Interest Rate Differentials: Higher Australian interest rates relative to other countries can attract foreign investment, increasing demand for the Australian dollar and raising its value.

Commodity Prices: Australia is a major exporter of commodities like iron ore and coal. Rising commodity prices boost Australia's export income, strengthening the AUD.

Global Economic Growth: Strong global growth increases demand for Australian exports, supporting the AUD. Conversely, a global slowdown can weaken the AUD.

Risk Sentiment: The AUD is often considered a risk-on currency. During periods of global economic uncertainty, investors may flock to safe-haven currencies, weakening the AUD.

Australian Economic Data: Strong economic data releases, such as GDP growth, employment figures, and inflation data, can boost investor confidence and increase demand for the AUD.

RBA Policy: The Reserve Bank of Australia's (RBA) monetary policy decisions, such as interest rate adjustments and quantitative easing, can significantly impact the AUD.

Geopolitical Events: Global political events and tensions can influence investor sentiment and impact the AUD, often leading to increased volatility.

Market Speculation: Speculative trading activity in the foreign exchange market can also influence the price of the AUD, particularly in the short term.