Vol.:(0123456789) 1 3 Evolving Systems (2019) 10:621–627 https://doi.org/10.1007/s12530-018-9247-7 ORIGINAL PAPER Neutrosophic soft set decision making for stock trending analysis Sudan Jha 1  · Raghvendra Kumar 2  · Le Hoang Son 3  · Jyotir Moy Chatterjee 4  · Manju Khari 5  · Navneet Yadav 6  · Florentin Smarandache 7 Received: 17 February 2018 / Accepted: 3 July 2018 / Published online: 18 July 2018 © Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract In this paper, we point out a major issue of stock market regarding trending scenario of trades where data exactness, accu- racy of expressing data and uncertainty of values (closing point of the day) are lacked. We use neutrosophic soft sets (NSS) consisting of three factors (True, Uncertainty and False) to deal with exact state of data in several directions. A new approach based on NSS is proposed for stock value prediction based on real data from last 7 years. It calculates the stock price based on the factors like “open”, “high”, “low” and “adjacent close”. The highest score value retrieved from the score function is used to determine which opening price and high price decide the closing price from the above mentioned four factors. Keywords Neutrosophic soft sets · Soft sets · Stock trending · Stock parameters · Open · Close · High · Low · Adjacent close 1 Introduction Many felds may not be efectively demonstrated by tradi- tional expression since vulnerability is excessively muddled. They can be demonstrated by various distinctive methodolo- gies including the likelihood theory, fuzzy set (FS) (Zadeh 1965), rough set (Pawlak 1982), neutrosophic set (NS) (Smarandache 2005) and soft set (Molodtsov 1999). NSs can deal with uncertain and conficting data, which exist, regularly in conviction frameworks (Wang et al. 2005). In this manner, Maji proposed neutrosophic delicate set with operations, which is free of the challenges specifed (Maji 2013). He additionally, connected to basic leadership issues (Maji 2012). After Maji, the investigations on the neutro- sophic delicate set theory have been considered progres- sively (Broumi 2013; Broumi and Smarandache 2013). From scholastic perspective, the NS should be determined on the grounds that are connected to genuine applications (Deli 2017). In NS, indeterminacy is evaluated expressly and other membership degrees are free. This presumption is essential * Le Hoang Son sonlh@vnu.edu.vn Sudan Jha jhasudan@hotmail.com Raghvendra Kumar raghvendraagrawal7@gmail.com Jyotir Moy Chatterjee jyotirm4@gmail.com Manju Khari manjukhari@yahoo.co.in Navneet Yadav navneetyadavdr@gmail.com Florentin Smarandache fsmarandache@gmail.com 1 School of Computer Engineering, KIIT University, Bhubaneswar, India 2 Department of Computer Science and Engineering, LNCT College, Bhopal, India 3 VNU Information Technology Institute, Vietnam National University, Hanoi, Vietnam 4 School of Computer Science and Engineering, GD-RCET, Bhilai, India 5 Computer Science and Engineering Department, AIACTR, New Delhi, India 6 Electronics and Communication Engineering Department, Maharaja Agrasen Institute of Technology, New Delhi 110086, India 7 University of New Mexico, 705 Gurley Ave., Gallup, NM 87301, USA