In order to provide a methodology to detect bubbles in time series, Phillips, Wu, and Yu [23] proposed the supremum augmented Dickey-Fuller (SADF) test. This applies a series of right-tailed unit root tests to expanding windows of a time series (with a fixed start date), defined by where r2 is the final data point to be considered in each window, starting at r0 which is a fraction representing the smallest allowed window size and expanding to 1(the complete data set).
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Yet some crypto watchers have raised red flags over SafeMoon’s unusual structure. It charges a 10 per cent fee to buy tokens and another 10 per cent to sell — almost unheard of in the digital currency world. Half of these fees are paid to owners as an incentive to keep holding and the other half goes into a liquidity pool controlled by the developers. SafeMoon calls itself a DeFi token, or one that uses decentralized finance to govern functions through software, but it has a chief executive officer and chief operating officer. Critics also worry about the discretionary nature of the “manual” coin burns used to adjust its circulation. After 19,000% early gain, crypto SafeMoon’s rules to tamp down selling raise red flags Back to video
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.