Underlying Index Performance: The price of 513900.SHG directly reflects the performance of its underlying index, the SSE STAR Market 50 Index. Index constituents' price movements impact the ETF's NAV.

Supply and Demand: Market supply and demand for the 513900.SHG ETF influence its price. Higher demand can drive up the price, while increased supply can lower it.

Investor Sentiment: Overall investor sentiment towards the STAR Market and Chinese technology stocks affects the ETF's price. Positive sentiment can lead to increased investment and higher prices.

Trading Activity: High trading volumes can increase price volatility, while low trading volumes may result in wider bid-ask spreads and greater price impact from individual trades.

Market Events: Macroeconomic events, regulatory changes, and industry-specific news related to STAR Market companies can significantly impact the ETF's price.

NAV and Tracking Error: The ETF's Net Asset Value (NAV) serves as a benchmark. Discrepancies between the ETF's price and its NAV, known as tracking error, can arise due to various factors like fund expenses and trading costs.

Liquidity: The liquidity of both the ETF and its underlying assets affects price discovery. Higher liquidity generally leads to more efficient pricing.

Currency Fluctuations: Since the underlying assets are priced in CNY, currency fluctuations can indirectly impact the ETF's price for foreign investors.

Regulatory Environment: Changes in regulations related to the STAR Market or ETFs in general can influence investor sentiment and the ETF's price.

Competition: The presence of similar ETFs tracking the same index can impact the competitiveness and pricing of 513900.SHG.