NEW YORK (TheStreet) -- Tesla (TSLA) is many things to many people. For short sellers, it represents a position they don't want to abandon, as shown in the last reporting period when short interest edged higher.
While short interest declined from a March 15 peak of over 40% to "only" 32% of the float on June 14, it rose from two weeks earlier. Short interest deflating in the aftermath of a tripling in share price is unsurprising. Also, what shouldn't surprise investors is that short sellers have slowed down only briefly.
With only 19.9 million shares short, it's the second lowest reported number during the last 12 months. When taken at face value and out of context, it's easy to conclude that the bulls have trampled the bears. When viewed inside the context of a stock driving from less than $40 to $100, a short interest level over 30% is a caution flag waving widely.
Between the previous two-week reporting period and the last report on June 14, shares in Tesla remained stable, changing a total of about $2, although with considerable volatility in between. It was during the same period that short interest climbed for the first time since the middle of March.Why do investors care about short seller activity? Because investors should expect short interest to collapse under the weight of margin calls and stop losses. Instead, short sellers are refueling for another lap around the track. Profit expectations are why you expose your portfolio to unlimited risk to obtain a limited payoff; shorts continue to believe the odds favor a significant decline in share price. Shorts underestimated Tesla's billionaire CEO Elon Musk and have paid dearly. They think the market will allow Musk only so much time before moving on. If Musk, however, captivates the hearts and minds of investors like Amazon (AMZN) CEO Jeff Bezos has, Tesla may get all the time in the world. We're talking about cars, and Tesla is producing a top-rated muscle car sporting a retail price of less than $100,000.
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