fin-variance-analysis

Decompose actual versus budget variances into volume, price, mix, and other drivers.

Updated Apr 6, 2026
One-click install
npx skills add https://github.com/DavidsonGomes/claude_cowork_workspace --skill fin-variance-analysis-davidsongomes
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: fin-variance-analysis
Source: https://github.com/DavidsonGomes/claude_cowork_workspace/tree/main/.claude/skills/fin-variance-analysis
Command: npx skills add https://github.com/DavidsonGomes/claude_cowork_workspace --skill fin-variance-analysis-davidsongomes

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Variance analysis can be time consuming and opaque; this skill decomposes actual vs budget or prior period into clear drivers and provides structured narrative explanations and a textual waterfall to support leadership communication.

Core Features & Use Cases

  • Variance decomposition across price, volume, mix, and other drivers for revenue, COGS, payroll, and OpEx.
  • Narrative generation that explains causes with quantified factors and forward-looking context.
  • Text-based waterfall and bridge tables to visualize start value, drivers, and ending variance.
  • Use Cases: monthly close variance packs, board-ready commentary, and scenario planning.

Quick Start

Analyze the current period's budget vs actual, generate driver narratives, and produce a textual waterfall for leadership review.

Frequently Asked Questions about fin-variance-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I decompose actual vs budget variances into volume, price, and mix drivers?

Variance decomposition breaks down actual vs budget or prior period gaps into volume, price, mix, and other drivers. This applies to revenue, COGS, payroll, and OpEx, providing quantified factors and structured narrative explanations for clear business insights.

Can I generate a narrative explanation for my financial variance analysis?

Yes, narrative generation explains variance causes with quantified factors and forward-looking context. It produces structured commentary suitable for monthly close packs and board-ready reviews, applying standard variance formulas, materiality thresholds, and validation guardrails.

What is the best way to create a textual waterfall chart for actual vs budget differences?

A textual waterfall visualizes the bridge between a starting value and ending variance by listing each driver's impact. This approach generates bridge tables showing volume, price, and mix effects to support leadership communication without graphical tools.

Does variance analysis work for comparing forecast and prior-period financials?

Yes, variance analysis applies across budget vs actual, forecast, and prior-period comparisons. It evaluates revenue, COGS, payroll, and OpEx data, satisfying standard variance formulas and materiality thresholds to deliver validated driver-level insights.

How do I build a monthly close variance pack with driver-level insights?

Monthly close variance packs are built by analyzing current period actuals against budgets, decomposing gaps into driver-level variances, and generating narrative explanations with textual waterfalls. This satisfies standard formulas and materiality thresholds for leadership review.