Table 5 Portfolio stability under a Monte Carlo shock test (1000 runs)

From: Quantum stochastic walks for portfolio optimization: theory and implementation on financial networks

Strategy/preset

α

β

λ

Mean % Wt change

Std. Dev. % Wt change

QSW presets

     

Ultra-diversified

1.0

100.0

10.0

0.07%

0.08%

Moderate-balanced

10.0

10.0

10.0

0.80%

0.69%

Stability-focused

1.0

10.0

100.0

1.40%

2.22%

Balanced-active

10.0

1.0

100.0

1.90%

2.45%

Sharpe-maximizer

100.0

1.0

10.0

3.61%

3.76%

High-activity

100.0

10.0

1.0

3.61%

3.76%

MPT (max-Sharpe)

1.72%

7.82%