Might as well show all the FR outcomes now

web/components/charts/contract/choice.tsx

@@ -1,6 +1,6 @@
 import { useMemo, useRef } from 'react'
 import { sum, sortBy, groupBy } from 'lodash'
-import { scaleTime, scaleLinear, schemeCategory10 } from 'd3'
+import { scaleTime, scaleLinear } from 'd3'
 
 import { Bet } from 'common/bet'
 import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
@@ -10,6 +10,64 @@ import { MARGIN_X, MARGIN_Y, getDateRange } from '../helpers'
 import { MultiPoint, MultiValueHistoryChart } from '../generic-charts'
 import { useElementWidth } from 'web/hooks/use-element-width'
 
+// thanks to https://observablehq.com/@jonhelfman/optimal-orders-for-choosing-categorical-colors
+const CATEGORY_COLORS = [
+  '#00b8dd',
+  '#eecafe',
+  '#874c62',
+  '#6457ca',
+  '#f773ba',
+  '#9c6bbc',
+  '#a87744',
+  '#af8a04',
+  '#bff9aa',
+  '#f3d89d',
+  '#c9a0f5',
+  '#ff00e5',
+  '#9dc6f7',
+  '#824475',
+  '#d973cc',
+  '#bc6808',
+  '#056e70',
+  '#677932',
+  '#00b287',
+  '#c8ab6c',
+  '#a2fb7a',
+  '#f8db68',
+  '#14675a',
+  '#8288f4',
+  '#fe1ca0',
+  '#ad6aff',
+  '#786306',
+  '#9bfbaf',
+  '#b00cf7',
+  '#2f7ec5',
+  '#4b998b',
+  '#42fa0e',
+  '#5b80a1',
+  '#962d9d',
+  '#3385ff',
+  '#48c5ab',
+  '#b2c873',
+  '#4cf9a4',
+  '#00ffff',
+  '#3cca73',
+  '#99ae17',
+  '#7af5cf',
+  '#52af45',
+  '#fbb80f',
+  '#29971b',
+  '#187c9a',
+  '#00d539',
+  '#bbfa1a',
+  '#61f55c',
+  '#cabc03',
+  '#ff9000',
+  '#779100',
+  '#bcfd6f',
+  '#70a560',
+]
+
 const getMultiChartData = (
   contract: FreeResponseContract | MultipleChoiceContract,
   bets: Bet[],
@@ -22,12 +80,8 @@ const getMultiChartData = (
   const sortedBets = sortBy(bets, (b) => b.createdTime)
   const betsByOutcome = groupBy(sortedBets, (bet) => bet.outcome)
   const validAnswers = answers.filter((answer) => {
-    const maxProb = Math.max(
-      ...betsByOutcome[answer.id].map((bet) => bet.probAfter)
-    )
     return (
       (answer.id !== '0' || outcomeType === 'MULTIPLE_CHOICE') &&
-      maxProb > 0.02 &&
       totalBets[answer.id] > 0.000000001
     )
   })
@@ -82,7 +136,7 @@ export const ChoiceContractChart = (props: {
   const { contract, bets } = props
   const [start, end] = useMemo(() => getDateRange(contract), [contract])
   const data = useMemo(
-    () => getMultiChartData(contract, bets, start, end, 6),
+    () => getMultiChartData(contract, bets, start, end, CATEGORY_COLORS.length),
     [contract, bets, start, end]
   )
   const isMobile = useIsMobile(800)
@@ -100,7 +154,7 @@ export const ChoiceContractChart = (props: {
           xScale={xScale}
           yScale={yScale}
           data={data.points}
-          colors={schemeCategory10}
+          colors={CATEGORY_COLORS}
           labels={data.labels}
           pct
         />

web/components/charts/generic-charts.tsx

@@ -13,7 +13,7 @@ import {
   ScaleContinuousNumeric,
   SeriesPoint,
 } from 'd3'
-import { range } from 'lodash'
+import { range, sortBy } from 'lodash'
 import dayjs from 'dayjs'
 
 import {
@@ -203,7 +203,7 @@ export const MultiValueHistoryChart = (props: {
   const py1 = useCallback((p: SP) => yScale(p[1]), [yScale])
   const xBisector = bisector((p: MultiPoint) => p[0])
 
-  const { fmtX, fmtY, xAxis, yAxis, series } = useMemo(() => {
+  const { fmtX, fmtY, xAxis, yAxis } = useMemo(() => {
     const [start, end] = xScale.domain()
     const fmtX = getFormatterForDateRange(start, end)
     const fmtY = (n: number) => (pct ? formatPct(n, 0) : formatLargeNumber(n))
@@ -215,13 +215,16 @@ export const MultiValueHistoryChart = (props: {
       .tickValues(tickValues)
       .tickFormat(fmtY)
 
+    return { fmtX, fmtY, xAxis, yAxis }
+  }, [h, pct, xScale, yScale])
+
+  const series = useMemo(() => {
     const d3Stack = stack<MultiPoint, number>()
       .keys(range(0, labels.length))
       .value(([_date, probs], o) => probs[o])
       .order(stackOrderReverse)
-    const series = d3Stack(data)
-    return { fmtX, fmtY, xAxis, yAxis, series }
-  }, [h, pct, xScale, yScale, data, labels.length])
+    return d3Stack(data)
+  }, [data, labels.length])
 
   const onSelect = useEvent((ev: D3BrushEvent<MultiPoint>) => {
     if (ev.selection) {
@@ -247,19 +250,23 @@ export const MultiValueHistoryChart = (props: {
     setMouseState(undefined)
   })
 
+  const mouseProbs = mouseState?.p[1] ?? []
+  const legendItems = sortBy(
+    mouseProbs.map((p, i) => ({
+      color: colors[i],
+      label: labels[i],
+      value: fmtY(p),
+      p,
+    })),
+    (item) => -item.p
+  ).slice(0, 10)
+
   return (
     <div className="relative">
       {mouseState && (
         <ChartTooltip {...mouseState}>
           {fmtX(mouseState.p[0])}
-          <Legend
-            className="text-sm"
-            items={mouseState.p[1].map((p, i) => ({
-              color: colors[i],
-              label: labels[i],
-              value: fmtY(p),
-            }))}
-          />
+          <Legend className="text-sm" items={legendItems} />
         </ChartTooltip>
       )}
       <SVGChart