Chen C.-CHuang H.-HHSIN-HSI CHEN2021-09-022021-09-02202121915768https://www.scopus.com/inward/record.uri?eid=2-s2.0-85106427978&doi=10.1007%2f978-981-16-2881-8_7&partnerID=40&md5=293ea3d7e6f55094ada35c92fea1095bhttps://scholars.lib.ntu.edu.tw/handle/123456789/581347In this book, we started by describing the components of financial opinions as well as opinion sources in the financial domain. Then, we surveyed options for modeling financial opinions, and discussed in detail one fundamental characteristic of financial narratives: numerals. We also listed numerous applications and research directions. We have thus described financial opinion mining and have provided essential examples to illustrate various concepts. In this final chapter, we organize future directions and summarize the ideas in the book. ? 2021, The Author(s).Sentiment analysis; Financial domains; Fundamental characteristics; Opinion mining; Financebook part10.1007/978-981-16-2881-8_72-s2.0-85106427978