Thanks, for replying when I couldn't! Generally I agree with you. I would disagree that this level of short interest is typical, I think 20%+ short interest is high 90s percentile territory. The relatively low short ratio is more indicative of how highly traded TSLA is (short ratio = short interest / avg daily volume).

If there's a way to report who is short a stock, I don't know it. There are also other trades to profit from decreases in an underlying security (buying puts, selling calls) and I don't know about reporting obligations there, either.