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The Calendar Effect and Time Decay
Since the beginning of last year, I have periodically discussed what I call “ calendar reversion ,” which is essentially a phenomenon caused by the fact that the VIX is priced according to the calendar, but only calculated during trading days. The long and the short of this chronological ...
VIX Spike of 35% in Four Days Is Short-Term Buy Signal
VIX Spike of 35% in Four Days Is Short-Term Buy Signal
vixandmore.blogspot.com — It has been awhile since I posted one of my VIX studies and given the recent spike... in the VIX, today’s action seemed like a good excuse to revisit the idea of VIX spikes as contrarian bullish mean reversion buying opportunities. Today the VIX closed at 27.91, which is up 34.9% in the four ... (more) VIX Spike of 35% in Four Days Is Short-Term Buy Signal
Pullback Surpasses 2009 Mean
Pullback Surpasses 2009 Mean
vixandmore.blogspot.com — While this might not provide a great deal of comfort to longs, I have updated the VIX... and More Pullback Table to reflect today’s selloff. The table shows that the peak to trough drop of 66.73 points (6.1%) in the SPX has exceeded the 2009 average of 5.8%. As noted previously, a 5.8% pullback ... (more) Pullback Surpasses 2009 Mean
The VIX:VXV Ratio, Availability Bias and Disaster Imprinting
The VIX:VXV Ratio, Availability Bias and Disaster Imprinting
vixandmore.blogspot.com — Once a popular subject in this space, the VIX:VXV ratio appeared to be a casualty of the... financial turmoil and record volatility spikes in October 2008, when the ratio spiked to record levels an generated a buy signal that turned out to be nothing short of a disaster. I was not yet ready to ... (more) The VIX:VXV Ratio, Availability Bias and Disaster Imprinting
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The Favre Show
Daily Options Report — ... has a nice explanation of this concept (hat tip VIX and More). I've tackled this topic from a different angle, namely how it throws off volatility stats, but as a trader it's more important to understand how decay works than how the VIX reflects it. ...

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