This SQL provides insight into the relationship between the price of BTC and the market capitalization of USDT. Specifically, the "change", "positive", and "negative" columns show how the market capitalization of USDT has evolved over a 30-day period.
A rising market cap for USDT could suggest an increased demand for stablecoins, possibly indicating traders are moving assets into USDT as a hedge or in anticipation of trading. By observing both BTC's price and USDT's market cap trends, analysts can infer market sentiments and potential future movements. For example, a sharp increase in USDT market cap accompanied by a stable or declining BTC price might suggest that traders are moving their assets out of BTC and into USDT.