Posts per day and new authors can be retrieved from each subreddit programmatically; each post is timestamped, so historical time series can be generated by iterating through the posts. Posts per day are used here rather than comments per day. Each post on Reddit can have a number of associated comments in a one-to-many type relationship. However, examples exist where huge numbers of comments are generated that are unrelated to market activity; for example, sometimes people give away small amounts of cryptocurrency to everyone who comments with their public blockchain wallet address; this causes a huge spike in comments (wavelet coherence between comments per day and price were also generated, but as was expected showed less significant relationships than posts per day and price).
Of course, in order to diversify, a customer needs to be able to trade a wide variety of altcoins. When it comes to cryptocurrency listings, Binance is the undisputed king. But how does Binance.US measure up?

As noted elsewhere by a prominent author in the area [25], there is not a widely accepted or consistent definition of the term “bubble”. The GDASF test used here assumes a bubble is any time series interval which deviates from a random walk to become explosive.
Bitcoin’s current rally has been fueled by the U.S. trading debut of a Bitcoin-linked ETF as well as Elon Musk’s weekend Twitter poll, said Ben Caselin, head of research and strategy at crypto exchange AAX. “With Shiba and other memecoins having surged recently, and Facebook’s rebranding to Meta, interest in altcoins continues to rise.”