We are now six weeks from the presidential election. Last week I did my initial post on Intrade and the presidential election. During the 2004 election, Intrade picked the presidential race correctly in every state but Alaska. It picked every senatorial race correctly in 2006.
According to state-by-state Intrade markets, Barack Obama will win by eighteen electoral votes. Last week the margin was eight votes. I broke down the votes for both candidates into two categories. If the candidate trades sixty or higher to win in a state, I consider that state a solid win. If the candidate is trading in the 50.1 to 59.9 range in a state, then I consider that state leaning toward that candidate. Here is a map showing the outcomes by state:
Electoral Votes
McCain – 260
Obama – 278
What changed is that Nevada went from leaning significantly toward McCain to leaning slightly toward Obama. Furthermore, Colorado and New Mexico went from leaning toward Obama to being solidly for Obama. Ohio went from being solidly for McCain to leaning toward McCain. In short, all the shifts in the key states were toward Obama.
Leaning States
In the following analysis, it should be noted that there are two types of Intrade contracts worthy of mention. One contract says McCain wins, and the other says Obama wins. Because they are traded separately, the sum of the two prices rarely equals exactly 100.
Nevada (5) – Currently leaning toward Obama at 52.9 (+7.9 over last week), while McCain is at 59.8, with Obama at 45. Last week Nevada was leaning toward McCain.
New Hampshire (4) – Still leaning toward Obama at 59.8 (+3.3), with McCain at 41.5 (-2.0).
Ohio (20) – Currently leaning toward McCain at 54.9 (-6.0), and Obama now ate 47. Ohio had just barely been in the safe category for McCain last week.
Four other states of interest (Winner in the 60-70 range.)
Colorado (9) – Obama at 60 (+5.1) and McCain at 39.2 (-8.6). It was leaning toward Obama last week.
Florida (27) – McCain is at 61.9 and Obama at 38.4 after being solidly for McCain last week.
Michigan (17) – Obama currently is at 67 (+2.0), while McCain is at 35.
Ohio (20) – McCain at 60.9 after trading in the 30s in July and the 40s in August.
Pennsylvania (21) – Obama is at 66.7 (+0.7), while McCain is at 31.6.
States now of less interest.
Minnesota (10) – Now solidly for Obama is at 71.5 (+3) and McCain at 27.1.
New Mexico (5) – Solid for Obama at 74 (+14.5) and McCain at 31.1 (-8.8). Had been leaning Obama.
Thoughts
Intraders clearly sense a shift in Obama's direction. If their perceptions are right, then McCain can't win without bringing at least one of the four states of interest into his column. If things stand as they are now, but McCain either wins Colorado or brings in the combination of New Hampshire and Nevada, then we will have a tie 269 votes.
Intrade on the overall question of who will win the White House
McCain – 48 (-2.5)
Obama – 50.8 (+1.9)
To look at the election from polling data, you can visit Real Clear Politics. Here is their map. Notice that polling data shows the race in several states to be much less certain.
Real Clear Politics polls indicate the following changes since last week:
States that were solid for McCain now leaning McCain: MT, NC, ND
States that were leaning for McCain now a toss-up: FL, IN
States that were a toss-up now leaning Obama: MI, NM
States that were leaning Obama that are now solid Obama: IA
States that were leaning Obama that are now a toss-up: WI
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