Iranian National Security Council Secretary: I have reviewed the letter from the U.S. Vice President and have not responded to it yet, and their tone has completely changed

Iran's Secretary of the Supreme National Security Council stated that he has reviewed a letter from the U.S. Vice President, has not yet formally responded, and observed that the tone of the correspondence has shifted significantly. The remark signals a possible change in diplomatic posture between Washington and Tehran, a channel that markets typically price through geopolitical risk premia rather than direct fundamentals. The transmission runs through risk appetite and energy: any perceived easing of tensions tends to compress oil-related risk premia and reduce safe-haven demand for gold and the U.S. dollar, while a hardening stance tends to do the reverse. Assets most sensitive to this include Brent and WTI crude, Gulf-region equities and sovereign bonds, and tanker and shipping insurance rates tied to Strait of Hormuz transit risk. Traders should watch for Iran's formal written reply to the letter, along with any statements from the U.S. State Department and Gulf producers' OPEC+ communications, as the next concrete signals of whether the tonal shift translates into substantive negotiation.

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