What is Flux Analysis?
The month-end review that explains why each account changed period over period - the auditor favorite question.
Flux Analysis: definition
At close, controllers and auditors ask a simple question of every material account: why did this move? Flux analysis answers it, comparing current-period balances to the prior period or budget, flagging significant changes, and documenting the reason - a new customer, a price change, a one-off expense. It catches errors, validates the numbers, and produces the narrative behind the financials.
- Compares each account to prior period, prior year, or budget
- Flags changes exceeding a dollar or percentage threshold
- Requires a documented explanation for each significant flux
- A core control in the month-end close and audit
How Fintra handles it
Fintra computes flux automatically across accounts and, because it holds the underlying transactions, can propose the likely drivers of each change rather than leaving analysts to hunt through detail. Explanations are captured against each flux for the audit trail, and a named human reviews and confirms them at close.
- Automatic period-over-period and budget flux across accounts
- AI proposes likely drivers from the underlying transactions
- Explanations captured against each flux for audit
Worked example
Frequently asked questions
What is flux analysis in accounting?
It is the review of fluctuations in account balances between periods, with a documented explanation for each significant change. Performed at month-end close, it validates the numbers, catches errors, and produces the story behind movements in the financials.
Why do auditors ask for flux analysis?
Because unexplained changes can indicate errors, misstatements, or unusual activity. A documented flux analysis gives auditors assurance that management understands and can justify the movements in each account, speeding the audit and strengthening controls.
What threshold should trigger a flux explanation?
Typically a combination of a dollar amount and a percentage - for example, any change over $10,000 and 10%. This focuses effort on material movements. Fintra lets you set thresholds so only meaningful fluxes require explanation.
What is the difference between flux analysis and variance analysis?
They overlap. Variance analysis usually compares actuals to budget; flux analysis compares period to period (or to prior year), though it can also compare to budget. Both explain differences; flux is most associated with the month-end close review.
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