Interpretation of visual scalograms is subjective so it is desirable to find a more quantifiable way to validate the strengthening of coherence in bubble regimes. Fig 6 shows the wavelet coherence over time for the different period bands, in the case of the “new authors” factor for Ethereum. Coherence values, plotted on the vertical axis, vary between zero and one. Time is plotted on the horizontal axis. The areas of the price time series that are recorded as bubble-like regimes using the GSADF test are shaded red.
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JPMorgan CEO Jamie Dimon, for instance, made multiple comments throughout the year expressing his general antipathy for cryptocurrency. Dimon’s thoughts could most easily be summed with this quote: “I don’t really give a shit about bitcoin.” Warren Buffett also didn’t have kind words–calling it “probably rat poison squared”–which almost certainly sent a clear message to curious investors.
Just like you shouldn’t let a price drop influence your decision to buy crypto, don’t let a sudden price increase alter your long-term investment strategy. Even more importantly, don’t start buying more crypto just because the price is rising. Always make sure your financial bases are covered — from your retirement accounts to emergency savings — before putting any extra cash into a speculative asset like Bitcoin.