Great-West Lifeco Inc. Pfd Shares Series Q (GWO-PQ.TO) price determinants: Interest Rates: Rising interest rates typically decrease the value of preferred shares as newer issues offer higher yields, making existing ones less attractive.

Credit Rating: A downgrade in Great-West Lifeco's credit rating would likely lower the price of its preferred shares due to increased risk perception.

Company Performance: Great-West Lifeco's financial health and profitability influence investor confidence and the perceived safety of dividend payments.

Market Sentiment: Overall investor risk appetite and market conditions can impact the demand for preferred shares, affecting their price.

Dividend Rate: The fixed dividend rate offered by the preferred shares relative to prevailing market yields is a key determinant of its price.

Call Provision: The existence and terms of a call provision (company's option to redeem shares) can limit price appreciation.

Liquidity: The trading volume and ease of buying/selling the shares influence price volatility and investor interest.

Economic Conditions: Broad economic factors like inflation and recession can indirectly affect the company's performance and the perceived risk of holding its preferred shares.