I listened to various experts talk for over thirty minutes on Radio 5’s afternoon show last week about the high oil price. Not one mentioned Peak Oil. Not one mentioned out-of-control money supply. Not one mentioned increasing Asian demand..

Yes, oil is overbought; yes, oil is going to correct at some stage…but it’s not a bubble.

Then we had Anatole Kaletsky in The Times tell us the rising oil price ‘threatens to do far more damage to the world economy than the credit crunch.’ He’s right about that. Unless of course you’re long of oil in some form or other, in which case things are looking rather rosy.

Kalestsky goes on, ‘The present commodity and oil boom shows all the classic symptoms of a financial bubble, such as Japan in the 80s, tech stocks in the 90s and, most recently, housing’. Does it?

In a bubble supply overwhelms demand, yet prices continue to rise. In the 1990s tech companies with no earnings issued masses of stock; in the US housing boom-bust, builders built everywhere and there was an oversupply of inventory. Is there an oversupply of oil?

The chart below from IEA statistics shows oil supply and demand 2003-2007.

Since 2007, supply has remained constant at about 85 million barrels per day, while demand is now around 88 million barrels per day. No supply-glut there.

Kaletsky goes on to say that the Gulf is ‘crammed with supertankers chartered by oil-producing governments to hold the inventories of oil they are pumping but cannot sell’. Hang on, are you sure?

A bit of research reveals there are in fact ten supertankers ‘cramming’ the Gulf, with about twenty million barrels between them – or less than 25% of one day’s global demand. They are carrying heavy Iranian crude, just at the peak of the refinery maintenance season in Asia and the Mediterranean, when refineries have seasonal shut downs for repairs. It’s just a temporary lack of refining capability for heavy oil, that’s all.

It’s worth noting that just a few weeks back, when oil was $100, George Blake, a geologist who studies hard data, rather than an info-spinning journalist, noted an imminent shortage of refinery capacity in Canada and Australia and said it was going to shortly lead to $160 oil. He was laughed at and dismissed. As we touch $135, it’s starting to look now like one of the calls of the decade.

What about other commodities? Are they in a bubble?

So is this commodities bull market a classic financial bubble as Kalestsky asserts? Below is a long-term chart of commodities prices since 1749:

Since 1792 there have been five major bull markets in commodities. These lasted 23 years, 21 years, 23 years, 18 years and 12 years – an average of 19.4 years. The current bull market began around 2000, so we are 8 years in. If history is any guide, this bull market is not even at the halfway stage. Unless, of course, ‘it’s different this time’ and this is the shortest commodities bull market ever.