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Hey, I'm having a similar problem, are there any updates?

Hi, I'd love to see this resolved, too. Is this considered a worthy feature by the maintainers?

I managed to find a workaround which makes this use case work, but an elegant implementation would certainly be welcome (and probably more future-proof). The trick is to define a global symbol for all markLines in series and then disable the start point in the data array:

{
  type: 'line',
  name: 'myLine',
  markLine: {
    symbol: 'your custom symbol',
    data: [
      {
        name: 'name',
        xAxis: 1,
        symbol: 'none', // <- disable the start point symbol here
      }
    ]
  }
}

The downside to this approach, though, is that you can only define one symbol per set of data, so if you need to render more markLines with different symbols, you need to add them as multiple entries to the series. Please someone correct me if there is a better solution.

I managed to find a workaround which makes this use case work, but an elegant implementation would certainly be welcome (and probably more future-proof). The trick is to define a global symbol for all markLines in series and then disable the start point in the data array:

{
  type: 'line',
  name: 'myLine',
  markLine: {
    symbol: 'your custom symbol',
    data: [
      {
        name: 'name',
        xAxis: 1,
        symbol: 'none', // <- disable the start point symbol here
      }
    ]
  }
}

The downside to this approach, though, is that you can only define one symbol per set of data, so if you need to render more markLines with different symbols, you need to add them as multiple entries to the series. Please someone correct me if there is a better solution.

thanks for sharing, it works for me too