Hybrid Human and Machine Learning Algorithms to Forecast the European Stock Market

Table 1

Weighted average error rate, average response time, and frequency by number of answers between the crowd sentiment and the 1-minute asset return trend. Average response time is in seconds.

Number of answers	1	2–5	6–10	11–20	21–50	51–250	251–750
Avg error rate (%)	61.11	47.01	52.44	50.00	50.47	54.79	49.97
Avg response time	44.44	35.54	36.90	36.09	25.44	23.00	17.63
Frequency	36	42	11	14	16	6	9