Interest Rates: Higher interest rates can decrease demand for loans, impacting Westpac's profitability and share price. Lower rates may increase borrowing and profits.

Economic Growth: A strong economy typically leads to increased borrowing and investment, benefiting Westpac's performance and share price.

Regulatory Changes: Changes in banking regulations, such as capital requirements, can affect Westpac's profitability and operational costs, influencing its stock price.

Market Sentiment: Overall market optimism or pessimism can drive investor behavior, impacting the demand and supply of Westpac shares.

Competition: The competitive landscape in the Australian banking sector can affect Westpac's market share, profitability, and stock price.

Company Performance: Westpac's financial performance, including profits, revenue, and asset quality, directly impacts investor confidence and stock valuation.

Dividend Policy: Westpac's dividend payout ratio and yield can attract income-seeking investors, influencing the demand and price of its shares.

Global Events: International economic events, geopolitical tensions, and global financial crises can affect Westpac's performance and stock price.