TBF, I don't think he explained why he things Microsoft is going down because of that. He talks about timing, but stocks aren't a very common carry trade investment (from any country), and it didn't start unwinding last week.

Those abbreviations are mostly for foreign exchange derivatives. That is, contracts that don't involve trading currency, but have terms that depend on the price of those currencies.

Derivatives are quick to react to anything, so if you are looking for some kind of trigger signal, you will find it there first. But they are also quick to react to nothing, so even if you find a trigger signal there are still some good odds that nothing happened.

One one relevant index there that isn't a forex derivative is VIX. Well, it's supposed to measure how much the S&P500 will go down in the future, but I have no idea what actually goes in it. If you want to look into it, I think the place to start is this:

https://www.spglobal.com/spdji/en/vix-intro/

(Oh, and the article makes a great deal of VIX being low, but on the time we took to read and discuss it, it's already quite high.)