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Duncan Weldon

@duncanweldon

Economics writer. Author. Expect history, economics, finance and other stuff. Wrote Two Hundred Years of Muddling Through. Blood and Treasure, on the economics of war, out now.

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Latest posts by Duncan Weldon @duncanweldon

Yes, I get this is an unwind from the market getting ahead of itself yesterday. But still.

10.03.2026 20:04 πŸ‘ 88 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Biggest daily drop in Brent in 4 years. On a day the Iranians appear to be mining the Strait.

10.03.2026 20:03 πŸ‘ 184 πŸ” 18 πŸ’¬ 2 πŸ“Œ 22
Post image

Totally normal market. Very relaxing.

10.03.2026 19:42 πŸ‘ 65 πŸ” 8 πŸ’¬ 8 πŸ“Œ 2

Jennifer Jacobs
@JenniferJJacobs
NEWS via 
@CBSNews
: U.S. intelligence assets have begun to see indications Iran is taking steps to deploy mines in Strait of Hormuz shipping lane. Iran is using smaller crafts that can carry 2 to 3 mines each. While Iran’s mine stock isn’t publicly known, estimates over the years have ranged from roughly 2,000 to 6,000 naval mines of Iranian, Chinese and Russian-made variants, 
@JimLaPorta
 reports
2:13 PM Β· Mar 10, 2026
Β·
6,060
 Views

Jennifer Jacobs @JenniferJJacobs NEWS via @CBSNews : U.S. intelligence assets have begun to see indications Iran is taking steps to deploy mines in Strait of Hormuz shipping lane. Iran is using smaller crafts that can carry 2 to 3 mines each. While Iran’s mine stock isn’t publicly known, estimates over the years have ranged from roughly 2,000 to 6,000 naval mines of Iranian, Chinese and Russian-made variants, @JimLaPorta reports 2:13 PM Β· Mar 10, 2026 Β· 6,060 Views

Here we go

10.03.2026 18:17 πŸ‘ 1233 πŸ” 341 πŸ’¬ 39 πŸ“Œ 239

* US INTELLIGENCE SOURCES SAY IRAN IS STARTING TO PLACE MINES IN THE STRAIT OF HORMUZ, A KEY SHIPPING PATH, ACCORDING TO CBS NEWS.

10.03.2026 18:17 πŸ‘ 9 πŸ” 3 πŸ’¬ 1 πŸ“Œ 5

Loose lips, fine for ships. Something like that.

10.03.2026 18:21 πŸ‘ 38 πŸ” 2 πŸ’¬ 4 πŸ“Œ 0

2. Either Wright just somehow was really confused? Or the US is going to trying an escort something and he went early?
If the later, I’m sure there is some sort of memorable phrase about loose lips and ships.

10.03.2026 18:20 πŸ‘ 27 πŸ” 0 πŸ’¬ 3 πŸ“Œ 0
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1. This is crazy.

10.03.2026 18:18 πŸ‘ 51 πŸ” 11 πŸ’¬ 7 πŸ“Œ 1

Judging from my kids’ mates: Arsenal and Liverpool.

10.03.2026 11:50 πŸ‘ 3 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0

Iran is about 3.5mbpd.
Saudi, UAE, Bahrain, Iraq and Kuwait look to have taken between 6.2 and 6.9mbpd off line in the last week.

10.03.2026 11:41 πŸ‘ 6 πŸ” 0 πŸ’¬ 1 πŸ“Œ 1

There is absolutely zero doubt that the biggest loser economically is Iran.

10.03.2026 11:27 πŸ‘ 6 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

The level of potential economic pain is itself *mostly* a question of time. That’s the key point here. The longer the Strait is closed, the greater the hit to the global economy.

10.03.2026 11:20 πŸ‘ 4 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I’m not at all sure the Tanker War is a useful analogy - in terms of military technology change since the 1980s (drones, better missile guidance, Iran’s mini-subs), in terms of the available number of US escorts or in terms of US willingness to sustain an operation for the length required.

10.03.2026 11:14 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

The US obviously has overwhelming military power. But even totally overwhelming air power (and even coupled with an incredibly sophisticated intel gathering operation) can’t stop all attacks on shipping.

10.03.2026 11:03 πŸ‘ 9 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I don’t disagree on the state building not being an aim.
But I am very suspicious that *any* level of bombing can remove the threat to the Strait.
So I can see how the US can wreck the Iranian state but I struggle to see a how this campaign can β€˜win’.

10.03.2026 10:57 πŸ‘ 8 πŸ” 0 πŸ’¬ 3 πŸ“Œ 0

I still think I prefer the whole Australian package, including compulsory voting.

10.03.2026 10:51 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Preview
Hormuz halt forces Opec+ producers to curb crude output | Latest Market News Saudi Arabia, the UAE and Bahrain have joined Iraq and Kuwait in curbing crude output, as the near-halt in tanker traffic through the strait of Hormuz cuts Opec+'s Mideast Gulf producers off from thei...

Useful on production cuts so far.

www.argusmedia.com/en/news-and-...

10.03.2026 09:42 πŸ‘ 6 πŸ” 4 πŸ’¬ 1 πŸ“Œ 1

I’d love to know what % of revenue is to adults.
Presume a fair bit nowadays?

10.03.2026 08:25 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Preview
Iran Submarine Capabilities Overview of Iran's submarine capabilities and import-export behavior.

Broadly agree.
And I think it’s quite notable that amid all the US boosts about sinking 46 Iranian navy vessels, everything is v quiet on the Iranian subs.

www.nti.org/analysis/art...

10.03.2026 08:08 πŸ‘ 5 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Preview
Pakistan to close schools, take other measures to cut energy as oil spikes Pakistan's Prime Minister Shehbaz Sharif β€Œsaid on Monday that schools would close for two weeks and office workers would work more from home as he announced a range of measures to cut fuel use and gov...

Some examples of how the energy crisis is affecting South Asia.

1. Pakistan will close schools for the next two weeks, get government employees to work from home and universities will shift to online learning.

www.reuters.com/world/asia-p...

10.03.2026 04:00 πŸ‘ 68 πŸ” 55 πŸ’¬ 1 πŸ“Œ 6

The President says stuff all the time - is all trade with Spain now embargoed?
Real case for watching what is actually happening rather than listening to the words.

10.03.2026 07:08 πŸ‘ 61 πŸ” 2 πŸ’¬ 4 πŸ“Œ 0

In the cold light of morning: that looks to have been a reasonably successful attempt to calm markets. But not, so far, an actual deescalation.
As long as the Strait is still closed, I’d expect oil to keep grinding higher.

10.03.2026 07:04 πŸ‘ 88 πŸ” 10 πŸ’¬ 5 πŸ“Œ 5

This is one of the maddest press conferences I’ve ever watched.

09.03.2026 22:15 πŸ‘ 48 πŸ” 5 πŸ’¬ 9 πŸ“Œ 1

Once upon a time, MAGA promised no more wars in the Middle East and a focus on strategic confrontation with China.
The President just told his press conference he was fighting a war in the Middle East, partially to secure China’s oil supplies.
Hope everyone is keeping up.

09.03.2026 22:08 πŸ‘ 109 πŸ” 22 πŸ’¬ 6 πŸ“Œ 0

I have no idea what is happening now.
But at least no one else does either.

09.03.2026 22:04 πŸ‘ 163 πŸ” 19 πŸ’¬ 12 πŸ“Œ 3

Feels like a demonstrated ability and willingness to close the Strait is a fairly useful form of strategic deterrent for them.

09.03.2026 20:36 πŸ‘ 22 πŸ” 0 πŸ’¬ 5 πŸ“Œ 0

πŸ”΄ Trump: US very far ahead of 4-5 week time frame - CBS Phone Interview. Trump: I think the Iran war is very complete pretty much - CBS reporter on X, citing an interview

09.03.2026 19:22 πŸ‘ 6 πŸ” 2 πŸ’¬ 1 πŸ“Œ 7

Well, that was quite a rollercoaster week for European markets.
Glad it’s Friday now and we can have some calm time.

09.03.2026 18:50 πŸ‘ 151 πŸ” 9 πŸ’¬ 3 πŸ“Œ 0

Were there any British columnists berating Wilson for not sending troops to Vietnam?

09.03.2026 18:22 πŸ‘ 42 πŸ” 4 πŸ’¬ 4 πŸ“Œ 0

Circa 2009 saw a CV from a man applying for a job with the firm I was at then. It went - seriously - Enron, Bear Stearns, Lehman. I blame that guy.

09.03.2026 18:16 πŸ‘ 35 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0