Table 7.

Number of rejections of the null hypothesis in the Ljung–Box test

Indices/stocks	$r_t$		|rt|		$r_t^2$
	# Rejections	%	# Rejections	%	# Rejections	%
S&P 500	1158	13.16	4070	46.27	4105	46.66
DJIA	1188	13.50	4726	53.72	4220	47.97
NASDAQ	2138	24.30	5127	58.28	5209	59.21
FACEBOOK	259	13.55	736	38.51	396	20.72
AMAZON	199	3.50	1500	26.37	1194	20.99
TESLA	13	0.54	832	34.86	590	24.72
APPLE	657	7.47	2241	25.47	2052	23.33
NETFLIX	280	6.32	872	19.70	598	13.51
GOOGLE	426	11.03	1309	33.89	1043	27.00