This script allows you to specify a security to overlay on your chart when viewing a certain symbol. The line will only show on that symbol, change symbols and it will disappear. I found that adding more than 4 lines will slow load time significantly, however if you can code it to be faster please let me know!
All credit to @gyromatical, a good samaritan.
This displays the "altcoin index" as a plot on your chart. Suggested use is coupled with the "altcoin index oscillator".
Add it as an indicator while looking at the chart you would like to assess. Click the settings button (cog) to select which coins you would like included in the index.
You can couple this tool with the "altcoin index oscillator"...
Point and Figure Overlay:
tf: time frame to use.
mode: ATR or Traditional .
modeValue: can be whole number for ATR mode (ex:.15) or floating point value for Traditional (ex:.0.12345) .
reversal: number of reversal bricks.