[ExI] Bitcoins Again

[Gordon]

Hi Brent,

> Wouldn't it be great to know, concisely and quantitatively, just what all the transhumanist Bitcoin experts believed about this?  Just how bullish are you/they?

I think it would be great to have an indicator of the sentiment of all bitcoin investors and traders, including but not limited to transhumanists. Such measures can have value as contrary indicators. When most everyone thinks the price of an asset is going one way or the other, it is often wise to bet against the consensus.

I once wrote a program to analyze the P/C ratio (the ratio of the volume of put options [bearish bets] to call options [bullish bets]) on the S&P 100. I found a statistically significant relationship between high P/C ratios and market rallies. I used my model successfully with my clients for several years.

Gordon
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