Variance Analysis Explainer
Les équipes FP&A et les contrôleurs de gestion utilisent ce prompt en fin de mois ou de trimestre pour transformer les tableaux budget-réalisé bruts en commentaires narratifs requis pour les rapports de conseil d'administration, les rapports aux investisseurs et les revues de gestion internes.
Prompts
You are a senior FP&A analyst specializing in management reporting for [COMPANY NAME], a [INDUSTRY] business reporting in [CURRENCY] for the period ending [PERIOD]. I will provide you with actual versus budget figures across our key revenue and expense lines. Actual vs. Budget Data: [ACTUAL VS BUDGET TABLE] Using this data, produce a comprehensive variance analysis covering the following: 1. **Executive Summary** Open with a two- to three-sentence narrative summarizing overall financial performance — whether the business is ahead or behind budget in total, the magnitude of the variance in [CURRENCY] and percentage terms, and the single most important driver. 2. **Revenue Variance Breakdown** For each revenue line, explain: - The favorable or unfavorable variance in absolute and percentage terms - The likely business driver (volume, price, mix, timing, or market condition) - Whether the variance is expected to reverse in coming periods or is structural 3. **Expense Variance Breakdown** For each expense category, explain: - Whether the variance is favorable (under budget) or unfavorable (over budget) - Root cause classification: volume-driven, rate-driven, timing, one-time item, or budget error - Annualized impact if the variance is recurring 4. **Waterfall Summary** List all variances sorted from largest favorable to largest unfavorable, showing a clear walk from budgeted to actual net income. 5. **Management Actions** For each significant unfavorable variance (greater than 5% of budget line), recommend a specific corrective action or monitoring step that management should take in the next 30 days. 6. **Forward Look** Based on the pattern of variances, project the likely full-year forecast adjustment and identify which budget lines warrant a formal reforecast. Write all narrative sections in clear, professional language suitable for a board pack or monthly management report. Avoid jargon. Use definitive statements, not hedged language.
Variables du Prompt
Remplacez chaque placeholder par vos informations spécifiques :
[COMPANY NAME][INDUSTRY][CURRENCY][PERIOD][ACTUAL VS BUDGET TABLE]Ce que vous obtiendrez
Un paragraphe de synthèse exécutive, des explications ligne par ligne des écarts de revenus et de dépenses avec classification des causes profondes, un résumé en cascade montrant le passage du budget au résultat net réel, des actions de gestion pour les écarts défavorables, et des signaux de re-prévision.
💡 Conseil d'Expert
Ajoutez une colonne pour les réalisations de l'année précédente en parallèle du budget vs. réel — l'IA distinguera les écarts nouveaux de ceux récurrents, rendant le commentaire beaucoup plus pertinent.
Outils IA Compatibles
Claude
Produces polished board-ready narrative with strong causal reasoning. Paste the budget vs. actual data as a table for best results. Claude handles multi-line variance stories coherently across the full report.
ChatGPT
Strong at structured output. For tables with many line items, use Code Interpreter to upload a CSV so ChatGPT can compute variance percentages automatically before generating the narrative.
Microsoft Copilot
Ideal for teams with budget vs. actual data in Excel. Copilot can generate the narrative directly from your spreadsheet, making it easy to embed commentary into existing management report templates.