Table 4. Stock market prediction using other techniques.

Authors	Scope	Input features	Feature extraction	Prediction algorithm
Wang et al. (2022b)	SSE	Price data	Normalization	LSTM/3D-CNN/GC-CNN & AD-GAT
Oyewola et al. (2021)	NGX	Price data	Technical indicators	AA/LR/SVM/FFN/RNN/SDE & GBM
Zhao & Wang (2015)	SSE	Price data	Tick-by-tick data	Outlier mining algorithm/Cluster algorithm
Vlasenko et al. (2018)	Global	Price data	NA	MIMO neuro-fuzzy model with multidimensional Gaussian functions
Jindal et al. (2021)	NSE/NYSE/MOEX	Price data	Scaling raw data	DT/RF & SVR
Umadevi et al. (2018)	NYSE	Stock score	NA	ARIMA
de Carvalho Tavares, Ferreira & Mendes (2022)	B3/NYSE	Price data	Scaling raw data	Hybrid fuzzy time series model with red–black tree data structure
Wang et al. (2022a)	SSE/NYSE/HKEX/TSE	Price data	Normalization	RNN/CNN/LSTM/Transformer
Sharma & Juneja (2017)	NSE/BSE	Technical indicators	Exponential smoothing	LS-RF