| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 27 Aug 1981 | USD | 24.875 | 24.875 | 23.875 | 24.875 | 49.75 | +1.25 (+5.29%) | 10,500 |
| 26 Aug 1981 | USD | 23.625 | 24.125 | 23.625 | 23.625 | 47.25 | -0.25 (-1.05%) | 9,000 |
| 25 Aug 1981 | USD | 23.875 | 24.125 | 23 | 23.875 | 47.75 | -0.75 (-3.05%) | 33,200 |
| 24 Aug 1981 | USD | 24.625 | 26 | 24.625 | 24.625 | 49.25 | -1.375 (-5.29%) | 12,500 |
| 21 Aug 1981 | USD | 26 | 26.5 | 26 | 26 | 52 | -0.25 (-0.95%) | 4,500 |
| 20 Aug 1981 | USD | 26.25 | 26.75 | 26.125 | 26.25 | 52.5 | -0.75 (-2.78%) | 22,200 |
| 19 Aug 1981 | USD | 27 | 27.625 | 26.75 | 27 | 54 | -0.5 (-1.82%) | 10,500 |
| 18 Aug 1981 | USD | 27.5 | 28 | 27 | 27.5 | 55 | +0.25 (+0.92%) | 7,900 |
| 17 Aug 1981 | USD | 27.25 | 27.75 | 27.125 | 27.25 | 54.5 | -0.625 (-2.24%) | 11,000 |
| 14 Aug 1981 | USD | 27.875 | 28.75 | 27.875 | 27.875 | 55.75 | -0.625 (-2.19%) | 4,400 |
| 13 Aug 1981 | USD | 28.5 | 28.625 | 28 | 28.5 | 57 | +0.125 (+0.44%) | 7,000 |
| 12 Aug 1981 | USD | 28.375 | 28.875 | 28.375 | 28.375 | 56.75 | -0.125 (-0.44%) | 5,900 |
| 11 Aug 1981 | USD | 28.5 | 29 | 27.75 | 28.5 | 57 | -0.5 (-1.72%) | 13,700 |
| 10 Aug 1981 | USD | 29 | 29 | 28.5 | 29 | 58 | +0.5 (+1.75%) | 6,500 |
| 7 Aug 1981 | USD | 28.5 | 28.875 | 28.5 | 28.5 | 57 | -0.375 (-1.30%) | 800 |
| 6 Aug 1981 | USD | 28.875 | 29.125 | 28.625 | 28.875 | 57.75 | +0.125 (+0.43%) | 2,900 |
| 5 Aug 1981 | USD | 28.75 | 29.125 | 28.75 | 28.75 | 57.5 | -0.375 (-1.29%) | 10,700 |
| 4 Aug 1981 | USD | 29.125 | 30.375 | 29 | 29.125 | 58.25 | -0.875 (-2.92%) | 10,800 |
| 3 Aug 1981 | USD | 30 | 31 | 29 | 30 | 60 | -1 (-3.23%) | 17,500 |
| 31 Jul 1981 | USD | 31 | 31 | 29.75 | 31 | 62 | +1.375 (+4.64%) | 61,700 |
| 30 Jul 1981 | USD | 29.625 | 29.875 | 28.75 | 29.625 | 59.25 | +1.125 (+3.95%) | 14,500 |
| 29 Jul 1981 | USD | 28.5 | 28.5 | 27.875 | 28.5 | 57 | +0.75 (+2.70%) | 6,900 |
| 28 Jul 1981 | USD | 27.75 | 27.75 | 26.375 | 27.75 | 55.5 | +1.5 (+5.71%) | 7,000 |
| 27 Jul 1981 | USD | 26.25 | 26.75 | 26 | 26.25 | 52.5 | 0.0 (0.0%) | 7,800 |
| 24 Jul 1981 | USD | 26.25 | 26.5 | 26 | 26.25 | 52.5 | +0.25 (+0.96%) | 1,100 |
| 23 Jul 1981 | USD | 26 | 26 | 25.625 | 26 | 52 | 0.0 (0.0%) | 1,100 |
| 22 Jul 1981 | USD | 26 | 26.625 | 25.625 | 26 | 52 | -0.625 (-2.35%) | 8,900 |
| 21 Jul 1981 | USD | 26.625 | 26.75 | 26.25 | 26.625 | 53.25 | -0.375 (-1.39%) | 7,600 |
| 20 Jul 1981 | USD | 27 | 27.75 | 27 | 27 | 54 | -1 (-3.57%) | 5,800 |
| 17 Jul 1981 | USD | 28 | 28.375 | 28 | 28 | 56 | -0.125 (-0.44%) | 5,800 |
