NEW YORK (ETF Expert) -- In the history of the National Basketball League finals, no team had ever come back from a 3-1 deficit. Miami Heat believers explained that records were meant to be broken. Lebron James asked, "Why not us?"
To the dismay of some basketball fanatics, the San Antonio Spurs disposed of the Heat in the fifth game. History did not crumble; rather, it went with the odds. Equally compelling, a relative unknown in Kawhi Leonard earned the Most Valuable Player award for his play in the series; in this instance, history went against the high likelihood that an established superstar would hoist the trophy.
Along these lines, the S&P 500 has traded above its 200-day moving average for 395 trading sessions. That has never occurred in the history of the heralded benchmark. The previous record? 385 trading days in the mid-1990s. Granted, it may be difficult to quantify how improbable the occurrence but there's simply no denying the extraordinary length of time that the bull market uptrend for U.S. large caps has remained intact.
Of course, even when Hank Aaron took down Babe Ruth -- even when Barry Bonds broke Aaron's home run record -- time itself eventually settled on a number. Nothing continues indefinitely. So the primary question from my vantage point is, "How long will the S&P 500 continue to defy the odds?"
Not much longer.
It may be true that extraordinary confidence in the world's central banks rate-manipulating policies have removed the fear from the minds of risk-takers. After all, nobody seems to care about the things that would have rattled stocks and higher-yielding assets in the past. Oil prices, teetering economies, regional conflicts from Russia to the Middle East, structural unemployment, inflation-adjusted decline in wages -- nothing much matters anymore.
That said, the mere absence of fear is a major concern all on its own. Stock market success in early-to-mid-stage bull markets are famous for climbing a "Wall of Worry." Late-stage bull markets often see a remarkable amount of complacency: 395 trading days above a long-term trendline? Complacency.
A bull-bear spread of adviser sentiment of 45.1 that is higher than previous market tops of 42 in both October 2007 and April 2011? Complacency.