Area with a linearGradient that fades from its series color to transparent, so two overlapping series stay readable.Area the same stackId to pile the series on top of each other, so the top edge reads as the total.[low, high] pair as each row's value and the Area fills the band between them, like a daily temperature range.connectNulls to draw the area straight across missing values instead of breaking it, here toggled with a switch.curveCardinal.tension(0.8) to type and compare it with the built-in monotone curve on the same data.stackOffset="expand" to scale each stack to 100%, and use the tooltip's formatter to show every source's share.AreaChart into a sparkline that sits beside a headline number.useYAxisScale and useChartHeight, so gains and losses get their own color.onClick and onDoubleClick on the chart to pin a reference line at the clicked day and clear it again.preventDefault in onContextMenu to stop the browser's context menu from opening when you right-click the chart.className, here a golden-ratio aspect with a maximum height, and mark values with ReferenceLine.animationInterpolateFn and a shape built on AreaRevealShape to grow the area up from the bottom instead of revealing it left to right.Area and a baseValue area with a custom animationInterpolateFn, and swap the data to see the update animation.syncId so hovering one moves the tooltip and cursor in all of them at once.