Underlying Asset Performance: The price of 00759B.TWO, an ETF tracking Taiwan corporate bonds, is significantly affected by the performance of the bonds it holds. If bond prices rise, the ETF's price will generally increase. Interest Rate Movements: Bond prices have an inverse relationship with interest rates. Rising interest rates typically decrease bond values and the ETF's price, while falling rates usually increase bond values and the ETF's price. Credit Risk of Issuers: The creditworthiness of the companies issuing the bonds within the ETF impacts its price. Downgrades in credit ratings can lead to lower bond prices and a decline in the ETF's value. Market Sentiment: General investor sentiment towards fixed income investments and the Taiwanese economy can influence demand for the ETF, affecting its price. Supply and Demand: The basic principles of supply and demand play a role. Higher demand for the ETF, relative to its supply, will typically push the price upward. Conversely, increased selling pressure can cause the price to fall.