The third round of indirect negotiations between Iran and the United States began in Muscat, continuing with Omani facilitation and delegations working from separate rooms, IRNA reported on April 26.

Expert delegations headed by Iranian Foreign Minister Abbas Araghchi and US Chief Negotiator Steve Witkoff are currently engaged in discussions that have lasted more than two hours. Foreign Ministry spokesperson Ismail Baqaei confirmed that Iran's technical delegation includes experienced sanctions specialists, economic and banking experts, along with nuclear programme specialists who handle interactions with the International Atomic Energy Agency (IAEA).

According to Mehr News Agency, representatives from the US Treasury Department are also participating in these discussions.

"The Islamic Republic of Iran remains steadfast in its principled positions regarding the necessity of ending unjust sanctions and its readiness to build trust regarding the peaceful nature of Iran's nuclear programme," Baqaei told reporters during a media briefing.

The spokesperson emphasised that experience has shown reaching an understanding requires "respect for Iran's legitimate rights under the Non-Proliferation Treaty and assurances regarding the effective termination of sanctions."

This round follows two previous sessions of indirect talks, with Oman continuing its role as intermediary between the two countries, who have not maintained formal diplomatic relations since 1980. The discussions come amid ongoing international concerns about Iran's nuclear activities and the impact of economic sanctions that have severely constrained the country's economy.

Neither side has released details about specific progress made during the current round of negotiations, though analysts suggest the presence of technical experts indicates discussions of concrete mechanisms for sanctions relief and nuclear verification protocols.

Markets in Tehran have shown optimism over the outcomes of the talks. The US dollar has fallen below the IRR800,000 threshold in Tehran's open market, with field observations from Ferdowsi Square showing brokers purchasing dollars at IRR780,000 and selling at between IRR790,000 to IRR794,000 at noon.

The euro also experienced a price decrease in today's trading, with intermediaries selling at rates between IRR890,000 to IRR900,000.

Tehran Stock Exchange's main index (TEDPIX) also gained over 15,000 points on April 26, reaching 3,151,000. The stock market has closed in positive territory for 11 out of the past 13 trading days.