AT1P.LSE tracks the iShares Core UK Gilts ETF, thus its price primarily reflects UK government bond (gilt) values. Underlying Gilt Prices: Gilt yields and prices have an inverse relationship. Higher yields mean lower prices and vice-versa. This directly impacts the ETF's net asset value (NAV).

Interest Rate Expectations: Anticipated changes in the Bank of England's base rate affect gilt yields. Expected rate hikes usually push gilt yields higher and prices lower.

Inflation: Higher inflation erodes the real value of fixed-income gilts, leading to higher yields demanded by investors and lower prices.

Economic Growth: Stronger economic growth can lead to expectations of higher inflation and interest rates, negatively affecting gilt prices.

Market Sentiment: Overall risk appetite influences demand for gilts. During times of uncertainty, investors often seek safe-haven assets like gilts, increasing demand and prices.

Supply and Demand: Increased gilt issuance by the UK government to fund spending can increase supply, potentially lowering prices if demand doesn't keep pace.

Currency Fluctuations: While the ETF primarily holds UK Gilts, currency fluctuations can slightly influence returns for investors holding the ETF in other currencies.

ETF Supply and Demand: High demand for AT1P.LSE can sometimes lead to a premium over its NAV, while high selling pressure can result in a discount.