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

Table 8

Comparison results of modified ABC, ABC, and GA with 𝐶⁴_𝑖(𝑥_𝑖).

	𝑥1	𝑥2	𝑥3	𝑥4	Return	Risk	𝑈max
Modified ABC	0.274	0.326	0.201	0.199	0.06242	7.4372𝐸−6	0.0120
ABC	0.254	0.346	0.200	0.200	0.06222	7.4639𝐸−6	0.0119
GA	0.307	0.291	0.202	0.200	0.06228	7.5506𝐸−6	0.0119