Lowest Volatility in 90 Days Recorded for Free-market US Dollar (USD/IRR)
The Free-market US Dollar (USD/IRR) registered its lowest volatility in 90 days during the August 18, 2026 session, contracting to a 20-session window measur...
The Free-market US Dollar (USD/IRR) registered its lowest volatility in 90 days during the August 18, 2026 session, contracting to a 20-session window measure of 0.953 percent and eclipsing the previous 1.02 percent threshold.
Interactive price chart
Event Details
During the August 18 session, the asset opened at 1,872,050.0 IRR, reached a high of 1,872,200.0 IRR, and dipped to a low of 1,869,800.0 IRR before settling at a close of 1,870,100.0 IRR. This narrow trading band resulted in an intraday range of 0.128 percent alongside a daily return of 0.273 percent. The resulting volatility metric of 0.953 percent breaks below the prior recorded level of 1.02 percent across the 90-day lookback window spanning 20 sessions.
Conclusion
The contraction in volatility marks a distinct tightening of the trading range for the Free-market US Dollar (USD/IRR) relative to the preceding 90-day benchmark. By shifting from the previous 1.02 percent reading down to 0.953 percent over the 20-session window, the latest print establishes a lower bound for session-to-session fluctuations within the tracked period.
Live rates
Track the latest Free-market US Dollar (USD/IRR) session on Iran Market Data.