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Post by Dr Brana Vojcic

Published Sep 19, 2026Updated Sep 19, 20262 min read

SPX-to-VIX Ratio

§  How to use SPX/VIX?

§  In range markets, it pinballs between the Keltner channel boundaries (or Bollinger Band boundaries), flagging overbought/oversold conditions and potential reversal points.

§  In strongly trending markets, it moves between the mid-channel and outer boundaries, and such behavior is an indication of a strong trend, similarly to when RSI is embedded in the oversold/overbought range.

§  Right now, the ratio is headed toward the upper Keltner.

§  Since we are still in a sideways market, I expect the ratio to reverse from the upper Keltner or from not much away from it. This should align with a short-term SPX reversal.



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