Day traders short stocks on daily basis. More than daily, hourly...or more, or less.
My definition of shorting in this context is less than a year....you pay less capital gains taxes if you hold more than a year. IRS standards.
I thought that was what you were referring to. You are talking about holding a "long" (long-term) position versus a short-term position in a given asset. Just so you know, "shorting" or "being short" on a stock is something entirely different. Maybe I am wrong and misunderstanding you, but this is how Wallstreet defined "Short" last I knew: