With all the respect to you, I asked totally different question than your answer.
Guys, the question was:
Maybe someone is a part of such a group and can recommend it?
Many thanks for your opinion thought.
Yeah, that's different answer about your question. But what is said by @ryzaadit is true... many group of bitcoin prediction is scam and just their own speculation.
If you looking for someone or group with have great bitcoin speculation, I think "whales" is the answer.
Since whales can manipulation bitcoin price and also can know the best time to buy / sell or hold bitcoin.