Market Interest Rates: Rising interest rates generally decrease SPIA.F's attractiveness, as investors can find better yields elsewhere.

Inflation Expectations: Higher inflation erodes the real value of future payments, making SPIA.F less appealing.

Longevity Expectations: Increased life expectancy necessitates larger annuity payouts, potentially lowering the initial share price.

Company Financial Health: The issuer's financial stability is crucial; concerns about solvency can depress the price.

SPIA.F's Underlying Asset Performance: Poor performance of the assets backing the annuity will impact its perceived value.

Overall Market Sentiment: Broad economic optimism or pessimism can influence investor demand for annuities, impacting prices.

Regulatory Changes: Government regulations affecting annuities or insurance companies can create uncertainty and price volatility.

Competition: The availability and attractiveness of alternative retirement income products will influence SPIA.F's price.

Fees and Charges: Higher fees associated with the annuity can make it less competitive, affecting its market value.