Codex Variance Waterfall

A forecast-to-actual waterfall for Power BI — show how individual drivers move a metric from a starting value to an ending value, ideal for variance analysis where the question is “what changed?” rather than “what’s the total?”. Codex Variance Waterfall replaces manual finance-deck chart-building with a configurable visual that builds itself from your data. IDEAL FOR • Budget vs actual variance • Period-over-period decomposition • Forecast accuracy • Margin walk analysis • Any “from X to Y, here’s why” story KEY FEATURES • Horizontal or vertical orientation • Configurable bar colours • Optional subtotals • Connector lines • Full font controls • Optional internal title • Hover tooltip • Click to cross-filter • High contrast mode support PRO TIP For long driver lists, sort bars by absolute contribution so the biggest movers appear first. Built by Nexus Codex. Part of a growing collection of premium Power BI visuals designed for serious dashboards.