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Old 06-12-2002, 08:22 PM   #1
rrbauer
Both-hands Bettor
 
Join Date: Mar 2002
Location: NASCAR Country
Posts: 4,390
Odds' Changes after the Bell

Mike Marten who is the PIO for the CHRB provided this to me in response to my request for an explanation of how betting is stopped over the simulcast network when a race goes off (in layman's terms).


From: "Mike Marten"
Date: Wed, 12 Jun 2002 16:30:01 -0700
Subject: Late Odds Changes


In response to the many comments about changes to odds after the start of a race, here is what I know:
One of the stewards at each racetrack is responsible for pushing the "close pools" button when the gates open. This electronic signal instantly shuts down wagering at the racetrack and transmits a stop-betting signal to all other wagering locations. It only takes a fraction of a second for this signal to reach all locations because under the inter-tote protocol, this signal has the highest priority. In terms of the computer world, this signal blasts through all of the other processes. The only exception is when a data link goes down and the signal does not reach one of its targets. In that case, the host system generates an error message to alert the pari-mutuel manager, who then must contact the off-site wagering location to determine the problem. If necessary, the pari-mutuel manager issues a "close and clear" command, which deletes the off-site location from the on-track pools. It is then up to the off-site authorities to either advise their fans that the wagers were not placed or to treat those wagers as a separate pool and pay out accordingly. This is not a common occurrence, but it does happen.

The important thing to remember is that none of this occurs under the radar screen. Authorities know when the stop-betting signal doesn't reach a site. The only question is how they want to handle it.

The tote system takes wagers and provides odds updates every 60 seconds. Since the race usually starts in the middle of a 60-second cycle, the various totes must go through a series of housekeeping routines - collecting bets made prior to off time but still in the pipeline, etc. The off-site totes package the ppropriate pool data for that race and forward it to the on-track tote. The on-track tote processes its own pools and collects the data being received from the other totes. Even after the start, the on-track tote may go through one or two more cycles before all of the data is received. Each cycle only shows what has been received to that point. When this process is complete, the on-track tote can show the final odds, then calculate the payouts for the pools once the race is official.


Hope this sheds some light on what happens and given the timing cycles, how odds' changes can easily happen after the "bell has rung".

And before you start whacking away at how it should be, please remember that I'm just the messenger!!

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Richard Bauer
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