefficient resource allocation, and ultimately poor decision-making.
If unresolved, the gap between what has happened and what is expected to happen can erode confidence in the model, making it difficult for managers to plan effectively for the company’s future.

Operating model historic balances
Operating model historic balances refer to the financial data and balances that are recorded from past operations within a company’s financial model. These balances include all historical transactions, revenues, expenses, and cash flows up to the present time. They serve as a foundation for predicting future financial performance and are crucial for creating accurate forecasts. When there are discrepancies between these historical balances and projected data, adjustments must be made to ensure the financial model remains accurate and reliable.
Why do imbalances happen?
Cash flow discrepancies often arise from variances between historical performance and forecast assumptions. Timing issues with payments to creditors or debtors can exacerbate these imbalances. Some key factors to consider include:
Delayed Payments: If payments from debtors are delayed beyond what was forecasted, it can result in a temporary shortfall in cash inflows. Similarly, if payments to creditors are delayed, it can create an unexpected surplus of cash, but may harm supplier relationships.

Inaccurate Forecasts: Assumptions made during the forecasting process may not always align with actual events. For example, predicting a one-month delay in payments that turns out to be three months can drastically affect cash flow projections.
Unexpected Expenses: Unplanned expenses, such as legal claims or urgent repairs, can also cause discrepancies. These items might appear on the balance sheet but do not convert to cash quickly, leading to unforeseen cash outflows.
Seasonal Variations: Many businesses experience seasonal fluctuations in sales and expenses. Failure to accurately predict these patterns can lead to significant cash flow discrepancies.
Market Conditions: Changes in market conditions, such as economic downturns or changes in consumer behavior, can affect cash flow. These conditions might lead to slower payments from customers or increased costs, which are not always accounted for in the initial forecast.
Regulatory Changes: New regulations or changes in existing ones can impose additional costs or delay payments, contributing to cash flow inconsistencies.
Some methods to help prevent the issue
If you’re unable to modify the model directly or don’t have the budget for outside help, you can still make adjustments using the existing inputs:
- Adjust Balances: Move balances that shouldn’t affect cash flow from debtor/creditor accounts to a different line where they won’t impact cash flow.
- Change Cash Flow Entries: If certain items should clear more slowly, adjust the cash flow forecast. Add a cash inflow in the first period equal to the movement that shouldn’t happen immediately and schedule cash outflows for later periods when payments should actually occur. Ensure that the total adjustment equals zero.
- Document Adjustments: Include comments to explain the changes you made for clarity.
Using financial forecasting tools in Excel
These issues can impact professionals in all business industries, as such, not everyone who faces the issue will be confident in editing a financial model in Excel.
Industry leader in the finance sector, Operis, have released their in-house Excel Add-In to the public. Operis Analysis Kit (OAK) provides all the tools for financial forecasting you could need to make excellent modelling simpler and more effective.
OAK will streamline your Excel experience, offering a tool kit to enable you to be confident in your in your financial analysis.
Discover more about OAK’s impressive features. Alternatively, start a 30 day free trial today.
Our expert team are always happy to answer any questions you may have, contact us using our enquiry form.






