The yield to maturity on Iran's Islamic treasury bills fell to 39.58 percent

Based on data from the economic analysis and risk department of Iran's Securities and Exchange Organisation, published by Bourse News on Sunday 2 August 2026 (11 Mordad 1405), the yield to maturity on Islamic treasury bills fell by 0.22 percentage points to 39.58 percent.

The figures cover the first week of the Iranian month of Mordad, from Saturday 25 July to Wednesday 29 July 2026 (3 to 7 Mordad 1405). Over that period, total retail trading volume in Islamic treasury bills reached 13,088,000 notes.

The highest daily volume was recorded on 26 July (4 Mordad) at about 3,423,000 notes, and the lowest on 29 July (7 Mordad) at about 2,148,000 notes. The yield on these bills is followed in Iran's capital market as the reference risk free rate.