Other measures also suggest sentiment is running hot, including the spread between bullish and bearish sentiment (37.6 percentage points) and the standard deviation (bullish sentiment is more than one standard deviation above the historical mean).

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For example, two of eight American League clubs in 1927 posted winning percentages below .400, leading to a league-wide standard deviation of .123 percentage points above and below the average .500 record.

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Since Jan 2001, Life Science investing as a percentage of total VC investing each quarter has averaged 26% with a standard deviation of only 5%.

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The Twins' 0.525 winning percentage fell within that standard range, translating to a score of less than one standard deviation above the 0.500 mean.

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