I am trying to understand how the uptick rule works. XIV closed at 129.35 on Feb-1-2018 and 115.55 on Feb-2-2018, a 10.7% drop. The SEC https://www.sec.gov/news/press/2010/2010-26.htm says this: "The alternative uptick rule (Rule 201) approved today imposes restrictions on short selling only when a stock has triggered a circuit breaker by experiencing a price decline of at least 10 percent in one day. At that point, short selling would be permitted if the price of the security is above the current national best bid." The XIV opened at 109.57 on Feb-5-2018, and its high was 118.00. Therefore I would have been able to place a limit order to sell short at say 110.00 shortly after the open, if XIV was trading below 110.00, correct? During the day the order should have been filled, since the high was 118.00.