This demo uses imperative chart updates. The generated code is a faithful Angular translation: open it in CodeSandbox to run and tweak.

import { Component, AfterViewInit, OnDestroy, ViewChild } from '@angular/core';
import {
  ChartComponent,
  ApexAxisChartSeries,
  ApexNonAxisChartSeries,
  ApexChart,
  ApexXAxis,
  ApexYAxis,
  ApexTitleSubtitle,
  ApexDataLabels,
  ApexStroke,
  ApexFill,
  ApexLegend,
  ApexTooltip,
  ApexMarkers,
  ApexPlotOptions,
  ApexResponsive,
  ApexGrid,
  ApexAnnotations,
  ApexStates,
  ApexTheme,
  NgApexchartsModule,
} from 'ng-apexcharts';

export type ChartOptions = {
  series?: ApexAxisChartSeries | ApexNonAxisChartSeries;
  chart?: ApexChart;
  xaxis?: ApexXAxis;
  yaxis?: ApexYAxis | ApexYAxis[];
  title?: ApexTitleSubtitle;
  subtitle?: ApexTitleSubtitle;
  dataLabels?: ApexDataLabels;
  stroke?: ApexStroke;
  fill?: ApexFill;
  legend?: ApexLegend;
  tooltip?: ApexTooltip;
  markers?: ApexMarkers;
  plotOptions?: ApexPlotOptions;
  responsive?: ApexResponsive[];
  grid?: ApexGrid;
  annotations?: ApexAnnotations;
  states?: ApexStates;
  theme?: ApexTheme;
  colors?: string[];
  labels?: any;
};

@Component({
  selector: 'app-chart',
  standalone: true,
  imports: [NgApexchartsModule],
  templateUrl: './chart.component.html',
})
export class AppChart implements AfterViewInit, OnDestroy {
  @ViewChild('chart') chart!: ChartComponent;
  public chartOptions: Partial<ChartOptions> = {
          series: [
            {
              name: 'DIAMOND',
              data: generateDayWiseTimeSeries(
                new Date('01 Jun 2024 GMT').getTime(),
                10,
                {
                  min: 5,
                  max: 60,
                },
              ),
            },
            {
              name: 'TRIANGLE',
              data: generateDayWiseTimeSeries(
                new Date('01 Jun 2024 GMT').getTime(),
                10,
                {
                  min: 54,
                  max: 90,
                },
              ),
            },
            {
              name: 'CROSS',
              data: generateDayWiseTimeSeries(
                new Date('01 Jun 2024 GMT').getTime(),
                8,
                {
                  min: 10,
                  max: 50,
                },
              ),
            },
            {
              name: 'PLUS',
              data: generateDayWiseTimeSeries(
                new Date('01 Jun 2024 GMT').getTime(),
                16,
                {
                  min: 30,
                  max: 99,
                },
              ),
            },
  
            {
              name: 'SQUARE',
              data: generateDayWiseTimeSeries(
                new Date('01 Jun 2024 GMT').getTime(),
                10,
                {
                  min: 0,
                  max: 59,
                },
              ),
            },
            {
              name: 'LINE',
              data: generateDayWiseTimeSeries(
                new Date('01 Jun 2024 GMT').getTime(),
                10,
                {
                  min: 0,
                  max: 90,
                },
              ),
            },
            {
              name: 'CIRCLE',
              data: generateDayWiseTimeSeries(
                new Date('01 Jun 2024 GMT').getTime(),
                10,
                {
                  min: 5,
                  max: 35,
                },
              ),
            },
  
            {
              name: 'STAR',
              data: generateDayWiseTimeSeries(
                new Date('01 Jun 2024 GMT').getTime(),
                10,
                {
                  min: 15,
                  max: 60,
                },
              ),
            },
            {
              name: 'SPARKLE',
              data: generateDayWiseTimeSeries(
                new Date('01 Jun 2024 GMT').getTime(),
                10,
                {
                  min: 45,
                  max: 99,
                },
              ),
            },
          ],
          chart: {
            height: 350,
            type: 'scatter',
            zoom: {
              type: 'xy',
            },
          },
          colors: [
            '#008FFB',
            '#00E396',
            '#FEB019',
            '#FF4560',
            '#775DD0',
            '#546E7A',
            '#26A69A',
            '#D4526E',
            '#F86624',
          ],
          dataLabels: {
            enabled: false,
          },
          grid: {
            xaxis: {
              lines: {
                show: true,
              },
            },
            yaxis: {
              lines: {
                show: true,
              },
            },
          },
          xaxis: {
            type: 'datetime',
          },
          yaxis: {},
          legend: {
            markers: {
              strokeWidth: [1, 1, 3, 3, 1, 4, 1, 1, 1],
            },
          },
          markers: {
            shape: [
              'diamond',
              'triangle',
              'cross',
              'plus',
              'square',
              'line',
              'circle',
              'star',
              'sparkle',
            ],
            size: 10,
            fillOpacity: 0.8,
            strokeColors: '#333',
            strokeWidth: [1, 1, 3, 3, 1, 4, 1, 1, 1],
          },
          tooltip: {
            shared: true,
            intersect: false,
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}
Datetime Scatter - Angular Scatter Charts | ApexCharts.js | ApexCharts.js