Application of Artificial Bee Colony Algorithm to Portfolio Adjustment Problem with Transaction Costs

Table 7

Comparison results of modified ABC, ABC, and GA with 𝐶³_𝑖(𝑥_𝑖).

	𝑥1	𝑥2	𝑥3	𝑥4	Return	Risk	𝑈max
Modified ABC	0.339	0.306	0.221	0.134	0.06163	7.2276𝐸−5	0.0084
ABC	0.342	0.300	0.223	0.135	0.06154	7.3773𝐸−5	0.0083
GA	0.343	0.300	0.217	0.139	0.06160	7.2608𝐸−5	0.0083