Each round of American enforcement against third-country intermediaries pushes sanctioned trade further into non-dollar settlement and opaque logistics, so the measures deliver diminishing returns while steadily expanding the parallel financial plumbing that operates outside Washington's reach.
strengthening · confidence 42 · Emerging (watchlist) · tracking since August 26, 2026 · updated August 28, 2026
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Now 42 · +4 since Aug 27 · ranged 38 to 42
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Beijing warned it would take "all necessary measures" if widened US sanctions reach Chinese buyers of Iranian crude, escalating the cost of enforcement against third-country purchasers and raising the incentive for those flows to settle outside dollar channels rather than to stop.
The US Treasury designated roughly 60 entities over Iran trade, about 24 of them in mainland China or Hong Kong, while deliberately sparing major banks. Hitting intermediaries but not the settlement banks is the diminishing-returns pattern the thesis predicts: the trade migrates to new shell layers and non-dollar channels rather than stopping.
Supporting · August 26, 2026
US Treasury Sanctions Chinese and Hong Kong Firms Over Iran Trade While Sparing Major Banks
The US Treasury designated roughly 60 entities over Iran trade, about 24 of them in mainland China or Hong Kong, while deliberately sparing major banks. Hitting intermediaries but not the settlement banks is the diminishing-returns pattern the thesis predicts: the trade migrates to new shell layers and non-dollar channels rather than stopping.
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