qsk617 opened a new issue, #19171:
URL: https://github.com/apache/echarts/issues/19171

   ### What problem does this feature solve?
   
   我用echarts开发了一个股票k线图,有二个效果实现不了,来咨询下大神们: 
   1. 我想在左上角显示ma均线的值,跟随鼠标移动,实时变化,要如何实现呢? 
我想用tooltip实现,但是不能同时显示多个tooltip(顶层的tooltip,我来用显示其它概要信息了,占用了) 
   2. 我想给二boll线之间的空间填充颜色. 虽然堆叠面积图能实现差不多效果,但是,面积图必须是用boll线+x轴填充颜色. 
如果有分隔线,那boll下面的分隔线就看不到了,好奇怪
   
   1. How can I display the values of moving averages (MA) in the top left 
corner of my stock K-line chart, following the mouse movement and updating in 
real-time? I want to achieve this using tooltips, but I can't display multiple 
tooltips simultaneously (the top-level tooltip is already used to display other 
summary information). 
    
   2. How can I fill the space between two Bollinger Bands with a color? 
Although a stacked area chart can achieve a similar effect, it requires filling 
the area between the Bollinger Bands and the x-axis. This approach hides any 
separating lines below the Bollinger Bands, which is not desirable. 
    
   Could you please help me with these questions? haha
   
   ### What does the proposed API look like?
   
   我希望能实现,在boll线之间的空间能填充颜色,并且不影响其它空间 
   
   I want to achieve the ability to fill the space between Bollinger Bands with 
a color without affecting other areas.
   
   thank you~


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