Forecasting Stock Market Volatility Using Hybrid of Adaptive Network of Fuzzy Inference System and Wavelet Functions

Table 3

Engle and granger causality test for output and input variables.

Variables	Estimate	Std. error	t-stat	value	Causality detection
Repo	−0.0060	0.0014	−4.2010	2.77E-05	Causality
Loil	−0.0061	0.0013	−4.7100	2.65E-06	Causality
All	−0.0070	0.0016	−4.2440	2.30E-05	Causality