| 1981 Old Crop Daily Bid Prices | ||||
| Wheat | Corn | Milo | Soybeans | |
| 12/31/1981 | 3.87 | 2.35 | 3.64 | 5.58 |
| 12/30/1981 | 3.83 | 2.35 | 3.65 | 5.62 |
| 12/29/1981 | 3.84 | 2.35 | 3.65 | 5.63 |
| 12/28/1981 | 3.86 | 2.30 | 3.72 | 5.65 |
| 12/24/1981 | 3.78 | 2.30 | 3.68 | 5.60 |
| 12/23/1981 | 3.71 | 2.30 | 3.65 | 5.54 |
| 12/22/1981 | 3.75 | 2.30 | 3.63 | 5.48 |
| 12/21/1981 | 3.76 | 2.30 | 3.60 | 5.45 |
| 12/18/1981 | 3.85 | 2.30 | 3.65 | 5.56 |
| 12/17/1981 | 3.93 | 2.30 | 3.72 | 5.59 |
| 12/16/1981 | 3.89 | 2.30 | 3.65 | 5.52 |
| 12/15/1981 | 3.89 | 2.30 | 3.63 | 5.56 |
| 12/14/1981 | 3.94 | 2.40 | 3.65 | 5.59 |
| 12/11/1981 | 4.00 | 2.43 | 3.67 | 5.66 |
| 12/10/1981 | 3.98 | 2.43 | 3.59 | 5.57 |
| 12/9/1981 | 4.00 | 2.43 | 3.65 | 5.64 |
| 12/8/1981 | 3.96 | 2.43 | 3.57 | 5.59 |
| 12/7/1981 | 4.04 | 2.43 | 3.65 | 5.78 |
| 12/4/1981 | 4.16 | 2.43 | 3.75 | 5.94 |
| 12/3/1981 | 4.17 | 2.43 | 3.77 | 5.84 |
| 12/2/1981 | 4.16 | 2.43 | 3.87 | 5.82 |
| 12/1/1981 | 4.12 | 2.43 | 3.77 | 5.88 |
| 11/30/1981 | 4.10 | 2.43 | 3.77 | 5.80 |
| 11/29/1981 | 4.05 | 2.43 | 3.73 | 5.72 |
| 11/25/1981 | 4.02 | 2.43 | 3.73 | 5.68 |
| 11/24/1981 | 4.03 | 2.43 | 3.68 | 5.61 |
| 11/23/1981 | 4.03 | 2.43 | 3.68 | 5.69 |
| 11/20/1981 | 4.06 | 2.43 | 3.72 | 5.79 |
| 11/19/1981 | 4.05 | 2.43 | 3.71 | 5.77 |
| 11/18/1981 | 4.06 | 2.43 | 3.64 | 5.68 |
| 11/17/1981 | 4.05 | 2.43 | 3.65 | 5.68 |
| 11/16/1981 | 4.04 | 2.43 | 3.70 | 5.69 |
| 11/13/1981 | 4.03 | 2.43 | 3.70 | 5.71 |
| 11/12/1981 | 4.04 | 2.40 | 3.70 | 5.75 |
| 11/11/1981 | 3.98 | 2.40 | 3.70 | 5.70 |
| 11/10/1981 | 3.98 | 2.40 | 3.70 | 5.78 |
| 11/9/1981 | 4.00 | 2.40 | 3.70 | 5.95 |
| 11/6/1981 | 3.96 | 2.40 | 3.70 | 5.77 |
| 11/5/1981 | 3.94 | 2.40 | 3.70 | 5.80 |
| 11/4/1981 | 3.93 | 2.40 | 3.70 | 5.78 |
| 11/3/1981 | 3.93 | 2.40 | 3.70 | 5.79 |
| 11/2/1981 | 3.93 | 2.40 | 3.70 | 5.80 |
| 10/30/1981 | 3.89 | 2.32 | 3.70 | 5.70 |
| 10/29/1981 | 3.88 | 2.33 | 3.75 | 5.60 |
| 10/28/1981 | 3.88 | 2.31 | 3.72 | 5.56 |
| 10/27/1981 | 3.89 | 2.29 | 3.69 | 5.55 |
| 10/26/1981 | 3.87 | 2.29 | 3.67 | 5.56 |
| 10/23/1981 | 3.88 | 2.31 | 3.71 | 5.63 |
| 10/22/1981 | 3.83 | 2.32 | 3.71 | 5.62 |
| 10/21/1981 | 3.84 | 2.33 | 3.72 | 5.66 |
| 10/20/1981 | 3.80 | 2.33 | 3.70 | 5.63 |
| 10/19/1981 | 3.82 | 2.34 | 3.73 | 5.69 |
| 10/16/1981 | 3.81 | 2.36 | 3.72 | 5.69 |
| 10/15/1981 | 3.82 | 2.36 | 3.78 | 5.77 |
| 10/14/1981 | 3.84 | 2.40 | 3.84 | 5.85 |
| 10/13/1981 | 3.85 | 2.41 | 3.86 | 5.82 |
| 10/12/1981 | 3.81 | 2.37 | 3.85 | 5.77 |
| 10/9/1981 | 3.80 | 2.26 | 3.68 | 5.67 |
| 10/8/1981 | 3.78 | 2.40 | 3.74 | 5.80 |
| 10/7/1981 | 3.79 | 2.40 | 3.79 | 5.85 |
| 10/6/1981 | 3.80 | 2.40 | 3.84 | 5.86 |
| 10/5/1981 | 3.80 | 2.37 | 3.78 | 5.82 |
| 10/2/1981 | 3.79 | 2.30 | 3.67 | 5.62 |
| 10/1/1981 | 3.78 | 2.34 | 3.61 | 5.58 |
| 9/30/1981 | 3.79 | 2.36 | 3.64 | 5.61 |
| 9/29/1981 | 3.80 | 2.36 | 3.65 | 5.64 |
| 9/28/1981 | 3.78 | 2.33 | 3.60 | 5.61 |
| 9/25/1981 | 3.76 | 2.35 | 3.62 | 5.69 |
| 9/24/1981 | 3.79 | 2.36 | 3.67 | 5.78 |
| 9/23/1981 | 3.80 | 2.36 | 3.66 | 5.89 |
| 9/22/1981 | 3.82 | 2.38 | 3.69 | 5.93 |
| 9/21/1981 | 3.79 | 2.37 | 3.65 | 5.94 |
| 9/18/1981 | 3.77 | 2.42 | 3.75 | 5.97 |
| 9/17/1981 | 3.75 | 2.45 | 3.77 | 6.05 |
| 9/16/1981 | 3.78 | 2.46 | 3.77 | 6.06 |
| 9/15/1981 | 3.80 | 2.49 | 3.75 | 6.12 |
| 9/14/1981 | 3.81 | 2.47 | 3.68 | 6.05 |
| 9/11/1981 | 3.76 | 2.43 | 3.61 | 5.86 |
| 9/10/1981 | 3.77 | 2.47 | 3.69 | 5.99 |
| 9/9/1981 | 3.75 | 2.46 | 4.00 | 6.06 |
| 9/8/1981 | 3.71 | 2.47 | 4.22 | 5.82 |
| 9/4/1981 | 3.70 | 2.49 | 4.15 | 6.07 |
| 9/3/1981 | 3.76 | 2.59 | 4.28 | 6.25 |
| 9/2/1981 | 3.68 | 2.56 | 4.25 | 6.19 |
| 9/1/1981 | 3.66 | 2.52 | 4.25 | 6.24 |
| 8/31/1981 | 3.64 | 2.55 | 4.25 | 6.25 |
| 8/28/1981 | 3.66 | 2.49 | 4.20 | 6.30 |
| 8/27/1981 | 3.63 | 2.47 | 4.30 | 6.27 |
| 8/26/1981 | 3.67 | 2.51 | 4.30 | 6.36 |
| 8/25/1981 | 3.61 | 2.49 | 4.30 | 6.32 |
| 8/24/1981 | 3.62 | 2.55 | 4.30 | 6.31 |
| 8/21/1981 | 3.69 | 2.61 | 4.30 | 6.46 |
| 8/20/1981 | 3.72 | 2.68 | 4.30 | 6.55 |
| 8/19/1981 | 3.94 | 2.70 | 4.30 | 6.60 |
| 8/18/1981 | 3.74 | 2.67 | 4.30 | 6.52 |
| 8/17/1981 | 3.78 | 2.71 | 4.30 | 6.56 |
| 8/14/1981 | 3.81 | 2.66 | 3.89 | 6.54 |
| 8/13/1981 | 3.76 | 2.63 | 3.87 | 6.49 |
| 8/12/1981 | 3.73 | 2.75 | 4.07 | 6.52 |
| 8/11/1981 | 3.73 | 2.80 | 4.17 | 6.71 |
| 8/10/1981 | 3.70 | 2.80 | 4.18 | 6.70 |
| 8/7/1981 | 3.77 | 2.88 | 4.15 | 6.77 |
| 8/6/1981 | 3.75 | 2.92 | 4.23 | 6.83 |
| 8/5/1981 | 3.73 | 2.88 | 4.21 | 6.74 |
| 8/4/1981 | 3.75 | 2.93 | 4.38 | 6.74 |
| 8/3/1981 | 3.76 | 2.96 | 4.47 | 6.79 |
| 7/31/1981 | 3.78 | 2.99 | 4.56 | 6.99 |
| 7/30/1981 | 3.77 | 2.96 | 4.53 | 6.89 |
| 7/29/1981 | 3.79 | 2.89 | 4.57 | 6.84 |
| 7/28/1981 | 3.83 | 3.00 | 4.61 | 6.94 |
| 7/27/1981 | 3.81 | 2.98 | 4.58 | 6.83 |
| 7/24/1981 | 3.83 | 3.02 | 4.65 | 6.92 |
| 7/23/1981 | 3.83 | 3.03 | 4.67 | 6.79 |
| 7/22/1981 | 3.79 | 3.05 | 4.67 | 6.81 |
| 7/21/1981 | 3.74 | 3.02 | 4.61 | 6.73 |
| 7/20/1981 | 3.71 | 3.00 | 4.55 | 6.72 |
| 7/17/1981 | 3.77 | 3.15 | 4.79 | 6.92 |
| 7/16/1981 | 3.75 | 3.15 | 4.82 | 6.98 |
| 7/15/1981 | 3.73 | 3.50 | 4.81 | 6.88 |
| 7/14/1981 | 3.72 | 3.15 | 4.91 | 6.94 |
| 7/13/1981 | 3.78 | 3.15 | 5.09 | 7.15 |
| 7/10/1981 | 3.83 | 3.15 | 4.96 | 7.09 |
| 7/9/1981 | 3.83 | 3.15 | 4.95 | 6.91 |
| 7/8/1981 | 3.90 | 3.15 | 5.00 | 6.95 |
| 7/7/1981 | 3.84 | 3.15 | 5.02 | 6.81 |
| 7/6/1981 | 3.84 | 3.23 | 5.06 | 6.78 |
| 7/2/1981 | 3.76 | 3.13 | 4.88 | 6.50 |
| 7/1/1981 | 3.73 | 3.06 | 4.85 | 6.50 |
| 6/30/1981 | 3.65 | 3.00 | 4.75 | 6.35 |
| 6/29/1981 | 3.61 | 2.97 | 4.70 | 6.27 |
| 6/26/1981 | 3.66 | 3.02 | 4.78 | 6.32 |
| 6/25/1981 | 3.67 | 3.10 | 4.85 | 6.40 |
| 6/24/1981 | 3.67 | 3.30 | 4.95 | 6.56 |
| 6/23/1981 | 3.70 | 3.35 | 5.00 | 6.56 |
| 6/22/1981 | 3.73 | 3.35 | 5.00 | 6.57 |
| 6/19/1981 | 3.75 | 3.35 | 5.00 | 6.59 |
| 6/18/1981 | 3.79 | 3.35 | 5.05 | 6.59 |
| 6/17/1981 | 3.82 | 3.35 | 5.05 | 6.64 |
| 6/16/1981 | 3.81 | 3.35 | 5.05 | 6.74 |
| 6/15/1981 | 3.82 | 3.35 | 5.05 | 6.80 |
| 6/12/1981 | 3.80 | 3.35 | 5.05 | 6.80 |
| 6/11/1981 | 3.81 | 3.35 | 5.05 | 6.63 |
| 6/10/1981 | 3.86 | 3.35 | 5.05 | 6.77 |
| 6/9/1981 | 3.80 | 3.35 | 5.00 | 6.68 |
| 6/8/1981 | 3.84 | 3.35 | 5.00 | 6.65 |
| 6/5/1981 | 3.94 | 3.35 | 5.00 | 6.67 |
| 6/4/1981 | 3.77 | 3.40 | 5.05 | 6.69 |
| 6/3/1981 | 3.75 | 3.40 | 5.05 | 6.71 |
| 6/2/1981 | 3.78 | 3.40 | 5.05 | 6.87 |
| 6/1/1981 | 3.85 | 3.40 | 5.05 | 6.92 |
| 5/29/1981 | 4.04 | 3.45 | 5.10 | 7.04 |
| 5/28/1981 | 3.98 | 3.45 | 5.10 | 7.03 |
| 5/27/1981 | 4.03 | 3.45 | 5.10 | 7.01 |
| 5/26/1981 | 3.95 | 3.45 | 5.10 | 6.94 |
| 5/22/1981 | 3.94 | 3.50 | 5.10 | 6.93 |
| 5/21/1981 | 3.96 | 3.50 | 5.10 | 6.95 |
| 5/20/1981 | 4.06 | 3.50 | 5.10 | 7.14 |
| 5/19/1981 | 4.05 | 3.50 | 5.10 | 7.04 |
| 5/18/1981 | 4.07 | 3.50 | 5.10 | 7.02 |
| 5/15/1981 | 3.97 | 3.50 | 5.10 | 6.94 |
| 5/14/1981 | 3.95 | 3.50 | 5.10 | 7.00 |
| 5/13/1981 | 3.87 | 3.50 | 5.10 | 6.89 |
| 5/12/1981 | 3.86 | 3.60 | 5.15 | 6.87 |
| 5/11/1981 | 3.88 | 3.60 | 5.15 | 7.00 |
| 5/8/1981 | 3.88 | 3.60 | 5.15 | 7.14 |
| 5/7/1981 | 3.96 | 3.60 | 5.15 | 7.17 |
| 5/6/1981 | 3.95 | 3.60 | 5.15 | 7.14 |
| 5/5/1981 | 3.91 | 3.60 | 5.15 | 7.00 |
| 5/4/1981 | 3.94 | 3.60 | 5.15 | 7.03 |
| 5/1/1981 | 4.00 | 3.60 | 5.15 | 7.21 |
| 4/30/1981 | 3.97 | 3.60 | 5.15 | 7.22 |
| 4/29/1981 | 3.91 | 3.60 | 5.15 | 7.08 |
| 4/28/1981 | 3.97 | 3.60 | 5.15 | 7.13 |
| 4/27/1981 | 4.05 | 3.60 | 5.15 | 7.27 |
| 4/24/1981 | 4.06 | 3.60 | 5.15 | 7.25 |
| 4/23/1981 | 4.07 | 3.60 | 5.15 | 7.10 |
| 4/22/1981 | 4.12 | 3.60 | 5.15 | 7.14 |
| 4/21/1981 | 4.13 | 3.60 | 5.15 | 7.15 |
| 4/20/1981 | 4.11 | 3.60 | 5.15 | 7.18 |
| 4/16/1981 | 4.09 | 3.60 | 5.15 | 7.06 |
| 4/15/1981 | 4.05 | 3.60 | 5.15 | 6.98 |
| 4/14/1981 | 4.04 | 3.60 | 5.15 | 6.94 |
| 4/13/1981 | 4.01 | 3.60 | 5.15 | 6.95 |
| 4/10/1981 | 4.07 | 3.60 | 5.15 | 7.13 |
| 4/9/1981 | 4.10 | 3.60 | 5.15 | 7.40 |
| 4/8/1981 | 4.10 | 3.60 | 5.15 | 7.38 |
| 4/7/1981 | 4.13 | 3.60 | 5.15 | 7.42 |
| 4/6/1981 | 4.09 | 3.55 | 5.15 | 7.18 |
| 4/3/1981 | 4.04 | 3.55 | 5.15 | 7.14 |
| 4/2/1981 | 4.07 | 3.55 | 5.16 | 7.31 |
| 4/1/1981 | 4.00 | 3.55 | 5.17 | 7.10 |
| 3/31/1981 | 3.99 | 3.55 | 5.17 | 7.19 |
| 3/30/1981 | 3.96 | 3.55 | 5.15 | 7.07 |
| 3/27/1981 | 3.97 | 3.55 | 5.12 | 7.02 |
| 3/26/1981 | 3.96 | 3.55 | 5.17 | 6.97 |
| 3/25/1981 | 4.01 | 3.55 | 5.15 | 7.12 |
| 3/24/1981 | 4.00 | 3.55 | 5.22 | 7.13 |
| 3/23/1981 | 3.98 | 3.55 | 5.15 | 7.15 |
| 3/20/1981 | 3.90 | 3.55 | 5.05 | 6.97 |
| 3/19/1981 | 3.95 | 3.55 | 5.05 | 7.07 |
| 3/18/1981 | 4.00 | 3.55 | 5.04 | 7.07 |
| 3/17/1981 | 4.01 | 3.55 | 5.04 | 7.02 |
| 3/16/1981 | 3.89 | 3.55 | 5.04 | 6.87 |
| 3/13/1981 | 3.95 | 3.55 | 5.04 | 6.88 |
| 3/12/1981 | 3.90 | 3.55 | 5.04 | 6.87 |
| 3/11/1981 | 3.84 | 3.55 | 5.04 | 6.71 |
| 3/10/1981 | 3.85 | 3.55 | 5.04 | 6.72 |
| 3/9/1981 | 3.89 | 3.55 | 5.04 | 6.74 |
| 3/6/1981 | 3.87 | 3.55 | 5.04 | 6.57 |
| 3/5/1981 | 3.84 | 3.55 | 5.04 | 6.52 |
| 3/4/1981 | 3.85 | 3.55 | 5.10 | 6.53 |
| 3/3/1981 | 3.92 | 3.55 | 5.10 | 6.66 |
| 3/2/1981 | 3.92 | 3.55 | 5.10 | 6.46 |
| 2/27/1981 | 4.04 | 3.55 | 5.15 | 6.87 |
| 2/26/1981 | 4.05 | 3.55 | 5.15 | 6.87 |
| 2/25/1981 | 4.07 | 3.55 | 5.15 | 6.88 |
| 2/24/1981 | 4.11 | 3.55 | 5.15 | 6.94 |
| 2/23/1981 | 4.14 | 3.55 | 5.15 | 6.93 |
| 2/20/1981 | 4.14 | 3.55 | 5.15 | 7.02 |
| 2/19/1981 | 4.11 | 3.55 | 5.15 | 6.99 |
| 2/18/1981 | 4.08 | 3.55 | 5.15 | 6.88 |
| 2/17/1981 | 4.06 | 3.55 | 5.15 | 7.01 |
| 2/13/1981 | 3.97 | 3.55 | 5.15 | 6.88 |
| 2/12/1981 | 3.95 | 3.55 | 5.15 | 6.80 |
| 2/11/1981 | 3.98 | 3.55 | 5.15 | 6.91 |
| 2/10/1981 | 3.96 | 3.55 | 5.15 | 6.86 |
| 2/9/1981 | 3.93 | 3.55 | 5.15 | 6.47 |
| 2/6/1981 | 4.09 | 3.65 | 5.22 | 7.07 |
| 2/5/1981 | 4.05 | 3.65 | 5.22 | 6.94 |
| 2/4/1981 | 4.07 | 3.65 | 5.15 | 6.90 |
| 2/3/1981 | 4.10 | 3.65 | 5.22 | 6.97 |
| 2/2/1981 | 4.01 | 3.65 | 5.22 | 6.68 |
| 1/30/1981 | 3.97 | 3.65 | 5.42 | 6.60 |
| 1/29/1981 | 3.94 | 3.65 | 5.42 | 6.50 |
| 1/28/1981 | 4.03 | 3.65 | 5.42 | 6.72 |
| 1/27/1981 | 4.02 | 3.65 | 5.42 | 6.77 |
| 1/26/1981 | 4.07 | 3.65 | 5.42 | 6.67 |
| 1/23/1981 | 4.03 | 3.65 | 5.42 | 6.54 |
| 1/22/1981 | 4.13 | 3.65 | 5.42 | 6.76 |
| 1/21/1981 | 4.21 | 3.65 | 5.42 | 7.04 |
| 1/20/1981 | 4.21 | 3.65 | 5.42 | 7.15 |
| 1/19/1981 | 4.23 | 3.65 | 5.42 | 7.08 |
| 1/16/1981 | 4.26 | 3.65 | 5.42 | 7.17 |
| 1/15/1981 | 4.29 | 3.65 | 5.42 | 6.96 |
| 1/14/1981 | 4.29 | 3.65 | 5.42 | 7.53 |
| 1/13/1981 | 4.24 | 3.65 | 5.42 | 7.53 |
| 1/12/1981 | 4.23 | 3.65 | 5.42 | 7.63 |
| 1/9/1981 | 4.18 | 3.65 | 5.42 | 7.41 |
| 1/8/1981 | 4.21 | 3.65 | 5.42 | 7.38 |
| 1/7/1981 | 4.26 | 3.65 | 5.42 | 7.47 |
| 1/6/1981 | 4.26 | 3.65 | 5.42 | 7.59 |
| 1/5/1981 | 4.26 | 3.65 | 5.42 | 7.49 |
| 1/2/1981 | 4.29 | 3.65 | 5.42 | 7.54 |