Underlying Holdings Performance: The price of PZW.TO is primarily driven by the performance of the underlying Canadian government bonds it holds. Higher bond prices increase the ETF's NAV and market price, while lower bond prices decrease them.

Interest Rate Changes: Rising interest rates generally cause bond prices to fall, negatively impacting PZW.TO's price. Conversely, falling interest rates typically lead to higher bond prices and a higher ETF price.

Inflation Expectations: Higher inflation expectations often lead to higher interest rates and lower bond prices, thus negatively affecting PZW.TO. Lower inflation expectations can have the opposite effect.

Market Sentiment: General investor sentiment towards fixed income and Canadian government bonds can influence demand for PZW.TO, impacting its market price. Increased demand drives the price up, while decreased demand drives it down.

Supply and Demand: The supply and demand dynamics for PZW.TO shares in the market directly affect its price. Higher demand relative to supply pushes the price upward, and vice versa.

Credit Risk: Changes in the perceived creditworthiness of the Canadian government can impact the prices of Canadian government bonds and, therefore, PZW.TO. A downgrade could negatively affect the ETF.

Liquidity: The liquidity of the underlying bond market can affect PZW.TO's pricing. Less liquid bonds may result in wider bid-ask spreads and potentially impact the ETF's NAV calculations.

Currency Fluctuations: Since PZW.TO holds Canadian government bonds, currency fluctuations (specifically, the Canadian dollar's value) can impact the ETF's returns for investors holding other currencies.