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This can explain why bitcoin always falls when the stock market is open, like today . Possibly it is being liquidated on exchanges with stock market is open. it's possible the coins are being sold during market hours.

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as evidence of this phenomenon, a strategy that shorts bitcoin when the stock market opens and goes long QQQ, then closes both pairs when the stock market closes, would have made fifty percent over the past year by doing this everyday

https://i.imgur.com/gj8EluF.png

it even made profit this year despite bitcoin being up a lot

Dollar or vol neutral? Those two assets have dramatically different characteristics.

dollar

Very cool! What tool did you use to simulate this? What does the code/query (if any) look like?

It feels unsurprising that Bitcoin moves more when markets are open and stuff is happening in the finance world.

but the bias is usually negative, hence easy $ by shorting it

Yeah, I can see that. Fair enough!

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