Hi, yes to my knowledge they are still operating. I received an email from them today. It was just "advertisement + general information" but for sure they are active.
If you haven't logged in for a while maybe there was some change in the platform. In 2020 they changed a lot of things, they basically took distance from Sierrachart and removed a of their videos on YouTube.
Don't know exactly what happened but things changed.
This news item about NinjaTrader purchasing Transact Futures, the owner of Infinity Brokers, and planning to operate its own FCM, was flagged by sakisf in another thread:
I thought it was interesting and important enough to raise the visibility since …
In light of the new information that NinjaTrader is involved, I believe the two topics should be consolidated into the news thread that they are purchasing Infinity Brokers.