Measuring investor sentiment with 14 Reddit communities... Bitcoin also analyzed
Original headline레딧 14개 커뮤니티로 투자심리 측정…비트코인도 분석
Not investment advice. Muhabbit scores how much a story may matter, not which way to trade.
The European Central Bank has developed a new AI-driven sentiment index, R-RISI, that analyzes Reddit posts from 14 communities to gauge retail investor sentiment, including discussions related to Bitcoin (BTC). Researchers used ChatGPT 5.1 to classify post titles and bodies from 2015 through April 2026, with blog charts extending to October 31, 2026, though the two periods should not be treated as a single sample. The index is designed to capture online slang and abbreviations in context, offering a real-time read on retail mood across crypto and traditional markets. The ECB cautioned that while the indicator tracks Bitcoin-related conversation, correlation with price does not guarantee predictive power. The work, detailed in Working Paper No. 3276 published in August 2026, matters as a potential complement to survey-based sentiment measures that lag fast-moving retail flows. What to watch next is whether R-RISI diverges from BTC price action in ways that signal retail positioning shifts.
Muhabbit's AI wrote this summary in its own words from TokenPost's report and translated it from Korean. It can get details wrong, so check the source.
Named in this story
European Central Bank, Reddit (RDDT), Bitcoin (BTC), ChatGPT 5.1
A linked name opens that asset's sentiment page.