Create sprint burndown and burnup charts from story point data with ideal trend lines.
Turn a sprint's story point history into two related views: a burndown of work remaining and a burnup of work completed, each paired with an ideal trend line. The chart shows whether actual progress is above, below, or near a straight-line plan across the sprint. The common surprise is that a higher actual line has opposite meanings in the two views: it suggests slower progress on a burndown but greater completed work on a burnup.
The burndown series represents unfinished story points at each sprint interval. Its ideal line runs from the starting scope toward zero at the sprint end. Actual remaining work above that line indicates a slower burn than the evenly distributed ideal; a line below it indicates a faster burn. A flat segment means the remaining-point total did not decrease.
The burnup view measures cumulative completed story points, so its actual line rises as work is finished. Progress is read upward toward the sprint scope. The ideal guide represents evenly distributed completion over the selected intervals. It is a comparison baseline, not a forecast of when the team will actually finish.
No. The ideal line is a simple straight-line reference, while story points normally decrease only when stories meet the team's completion criteria. Brief plateaus and drops are therefore expected. A persistent gap can support investigation, but the chart alone cannot identify whether the cause was blocked work, changed scope, large stories, or another factor.
No. It shows recorded story point progress against an ideal trend, not a probability-based forecast. Extrapolating from a few daily values can be misleading because stories finish unevenly and scope may change. Use the chart to inspect the sprint's trajectory; estimating a completion date requires additional assumptions about future throughput and remaining work.
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