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US.RECESSION.08 on InTrade

  • May. 8th, 2008 at 4:05 PM
side-beard-flip
I was surprised to see the recession contract all the way down at 28.7, but then I read the rules and saw that the definition is 2 successive quarters of negative real GDP growth over the 5 quarter window Q4 2007 - Q4 2008. As opposed to basing it on the NBER, which usually uses that definition but has leeway to call a recession under other circumstances.

It does specify the final numbers, rather than advance or preliminary, and I believe they tend to get revised downward (since they are cooked). The advance for Q1 was +0.6%, the preliminary will come on May 29th.

So the basic issue with this contract is: on the one hand, we're pretty obviously getting pulled into a housing / credit crunch driven recession. On the other hand, the GDP numbers are cooked (if nothing else because they are based on inflation numbers which are deeply cooked (deep-fried?)). So is this a buy at 28.7?

The dramatic fall over the past month seems like a rather extreme reaction to just having a Q1 advance number of +0.6%. So I'm inclined to buy.

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Comments

[info]prock wrote:
May. 8th, 2008 11:17 pm (UTC)
The real question with that contract is when it closes vs. when the actual final final numbers are released. I looked at the contract specific rules, but couldn't find what the closing date of the contract was.

Do you know the closing date?
[info]patrissimo wrote:
May. 9th, 2008 08:41 pm (UTC)
It specifies final numbers for all quarters, so I don't see how it can close before final numbers for 2008 Q4 are released.
[info]contrariandoer wrote:
May. 9th, 2008 04:42 am (UTC)
the definition is 2 successive quarters of negative real GDP growth over the 5 quarter window Q4 2007 - Q4 2008.

Using this definition, you can calculate the fair price
of US.RECESSION.08 using the prices of the probabilities
of positive GDP growth. I did this a while back and
it's quite close to the price at InTrade. Hence, there
is no arbitrage opportunity.
[info]agthorr wrote:
May. 9th, 2008 02:02 pm (UTC)
There are 8 possible combinations of quarters 1 through 4 that would meet that definition:
----
---+
--+-
--++
-+--
+---
+--+
++--


5 of those 8 combinations just evaporated, so I believe that justifies a large price drop, even if a low Q1 increases the probability of a negative Q2.
[info]patrissimo wrote:
May. 9th, 2008 08:43 pm (UTC)
This is not the case, as we've only received the first of 3 values for 2008 Q1. We got the advance, then we'll get the preliminary, then final. So Q1 could still become negative (although admittedly it's become substantially less likely). So call it 2.5/8 of those combinations :). Still justifies a decent drop - but not from 80 to 40 or whatever it was.
[info]daraknor wrote:
May. 9th, 2008 03:16 pm (UTC)
Based on my fractal calculations, since it pierced 28.125 I'd wait to see if it hits 25 and buy at 25 sans horrible news about that industry.

MOST numbers are cooked, and a lot of trading based on technical news is following what they want you to think. That would work better if more people believed them - but you don't. Therefore the data loses merit even if it is true.

Google Mish's economic analysis.

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