November 21, 2025
Universidad Ana G. Méndez | Recinto de Gurabo
America/Puerto_Rico timezone

Impact of Daily Price Fluctuations on Trading Volume in SPY ETF

Nov 21, 2025, 1:00 PM
15m
Anfiteatro Morales Nievas (Universidad Ana G. Méndez | Recinto de Gurabo)

Anfiteatro Morales Nievas

Universidad Ana G. Méndez | Recinto de Gurabo

6XQV+JQR, Gurabo, 00778
Oral Presentation Accounting & Finance Track C

Description

This research investigates the relationship between daily price indicators and trading volume for the SPDR S&P 500 ETF Trust (SPY), one of the most actively traded exchange-traded funds (ETFs) in global markets. The dataset includes historical daily data for Open, High, Low, and Close prices, trading Volume, Dividends, and corporate actions, making it an extensive resource for financial modeling and empirical analysis. A multiple linear regression model was applied using 251 daily observations, with trading volume as the dependent variable and price variables as independent predictors. The model demonstrated a moderately strong explanatory power, with a multiple correlation coefficient of R=0.758 and an adjusted R2=0.567, indicating that approximately 56.7% of the variance in volume is explained by the predictors. The model was statistically significant overall (F = 82.886, p < .001). Individually, the High price (t = 7.83, p < .001) and Low price (t = -11.36, p < .001) were significant predictors of trading volume, while Open (p = .154) and Close (p = .191) prices were not statistically significant. Pearson correlation analysis revealed very strong multicollinearity among the independent variables (correlation coefficients exceeding 0.98), suggesting redundancy that may compromise the interpretability of individual coefficients in the regression model. These results highlight the relevance of intraday price extremes (High and Low) in forecasting trading activity and emphasize the need for multicollinearity control in financial regression modeling. The findings provide a practical foundation for quantitative analysts and financial researchers developing predictive models or algorithmic trading strategies based on price-volume relationships.

Affiliation / University / Organization Universidad Ana G. Méndez, Recinto de Gurabo

Authors

Dr Carlos Rosa (Universidad Ana G. Méndez) Dr Edda Martínez (Universidad Ana G. Méndez) Prof. Juan Lorenzo Martínez (Universidad Ana G. Méndez) Dr María Meléndez (Universidad Ana G. Méndez)

Presentation materials