The explanation should not be too professional. Fund Performance: How well the SCPEX.US fund is doing, like if it's making money or losing money, will affect its price. If it's doing well, more people will want to buy it, pushing the price up.

Market Conditions: The overall mood of the stock market can change the fund's price. If the market is doing well, the fund might go up. If the market is down, the fund might also go down.

Investor Demand: If lots of people want to buy SCPEX.US, the price will likely go up. If lots of people want to sell, the price will likely go down.

Underlying Assets: The types of things the fund invests in, like specific stocks or bonds, will affect its price. If those things are doing well, the fund will probably do well too.

Expense Ratio: The fee the fund charges to manage the money can affect how attractive it is. A lower fee might make it more appealing and push the price up slightly.

Interest Rates: Changes in interest rates can affect bond prices, which can impact the fund if it holds bonds. Higher rates usually mean lower bond prices.