What type of study is this?

This is a Quantitative Study study.

ChiNext-Based Iterative Refinement for No-Short-Sale Constrained MV Portfolios

View Full Paper

Ask AI

Bookmark

The optimized portfolio achieves positive weights while balancing return objectives and no short-selling constraints.
Empirical analysis over five years reveals a focused concentration on stocks with high Sharpe ratios.
Iterative removal of negatively weighted assets updates the covariance matrix, facilitating the construction of the efficient frontier.
Traditional diversification benefits are weakened due to strong sector linkage effects, leading to concentrated holdings.

No takes yet. Share an insight, caveat, or question.

Optimization approach addresses no short-selling in mean-variance model for ChiNext portfolios, suggesting new asset allocation strategies.

Z. Tang (2025) studied this question.

View Full Paper

Ask AI

Bookmark

Optimization approach addresses no short-selling in mean-variance model for ChiNext portfolios, suggesting new asset allocation strategies.