The Tehran Stock Exchange Index (TSE) is a key financial indicator that reflects the performance of the stock market in Iran. It tracks the prices of shares listed on the Tehran Stock Exchange, providing insights into the overall health of the economy and investor sentiment. The index is composed of various sectors, including banking, petrochemicals, and mining, representing a diverse range of companies. Investors use the TSE Index to make informed decisions about buying and selling stocks, as it serves as a benchmark for market performance in Iran.