Interest Rates: Broadly, when interest rates rise, bond prices (and thus VAB.TO's price) fall, and vice versa. Higher rates make newer bonds more attractive.

Bond Yields: Changes in yields of underlying Canadian government and corporate bonds directly impact VAB.TO. Higher yields typically pressure VAB.TO downwards.

Inflation Expectations: Rising inflation erodes bond values, leading to lower VAB.TO prices. Decreasing inflation can boost prices.

Credit Spreads: Widening credit spreads (difference between corporate and government bond yields) decreases VAB.TO's value, especially for corporate bonds it holds.

Market Sentiment: General investor risk appetite influences bond demand. Risk-off sentiment boosts bond prices, benefiting VAB.TO, while risk-on reduces them.

Supply and Demand: Higher demand for VAB.TO pushes prices up, while increased selling pressure lowers them.

Economic Growth: Stronger economic growth can lead to higher interest rates and inflation, negatively affecting VAB.TO.

Bank of Canada Policy: The Bank of Canada's monetary policy decisions, like rate hikes or quantitative easing, significantly move bond markets and VAB.TO.