Is there a general consensus on how much volume it takes to move the BTC market price?
I am happy that it is not me alone who knows that the cryptocurrency market is being manipulated. But the market capital of Bitcoin is discouraging it, yet it is happening as we can see during the ETF saga and some other few times that people may not even notice much. But there can't be a general consensus for this, once the money is big enough, it could possibly move the market as they want depending on the condition the big amount met the market with.
Is the SEC not worried about market manipulation?
Of course, the SEC, as a responsible agency will be worried about this, but they can still do little in the crypto space.
Is there a legal framework in place to deter / reprimand BTC manipulation? - I realize this could only apply to US patrons.
Well, there will be a time for that, but I certainly do not know when. The privacy and decentralization of cryptocurrency have given room to this unethical practice which is of one the worries of the government. Over time, I think there will be some kind of solution to this, I am certain that the crypto space can't remain the same in the next 10 years in terms of regulation. This, I will 100% support for sanity sake.
My theory was that BTC was too susceptible to manipulation to issue an ETF yet. Apparently I'm wrong, which is understandable, because I make beer for a living...
My friend, you are not wrong about it, and conversely, maybe it is the beer that made you think you were wrong...lol. People and news outlets use this ETF to manipulate the market. It's no news.