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Re:What Happens to Stocks and Cryptocurrencies When the Fed ... by cookguyruffles on Sunday May 09, 2021 @02:02AM (#27093619)
Bitcoin regularly moves in tandem with SPX and this effect will continue to strengthen as more ETFs become available, and futures volume (on classic regulated exchanges) increases. These instruments are gateways that enable a much larger class of investors to come into Bitcoin cheaply, but it also means Bitcoin joins their portfolios and is treated similarly to other asset classes during market events. Uncorrelated, mass adoption: pick one.

During the massively undersubscribed 7 year note auction last month BTC absolutely tanked and recovered in perfect synchrony with SPX, TLT and gold.

During a recent deleveraging event (last month I believe), it was possible to observe BTC following an identical path to SPX for almost the entire day.

Re:What Happens to Stocks and Cryptocurrencies When the Fed ... by JohnJamesRambo on Sunday May 09, 2021 @02:58AM (#27093849)
You say it moves in tandem but the only time I’ve ever see it approach mathematical correlation was the Covid dump day when all markets were correlated.

Play around with the link I provided and see for yourself.

Watching charts we can see all sorts of things we think are correlated but mathematics provides a way to check if those things are real or noise.

Re:What Happens to Stocks and Cryptocurrencies When the Fed ... by MrMan on Sunday May 09, 2021 @01:47PM (#27097980)
is cointegration a mathematical concept?