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Calendar Effect in Volatility

I received a few posts suggesting that the reason for the lower December VIX futures versus the January VIX futures is the “Calendar Effect”.  This implies that because December is a slow month due to the holidays, the December VIX futures contract should be priced lower.  If you look at my previous post regarding S&P 500 returns by month, you see that January and December do not look all that different.  Strong positive average returns for both months.  I did provide some analysis about volatility by month, but I thought I would expand it with percentile rankings:

Seems like a lot of volatility in September, October and November

The fall looks very volatile to me, but I would say December and January look awfully similar.  Maybe I should only look at recent history as a guide?

Posted in Derivatives, Markets.

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