I am writing about the GME short squeeze that happened in January 2021.
At some point, I want to say that short squeezes are nothing new in finance, but the way it was triggered was not seen before.
What would be the correct way to say this?
The way it was triggered was unprecedented.
or
The way it was triggered is unprecedented.
The reason I am asking, is that it is of course still unprecedented, as something that was once unprecedented can not become 'un-unprecedented', right? Using 'was' seems like the right way to go as that really emphasizes that it was unprecedented back than, but I just wanted to be sure if it would be allowed to use it that way.