...Wu Xiaoyu; Pedram Nourani; Ikhlaas Gurrib Purpose This study aims to detect speculative price bubbles in major cryptocurrencies and NFT indices and measure how sentiment from the cryptocurrency market, NFT market and broader equity market uncertainty transmits across these digital assets...

.../methodology/approach Bitcoin-related tweets were collected every hour for six months from September 1, 2020, to February 29, 2021. The analysis involved two steps: first, examining tweet content, profiles, sentiment and emotions; and second, investigating the relationship between social signal volatility...