| PREDICTIONS | CURRENT VALUE | TODAY |
| Jim Risch (Republican) | $96.09/ $100.00 | (closed) |
| David J. Archuleta (Democrat) | $1.02/ $0.00 | (closed) |
| Larry LaRocco (Democrat) | $1.71/ $0.00 | (closed) |
| Pro-Life (Independent) | $0.55/ $0.00 | (closed) |
| Rex Rammell (Independent) | $0.55/ $0.00 | (closed) |
| Kent A. Marmon (Libertarian) | $0.55/ $0.00 | (closed) |
| Fred M. Adams (Republican) | $1.02/ $0.00 | (closed) |
| Brian E. Hefner (Republican) | $1.02/ $0.00 | (closed) |
| Bill Hunter (Republican) | $1.02/ $0.00 | (closed) |
| Richard Phenneger (Republican) | $1.02/ $0.00 | (closed) |
| Hal James Styles Jr. (Republican) | $1.02/ $0.00 | (closed) |
| Scott A. Syme (Republican) | $1.34/ $0.00 | (closed) |
| Neal Thompson (Republican) | $1.02/ $0.00 | (closed) |
| Other | $0.54/ $0.00 | (closed) |
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Shares for the winner of the Nov. 4, 2008, U.S. Senate race in Idaho will cash out at $100; all others will cash out at $0. Trading will be suspended on the day of the primary, May 27, 2008. Those who don’t survive the primary will cash out at $0 once the primary results are known.