variance-analysis

Decompose financial variances into driver-level components with waterfall outputs.

1|Updated Mar 9, 2026
One-click install
npx skills add https://github.com/kiryteo/opencode-setup --skill variance-analysis-kiryteo
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: variance-analysis
Source: https://github.com/kiryteo/opencode-setup/tree/main/skills/variance-analysis
Command: npx skills add https://github.com/kiryteo/opencode-setup --skill variance-analysis-kiryteo

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Decomposes financial variances into driver-level components and provides narrative explanations and waterfall analyses to support leadership-ready reporting.

Core Features & Use Cases

  • Variance decomposition techniques (price/volume, rate/mix, headcount/compensation)
  • Narrative generation for each driver with quantified impact
  • Waterfall chart data structure and text-based bridge to reconcile starting vs ending values
  • Budget vs actual, forecast vs budget, and prior-period variance analysis
  • Materiality thresholds and investigation triggers to prioritize follow-up

Quick Start

Analyze a provided budget vs actual dataset to generate driver-based variance explanations and a waterfall narrative.

Frequently Asked Questions about variance-analysis

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

FAQPage Schema
How do I analyze budget vs actual variances with driver-level decomposition?

Budget vs actual variance analysis decomposes discrepancies into driver-level components like price/volume or rate/mix. This approach generates leadership-ready narratives and waterfall chart data structures to reconcile starting and ending values clearly.

What is the best way to generate narrative explanations for financial forecast variances?

Generating forecast variance narratives involves quantifying the impact of specific financial drivers and applying materiality thresholds. This process creates text-based bridges and prioritized investigation triggers to support leadership-ready reporting.

How do I create a waterfall chart data structure for period-over-period financial changes?

Waterfall chart data structures for period-over-period changes are created by decomposing the total variance into quantified driver components. This methodology reconciles the starting value with the ending value through a clear text-based bridge.

Can I use variance decomposition for headcount and compensation analysis?

Variance decomposition can be applied to headcount and compensation analysis by isolating these specific drivers. It calculates their quantified impact on the overall financial variance and generates a targeted narrative explanation for reporting.

How does materiality threshold handling work in financial variance reporting?

Materiality thresholds in financial variance reporting act as investigation triggers to prioritize follow-up. By setting specific limits, the analysis focuses only on significant variances that require narrative explanations and driver-level decomposition.

Does budget variance analysis require prior forecasting data to work effectively?

Budget variance analysis requires baseline financial data such as prior-period actuals or approved forecasts to function effectively. These datasets provide the necessary starting points to calculate variances and generate accurate waterfall bridge outputs.