Summary from Seeking Alpha:
Short interest more than doubled in 5 months.
Despite the stock getting cut by almost half, ZS remains very expensive.
Rapid growth declaration and compressing margins are feeding competitive paranoia.
There is little evidence of competitive share losses.
Link:https://seekingalpha.com/article/4315427-this-is-why-hedge-f… (paywall)
Long ZS primarily because I still have faith in management to solve problems.
Wrciii,
Thanks for supplying the link. I thought the article fairly written, and gave me pause to consider my ZS holdings.
I can’t be bothered worrying about short sellers and their motivations. I tried finding out the success rates of short selling, and was unable to learn anything. I can tell you that i have participated in shorts in a couple of premium Investment services and that their losses far out numbered the wins.
But, perhaps this time is different…
Gordon
Gordon,
You may have expected this response…
The four most expensive words in the English language are,“This time it’s different.” - Sir John Marks Templeton (a billionaire from the 20th century when billionaires were uncommon)
Ross 
One of my more ominous thoughts,“Eventually, I will make money on this position, when the market finally understands my entry decision was really correct!”.