Underlying Index Performance: 515320.SHG tracks a specific index; its price closely reflects the index's movements.

Supply and Demand: Market forces of buyers and sellers influence the ETF's price. High demand increases price; high supply decreases it.

Market Sentiment: Overall investor confidence or fear impacts ETF prices. Positive sentiment raises prices, negative sentiment lowers them.

Trading Volume: Higher trading volume typically indicates greater liquidity and price discovery, potentially leading to more price volatility.

Expense Ratio: The ETF's operating costs, while not directly impacting price moment-to-moment, affect long-term returns and therefore, its attractiveness.

Net Asset Value (NAV): The underlying value of the ETF's holdings influences its price; a significant discrepancy between price and NAV may arise but will eventually correct.

Arbitrage: Market makers and authorized participants help keep the ETF price aligned with its NAV through arbitrage activities, buying/selling to profit from price differences.