Crowded Currency Labels in Vue

<template>
  <div>
    <div id="chart">
      <apexchart
        type="waterfall"
        height="440"
        :options="chartOptions"
        :series="series"
      ></apexchart>
    </div>
  </div>
</template>

<script>
import VueApexCharts from 'vue-apexcharts'

export default {
  components: {
    apexchart: VueApexCharts,
  },
  data: function () {
    return {
      series: [
        {
          name: 'Revenue',
          data: [
            {
              x: '2023-Q3',
              y: 168500000,
            },
            {
              x: '2023-Q4',
              y: 489400000,
            },
            {
              x: '2024-Q1',
              y: 1900000000,
            },
            {
              x: '2024-Q2',
              y: -811500000,
            },
            {
              x: '2024-Q3',
              y: 389500000,
            },
            {
              x: '2024-Q4',
              y: -703000000,
            },
            {
              x: '2025-Q1',
              y: 358000000,
            },
            {
              x: '2025-Q2',
              y: 138300000,
            },
            {
              x: '2025-Q3',
              y: -312700000,
            },
            {
              x: '2025-Q4',
              y: -346800000,
            },
            {
              x: '2026-Q1',
              y: 390300000,
            },
            {
              x: '2026-Q2',
              y: 109700000,
            },
            {
              x: '2026-Q3',
              y: -8400000,
            },
            {
              x: '2026-Q4',
              y: 14600000,
            },
            {
              x: 'Latest',
              isTotal: true,
            },
          ],
        },
      ],
      chartOptions: {
        chart: {
          type: 'waterfall',
          height: 440,
        },
        title: {
          text: 'What moved revenue, quarter by quarter',
          align: 'left',
        },
        subtitle: {
          text: 'Currency labels are wider than the quarters they sit on. dataLabels.avoidOverlap spaces them apart.',
          align: 'left',
        },
        colors: ['#26a69a', '#ef5350', '#42a5f5'],
        dataLabels: {
          style: {
            fontSize: '11px',
          },
          formatter: function (val) {
            var abs = Math.abs(val)
            var sign = val < 0 ? '-' : '+'
            if (abs >= 1000000000)
              return sign + '$' + (abs / 1000000000).toFixed(2) + 'B'
            return sign + '$' + (abs / 1000000).toFixed(1) + 'M'
          },
        },
        xaxis: {
          labels: {
            rotate: -45,
            rotateAlways: true,
          },
        },
        yaxis: {
          labels: {
            formatter: function (val) {
              return '$' + (val / 1000000000).toFixed(1) + 'B'
            },
          },
        },
        tooltip: {
          y: {
            formatter: function (val) {
              return (val > 0 ? '+' : '') + '$' + val.toLocaleString('en-US')
            },
          },
        },
      },
    }
  },
}
</script>

<style>
#chart {
  max-width: 760px;
  margin: 35px auto;
}
</style>