PENGARUH STRUKTUR MODAL, UKURAN PERUSAHAAN, KAPITALISASI PASAR DAN FREKUENSI PERDAGANGAN TERHADAP RETURN SAHAM PADA PERUSAHAAN NON-KEUANGAN YANG TERDAFTAR DALAM LQ45 DI BEI

This study aims to examine the effect of capital structure, measured by the Long-Term Debt to Equity Ratio (LTDER), firm size, market capitalization, and trading frequency on stock returns of non-financial companies listed in the LQ45 index on the Indonesia Stock Exchange (IDX). The research used a quantitative approach with panel data from 24 companies over the 2022–2024 period, resulting in 72 observations. Data were analyzed using multiple linear regression. The coefficient of determination (R²) was 0.661, indicating that the independent variables explained 66.1% of the variation in stock returns. Partially, capital structure (sig = 0.732) had no significant effect on stock returns. In contrast, firm size (sig = 0.002), market capitalization (sig = 0.000), and trading frequency (sig = 0.000) had significant effects. The findings highlight that company scale, market value, and trading activity play a crucial role in determining stock returns in the LQ45 index, while capital structure, as measured by LTDER, does not have a significant influence.