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.