| 1980 Old Crop Daily Bid Prices | ||||
| Wheat | Corn | Milo | Soybeans | |
| 12/31/1980 | 4.25 | 3.65 | 5.42 | 7.29 |
| 12/30/1980 | 4.11 | 3.65 | 5.42 | 7.00 |
| 12/29/1980 | 4.09 | 3.65 | 5.42 | 7.12 |
| 12/24/1980 | 4.03 | 3.65 | 5.42 | 7.23 |
| 12/23/1980 | 4.07 | 3.65 | 5.42 | 7.34 |
| 12/22/1980 | 4.06 | 3.65 | 5.42 | 7.29 |
| 12/19/1980 | 4.08 | 3.65 | 5.42 | 7.20 |
| 12/18/1980 | 4.09 | 3.65 | 5.42 | 7.07 |
| 12/17/1980 | 4.14 | 3.65 | 5.42 | 7.11 |
| 12/16/1980 | 4.16 | 3.65 | 5.42 | 6.98 |
| 12/15/1980 | 4.20 | 3.65 | 5.22 | 6.97 |
| 12/12/1980 | 3.96 | 3.65 | 5.04 | 6.67 |
| 12/11/1980 | 3.61 | 3.65 | 4.86 | 6.33 |
| 12/10/1980 | 3.96 | 3.65 | 5.05 | 6.83 |
| 12/9/1980 | 3.98 | 3.65 | 5.10 | 7.13 |
| 12/8/1980 | 4.20 | 3.65 | 5.22 | 7.53 |
| 12/5/1980 | 4.26 | 3.60 | 5.27 | 7.75 |
| 12/4/1980 | 4.32 | 3.60 | 5.25 | 7.91 |
| 12/3/1980 | 4.31 | 3.63 | 5.31 | 7.86 |
| 12/2/1980 | 4.36 | 3.66 | 5.42 | 8.12 |
| 12/1/1980 | 4.36 | 3.68 | 5.45 | 8.19 |
| 11/28/1980 | 4.42 | 3.72 | 5.51 | 8.59 |
| 11/26/1980 | 4.41 | 3.66 | 5.41 | 8.48 |
| 11/25/1980 | 4.40 | 3.60 | 5.40 | 8.40 |
| 11/24/1980 | 4.40 | 3.55 | 5.29 | 8.33 |
| 11/21/1980 | 4.52 | 3.59 | 5.37 | 8.72 |
| 11/20/1980 | 4.54 | 3.58 | 5.36 | 8.75 |
| 11/19/1980 | 4.49 | 3.56 | 5.37 | 8.59 |
| 11/18/1980 | 4.50 | 3.55 | 5.41 | 8.59 |
| 11/17/1980 | 4.47 | 3.52 | 5.40 | 8.40 |
| 11/14/1980 | 4.49 | 3.52 | 5.47 | 8.42 |
| 11/13/1980 | 4.44 | 3.57 | 5.38 | 8.22 |
| 11/12/1980 | 4.49 | 3.58 | 5.41 | 8.23 |
| 11/11/1980 | 4.43 | 3.52 | 5.32 | 8.01 |
| 11/10/1980 | 4.46 | 3.55 | 5.34 | 8.22 |
| 11/7/1980 | 4.49 | 3.56 | 5.36 | 8.25 |
| 11/6/1980 | 4.46 | 3.56 | 5.35 | 8.24 |
| 11/5/1980 | 4.54 | 3.63 | 5.54 | 8.64 |
| 11/3/1980 | 4.53 | 3.52 | 5.51 | 8.50 |
| 10/31/1980 | 4.49 | 3.48 | 5.49 | 8.32 |
| 10/30/1980 | 4.49 | 3.50 | 5.52 | 8.27 |
| 10/29/1980 | 4.50 | 3.51 | 5.48 | 8.40 |
| 10/28/1980 | 4.54 | 3.53 | 5.54 | 8.50 |
| 10/27/1980 | 4.44 | 3.46 | 5.41 | 8.20 |
| 10/24/1980 | 4.51 | 3.49 | 5.48 | 8.41 |
| 10/23/1980 | 4.46 | 3.43 | 5.40 | 8.27 |
| 10/22/1980 | 4.48 | 3.43 | 5.42 | 8.32 |
| 10/21/1980 | 4.41 | 3.37 | 5.29 | 8.13 |
| 10/20/1980 | 4.33 | 3.35 | 5.23 | 7.97 |
| 10/17/1980 | 4.33 | 3.35 | 5.25 | 8.00 |
| 10/16/1980 | 4.30 | 3.32 | 5.21 | 7.89 |
| 10/15/1980 | 4.30 | 3.35 | 5.28 | 8.01 |
| 10/14/1980 | 4.31 | 3.35 | 5.32 | 8.02 |
| 10/13/1980 | 4.37 | 3.30 | 5.38 | 7.98 |
| 10/10/1980 | 4.25 | 3.20 | 5.21 | 7.68 |
| 10/9/1980 | 4.20 | 3.20 | 5.19 | 7.65 |
| 10/8/1980 | 4.18 | 3.20 | 5.18 | 7.65 |
| 10/7/1980 | 4.18 | 3.20 | 5.16 | 7.59 |
| 10/6/1980 | 4.20 | 3.20 | 5.18 | 7.67 |
| 10/3/1980 | 4.13 | 3.20 | 5.09 | 7.45 |
| 10/2/1980 | 4.10 | 3.20 | 5.10 | 7.32 |
| 10/1/1980 | 4.18 | 3.20 | 5.12 | 7.45 |
| 9/30/1980 | 4.18 | 3.20 | 5.12 | 7.45 |
| 9/29/1980 | 4.13 | 3.20 | 5.10 | 7.32 |
| 9/26/1980 | 4.10 | 3.20 | 5.10 | 7.40 |
| 9/25/1980 | 4.18 | 3.20 | 5.10 | 7.70 |
| 9/24/1980 | 4.21 | 3.20 | 5.10 | 7.87 |
| 9/23/1980 | 4.17 | 3.25 | 5.17 | 7.99 |
| 9/22/1980 | 4.14 | 3.20 | 5.15 | 8.02 |
| 9/19/1980 | 4.17 | 3.20 | 5.17 | 8.09 |
| 9/18/1980 | 4.09 | 3.20 | 5.13 | 7.93 |
| 9/17/1980 | 4.08 | 3.20 | 5.13 | 7.89 |
| 9/16/1980 | 4.07 | 3.20 | 5.13 | 7.86 |
| 9/15/1980 | 4.04 | 3.20 | 5.13 | 7.66 |
| 9/12/1980 | 4.00 | 3.20 | 5.13 | 7.67 |
| 9/11/1980 | 4.06 | 3.20 | 5.13 | 7.86 |
| 9/10/1980 | 4.05 | 3.20 | 5.13 | 7.82 |
| 9/9/1980 | 4.06 | 3.20 | 5.18 | 7.87 |
| 9/8/1980 | 4.10 | 3.20 | 5.18 | 7.87 |
| 9/5/1980 | 4.07 | 3.20 | 5.13 | 7.69 |
| 9/4/1980 | 4.02 | 3.20 | 5.13 | 7.62 |
| 9/3/1980 | 4.05 | 3.20 | 5.13 | 7.70 |
| 9/2/1980 | 4.04 | 3.20 | 5.13 | 7.68 |
| 8/29/1980 | 3.92 | 3.20 | 5.13 | 7.52 |
| 8/28/1980 | 3.87 | 3.20 | 5.13 | 7.27 |
| 8/27/1980 | 3.89 | 3.20 | 5.13 | 7.24 |
| 8/26/1980 | 3.87 | 3.20 | 5.13 | 7.27 |
| 8/25/1980 | 3.85 | 3.20 | 5.13 | 7.25 |
| 8/22/1980 | 3.85 | 3.15 | 5.13 | 7.09 |
| 8/21/1980 | 3.88 | 3.20 | 5.13 | 7.16 |
| 8/20/1980 | 3.91 | 3.20 | 5.13 | 7.00 |
| 8/19/1980 | 3.91 | 3.20 | 5.13 | 7.05 |
| 8/18/1980 | 3.90 | 3.20 | 5.13 | 7.04 |
| 8/15/1980 | 3.89 | 3.20 | 5.13 | 6.86 |
| 8/14/1980 | 3.92 | 3.20 | 5.13 | 7.01 |
| 8/13/1980 | 3.95 | 3.20 | 5.23 | 7.18 |
| 8/12/1980 | 3.98 | 3.20 | 5.28 | 7.20 |
| 8/11/1980 | 3.90 | 3.20 | 5.10 | 6.95 |
| 8/8/1980 | 3.91 | 3.20 | 5.15 | 7.07 |
| 8/7/1980 | 3.94 | 3.20 | 5.15 | 7.04 |
| 8/6/1980 | 3.97 | 3.20 | 5.10 | 7.16 |
| 8/5/1980 | 3.98 | 3.20 | 5.10 | 7.20 |
| 8/4/1980 | 3.91 | 3.20 | 5.10 | 6.98 |
| 8/1/1980 | 3.98 | 3.20 | 5.11 | 7.38 |
| 7/31/1980 | 4.00 | 3.20 | 5.04 | 7.17 |
| 7/30/1980 | 3.90 | 3.20 | 4.89 | 6.87 |
| 7/29/1980 | 3.91 | 3.20 | 4.99 | 6.97 |
| 7/28/1980 | 3.88 | 3.20 | 4.93 | 6.85 |
| 7/25/1980 | 3.83 | 3.20 | 4.92 | 6.55 |
| 7/24/1980 | 3.85 | 3.20 | 5.04 | 6.71 |
| 7/23/1980 | 3.88 | 3.20 | 5.07 | 6.98 |
| 7/22/1980 | 3.78 | 3.10 | 4.88 | 6.77 |
| 7/21/1980 | 3.74 | 3.10 | 4.91 | 6.67 |
| 7/18/1980 | 3.78 | 3.15 | 5.08 | 7.27 |
| 7/17/1980 | 3.82 | 3.15 | 5.14 | 7.45 |
| 7/16/1980 | 3.80 | 3.10 | 5.11 | 7.30 |
| 7/15/1980 | 3.77 | 3.10 | 5.03 | 7.12 |
| 7/14/1980 | 3.91 | 3.10 | 5.04 | 7.07 |
| 7/11/1980 | 3.74 | 2.90 | 4.85 | 6.77 |
| 7/10/1980 | 3.74 | 2.90 | 4.76 | 6.51 |
| 7/9/1980 | 3.70 | 2.80 | 4.67 | 6.36 |
| 7/8/1980 | 3.80 | 2.80 | 4.74 | 6.58 |
| 7/7/1980 | 3.81 | 2.75 | 4.68 | 6.48 |
| 7/3/1980 | 3.86 | 2.75 | 4.72 | 6.39 |
| 7/2/1980 | 3.86 | 2.70 | 4.59 | 6.30 |
| 7/1/1980 | 3.75 | 2.65 | 4.49 | 6.60 |
| 6/30/1980 | 3.70 | 2.60 | 4.40 | 5.97 |
| 6/27/1980 | 3.76 | 2.60 | 4.35 | 5.82 |
| 6/26/1980 | 3.80 | 2.60 | 4.35 | 5.77 |
| 6/25/1980 | 3.85 | 2.60 | 4.34 | 5.81 |
| 6/24/1980 | 3.72 | 2.60 | 4.18 | 5.68 |
| 6/23/1980 | 3.75 | 2.60 | 4.16 | 5.66 |
| 6/20/1980 | 3.64 | 2.45 | 4.13 | 5.60 |
| 6/19/1980 | 3.61 | 2.45 | 4.11 | 5.55 |
| 6/18/1980 | 3.60 | 2.45 | 4.12 | 5.59 |
| 6/17/1980 | 3.59 | 2.45 | 4.08 | 5.51 |
| 6/16/1980 | 3.58 | 2.45 | 4.08 | 5.54 |
| 6/13/1980 | 3.54 | 2.45 | 3.96 | 5.45 |
| 6/12/1980 | 3.57 | 2.45 | 3.96 | 5.43 |
| 6/11/1980 | 3.56 | 2.40 | 3.91 | 5.45 |
| 6/10/1980 | 3.54 | 2.40 | 3.88 | 5.41 |
| 6/9/1980 | 3.53 | 2.40 | 3.83 | 5.41 |
| 6/6/1980 | 3.50 | 2.40 | 3.79 | 5.30 |
| 6/5/1980 | 3.53 | 2.40 | 3.79 | 5.31 |
| 6/4/1980 | 3.59 | 2.40 | 3.82 | 5.33 |
| 6/3/1980 | 3.58 | 2.34 | 3.77 | 5.33 |
| 6/2/1980 | 3.54 | 2.32 | 3.74 | 5.30 |
| 5/30/1980 | 3.56 | 2.35 | 3.78 | 5.39 |
| 5/29/1980 | 3.57 | 2.33 | 3.78 | 5.39 |
| 5/28/1980 | 3.63 | 2.37 | 3.86 | 5.46 |
| 5/27/1980 | 3.66 | 2.34 | 3.83 | 5.49 |
| 5/23/1980 | 3.64 | 2.33 | 3.83 | 5.47 |
| 5/22/1980 | 3.65 | 2.32 | 3.82 | 5.45 |
| 5/21/1980 | 3.62 | 2.32 | 3.77 | 5.39 |
| 5/20/1980 | 3.65 | 2.33 | 3.77 | 5.38 |
| 5/19/1980 | 3.66 | 2.32 | 3.76 | 5.35 |
| 5/16/1980 | 3.58 | 2.32 | 3.77 | 5.32 |
| 5/15/1980 | 3.67 | 2.35 | 3.85 | 5.39 |
| 5/14/1980 | 3.63 | 2.31 | 3.81 | 5.35 |
| 5/13/1980 | 3.62 | 2.30 | 3.77 | 5.36 |
| 5/12/1980 | 3.57 | 2.28 | 3.69 | 5.31 |
| 5/9/1980 | 3.66 | 2.31 | 3.81 | 5.45 |
| 5/8/1980 | 3.72 | 2.33 | 3.84 | 5.45 |
| 5/7/1980 | 3.71 | 2.30 | 3.78 | 5.38 |
| 5/6/1980 | 3.64 | 2.31 | 3.86 | 5.36 |
| 5/5/1980 | 3.70 | 2.31 | 3.85 | 5.41 |
| 5/2/1980 | 3.52 | 2.26 | 3.73 | 5.24 |
| 5/1/1980 | 3.47 | 2.26 | 3.70 | 5.19 |
| 4/30/1980 | 3.45 | 2.24 | 3.68 | 5.23 |
| 4/29/1980 | 3.40 | 2.23 | 3.64 | 5.19 |
| 4/28/1980 | 3.43 | 2.23 | 3.66 | 5.26 |
| 4/25/1980 | 3.51 | 2.26 | 3.70 | 5.35 |
| 4/24/1980 | 3.46 | 2.21 | 3.66 | 5.26 |
| 4/23/1980 | 3.44 | 2.18 | 3.66 | 5.18 |
| 4/22/1980 | 3.51 | 2.18 | 3.67 | 5.22 |
| 4/21/1980 | 3.42 | 2.19 | 3.68 | 5.22 |
| 4/18/1980 | 3.34 | 2.14 | 3.62 | 5.16 |
| 4/17/1980 | 3.40 | 2.15 | 3.65 | 5.20 |
| 4/16/1980 | 3.45 | 2.17 | 3.68 | 5.27 |
| 4/15/1980 | 3.37 | 2.16 | 3.65 | 5.19 |
| 4/14/1980 | 3.38 | 2.14 | 3.63 | 5.14 |
| 4/11/1980 | 3.50 | 2.18 | 3.76 | 5.18 |
| 4/10/1980 | 3.57 | 2.18 | 3.76 | 5.13 |
| 4/9/1980 | 3.66 | 2.24 | 3.82 | 5.18 |
| 4/8/1980 | 3.54 | 2.20 | 3.74 | 5.03 |
| 4/7/1980 | 3.46 | 2.16 | 3.65 | 4.99 |
| 4/3/1980 | 3.49 | 2.18 | 3.67 | 4.99 |
| 4/2/1980 | 3.38 | 2.13 | 3.55 | 4.97 |
| 4/1/1980 | 3.29 | 2.10 | 3.47 | 4.93 |
| 3/31/1980 | 3.28 | 2.11 | 3.44 | 4.97 |
| 3/28/1980 | 3.38 | 2.08 | 3.42 | 5.09 |
| 3/27/1980 | 3.42 | 2.06 | 3.39 | 5.10 |
| 3/26/1980 | 3.52 | 2.10 | 3.48 | 5.21 |
| 3/25/1980 | 3.59 | 2.12 | 3.55 | 5.27 |
| 3/24/1980 | 3.56 | 2.09 | 3.58 | 5.31 |
| 3/21/1980 | 3.56 | 2.12 | 3.66 | 5.38 |
| 3/20/1980 | 3.58 | 2.14 | 3.72 | 5.44 |
| 3/19/1980 | 3.63 | 2.19 | 3.82 | 5.50 |
| 3/18/1980 | 3.58 | 2.16 | 3.84 | 5.47 |
| 3/17/1980 | 3.58 | 2.18 | 3.87 | 5.47 |
| 3/14/1980 | 3.64 | 2.18 | 3.89 | 5.52 |
| 3/13/1980 | 3.65 | 2.16 | 3.85 | 5.46 |
| 3/12/1980 | 3.67 | 2.21 | 3.91 | 5.59 |
| 3/11/1980 | 3.69 | 2.17 | 3.83 | 5.52 |
| 3/10/1980 | 3.69 | 2.18 | 3.84 | 5.50 |
| 3/7/1980 | 3.76 | 2.22 | 3.91 | 5.55 |
| 3/6/1980 | 3.78 | 2.24 | 3.96 | 5.61 |
| 3/5/1980 | 3.85 | 2.26 | 3.99 | 5.70 |
| 3/4/1980 | 3.83 | 2.26 | 4.00 | 5.69 |
| 3/3/1980 | 3.76 | 2.23 | 3.97 | 5.64 |
| 2/29/1980 | 3.79 | 2.25 | 3.99 | 5.59 |
| 2/28/1980 | 3.80 | 2.28 | 4.00 | 5.63 |
| 2/27/1980 | 3.80 | 2.28 | 3.98 | 5.68 |
| 2/26/1980 | 3.84 | 2.26 | 3.94 | 5.57 |
| 2/25/1980 | 3.87 | 2.28 | 3.92 | 5.62 |
| 2/22/1980 | 3.85 | 2.28 | 3.90 | 5.62 |
| 2/21/1980 | 3.86 | 2.27 | 3.91 | 5.66 |
| 2/20/1980 | 3.83 | 2.28 | 3.92 | 5.64 |
| 2/19/1980 | 3.82 | 2.27 | 3.86 | 5.54 |
| 2/15/1980 | 3.86 | 2.30 | 3.90 | 5.70 |
| 2/14/1980 | 3.85 | 2.31 | 3.88 | 5.75 |
| 2/13/1980 | 3.87 | 2.34 | 3.92 | 5.84 |
| 2/12/1980 | 3.92 | 2.32 | 3.89 | 5.83 |
| 2/11/1980 | 3.95 | 2.34 | 3.92 | 5.86 |
| 2/8/1980 | 3.92 | 2.29 | 3.90 | 5.86 |
| 2/7/1980 | 3.95 | 2.29 | 3.90 | 5.90 |
| 2/6/1980 | 3.92 | 2.29 | 3.91 | 5.84 |
| 2/4/1980 | 3.96 | 2.26 | 3.94 | 5.86 |
| 2/3/1980 | 4.01 | 2.27 | 3.95 | 5.92 |
| 2/1/1980 | 3.97 | 2.24 | 3.90 | 5.79 |
| 1/31/1980 | 3.94 | 2.22 | 3.78 | 5.82 |
| 1/30/1980 | 3.94 | 2.23 | 3.78 | 5.75 |
| 1/29/1980 | 3.91 | 2.16 | 3.64 | 5.70 |
| 1/28/1980 | 3.95 | 2.15 | 3.60 | 5.68 |
| 1/25/1980 | 3.92 | 2.14 | 3.56 | 5.64 |
| 1/24/1980 | 3.95 | 2.15 | 3.59 | 5.64 |
| 1/23/1980 | 3.98 | 2.13 | 3.66 | 5.73 |
| 1/22/1980 | 3.96 | 2.09 | 3.58 | 5.59 |
| 1/21/1980 | 3.91 | 2.09 | 3.63 | 5.63 |
| 1/18/1980 | 3.93 | 2.11 | 3.61 | 5.75 |
| 1/17/1980 | 3.92 | 2.15 | 3.67 | 5.81 |
| 1/16/1980 | 3.83 | 2.07 | 3.54 | 5.59 |
| 1/15/1980 | 3.81 | 2.09 | 3.54 | 5.59 |
| 1/14/1980 | 3.75 | 2.03 | 3.52 | 5.54 |
| 1/11/1980 | 3.70 | 2.06 | 3.53 | 5.53 |
| 1/10/1980 | 3.55 | 1.93 | 3.11 | 5.46 |
| 1/4/1980 | 3.94 | 2.24 | 3.71 | 5.62 |
| 1/3/1980 | 3.94 | 2.24 | 3.72 | 5.66 |