Anyone looking to knock Facebook off its perch atop the social networking pyramid should have talked to options traders Wednesday.
In the minutes prior to the company announcing its quarterly earnings results, options traders piled in with a couple sages mounting up huge profits after prices spiked on blowout earnings results.
It's the kind of trading that often raises hackles on Wall Street and could trigger some unwanted attention.
More than likely, though, it was just a matter of somebody who had been betting on Facebook and decided to double-down, said Jon Najarian of OptionsMonster.
(Read more: Cramer: A 'straight shot' to $38 for Facebook)
"It's probably somebody who already had a substantial position. This would be easily scanned" by regulators, Najarian said. "When you trade with eight minutes to go for the day and at the numbers these were at, you would be putting a big bullseye on yourself."
Traders marveled, though, both at the closing activity Wednesday and the stampede before the opening Thursday.
(Read more: Facebook earnings beat; shares jump 20%)
"There were a lot of positions trading right before the close," said Dave Rovelli, managing director of U.S. equity trading at Canaccord Adams.