Calculated instrument as an indicator

• 04/05/2025 at 6:30 AM #245606
  SkySurferBlue

  How do you add a calculated instrument to show on a chart as an indicator?

  Can the following formula be done as a Calculated instrument?

  Change in value of Vix = 1-Vix/Vix[1]

  Change in value of SPY = 1- SPY/SPY[1]

  Calculated Instrument = Change in SPY/ Change in VIX

  Then want to plot this on the SPY/SP500 chart

  

  SkySurferBlue

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  04/07/2025 at 9:05 AM #245654
  Iván

  Hi. In calculated instruments, you can’t reference yesterday’s price. You can get the SPY/VIX ratio, but not what you’re proposing.

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  SkySurferBlue

  

  Iván

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