US Treasury Secretary Bessent says today we are launching Operation Economic Outcast; we are going to end the Iran threat; Iran has two paths, normalcy or total isolation

• The actions of Treasury and other agencies will tighten the noose and block every potential source of revenue that funds the IRGC and the evil Iranian regime. We are enforcing a zero-leakage approach.
• Countries cannot claim they are blind, Iran's enablers purchase and transport its petroleum, they turn a blind eye to seaborne oil transfers and overland transits.
• US President Trump is making calls to world leaders to cut economic ties with Iran.
• US expects actions of other nations, if others do not act, Treasury will unilaterally act.
• Countries will have a finite timeline to shutdown activities identified by the US Treasury, including closing Iran's bank branches abroad.
• US to end dollar access to those laundering Iran money.

US sanctions escalations against Iran have historically followed a recognisable sequence: a named campaign, secondary-sanctions threats against third-country enablers, a wind-down or compliance timeline, and then the enforcement gap between announcement and implementation. The credible parts of such packages tend to be the dollar-access lever and pressure on foreign bank branches, since correspondence through the US financial system is where Treasury holds direct jurisdiction; seaborne dark-fleet transfers and overland trade have historically proved harder to seal, and previous maximum-pressure episodes still left a substantial share of Iranian crude reaching Asian buyers at a discount. The operative distinction is between enforced zero-leakage, which would physically remove barrels, and a negotiated partial outcome, which has been the modal resolution in comparable cycles. The variables worth tracking are whether the finite timeline to third countries is specified, whether any designations actually land on the refiners, shippers, and insurers that move the barrels, and how enforcement interacts with whatever exempted or tolerated flows currently exist. Freight rates, insurance costs, and the discount on sanctioned grades are where compliance tightening has historically shown up first, ahead of any change in headline export volumes. Rhetoric alone has tended to fade; the designations list is the tell.