| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 20 Aug 1981 | USD | 30.376 | 30.627 | 30.251 | 30.376 | 2.5313 | +0.251 (+0.83%) | 7,000 |
| 19 Aug 1981 | USD | 30.125 | 30.875 | 30.125 | 30.125 | 2.5104 | -0.376 (-1.23%) | 8,400 |
| 18 Aug 1981 | USD | 30.501 | 30.875 | 30 | 30.501 | 2.5418 | 0.0 (0.0%) | 27,100 |
| 17 Aug 1981 | USD | 30.501 | 32 | 30.501 | 30.501 | 2.5418 | -1.499 (-4.68%) | 19,500 |
| 14 Aug 1981 | USD | 32 | 32 | 31 | 32 | 2.6667 | +1.875 (+6.22%) | 34,000 |
| 13 Aug 1981 | USD | 30.125 | 30.627 | 30 | 30.125 | 2.5104 | +0.498 (+1.68%) | 24,600 |
| 12 Aug 1981 | USD | 29.627 | 29.752 | 29 | 29.627 | 2.4689 | +0.627 (+2.16%) | 10,800 |
| 11 Aug 1981 | USD | 29 | 29 | 27.376 | 29 | 2.4167 | +1.875 (+6.91%) | 14,901 |
| 10 Aug 1981 | USD | 27.125 | 27.501 | 26.752 | 27.125 | 2.2604 | -0.126 (-0.46%) | 4,200 |
| 7 Aug 1981 | USD | 27.251 | 27.875 | 27.251 | 27.251 | 2.2709 | -0.376 (-1.36%) | 4,000 |
| 6 Aug 1981 | USD | 27.627 | 28.251 | 27.627 | 27.627 | 2.3023 | -0.373 (-1.33%) | 5,001 |
| 5 Aug 1981 | USD | 28 | 28.501 | 27.875 | 28 | 2.3333 | +0.248 (+0.89%) | 6,000 |
| 4 Aug 1981 | USD | 27.752 | 28.125 | 27.376 | 27.752 | 2.3127 | +0.752 (+2.79%) | 9,700 |
| 3 Aug 1981 | USD | 27 | 27 | 26.251 | 27 | 2.25 | +1 (+3.85%) | 7,200 |
| 31 Jul 1981 | USD | 26 | 26 | 25.627 | 26 | 2.1667 | +0.624 (+2.46%) | 4,200 |
| 30 Jul 1981 | USD | 25.376 | 25.376 | 25 | 25.376 | 2.1147 | +0.501 (+2.01%) | 5,400 |
| 29 Jul 1981 | USD | 24.875 | 25 | 24.875 | 24.875 | 2.0729 | +0.123 (+0.50%) | 1,600 |
| 28 Jul 1981 | USD | 24.752 | 25.251 | 24.752 | 24.752 | 2.0627 | -0.123 (-0.49%) | 4,000 |
| 27 Jul 1981 | USD | 24.875 | 24.875 | 24.501 | 24.875 | 2.0729 | +0.248 (+1.01%) | 3,000 |
| 24 Jul 1981 | USD | 24.627 | 25 | 24.627 | 24.627 | 2.0523 | -0.248 (-1.00%) | 2,800 |
| 23 Jul 1981 | USD | 24.875 | 24.875 | 24.501 | 24.875 | 2.0729 | +0.248 (+1.01%) | 1,900 |
| 22 Jul 1981 | USD | 24.627 | 25.125 | 24.627 | 24.627 | 2.0523 | -0.373 (-1.49%) | 5,700 |
| 21 Jul 1981 | USD | 25 | 25.251 | 25 | 25 | 2.0833 | -0.251 (-0.99%) | 5,400 |
| 20 Jul 1981 | USD | 25.251 | 25.752 | 25.251 | 25.251 | 2.1043 | -0.874 (-3.35%) | 4,200 |
| 17 Jul 1981 | USD | 26.125 | 26.251 | 25.875 | 26.125 | 2.1771 | +0.125 (+0.48%) | 2,100 |
| 16 Jul 1981 | USD | 26 | 26.251 | 26 | 26 | 2.1667 | 0.0 (0.0%) | 2,500 |
| 15 Jul 1981 | USD | 26 | 26.251 | 26 | 26 | 2.1667 | +0.125 (+0.48%) | 2,301 |
| 14 Jul 1981 | USD | 25.875 | 26.251 | 25.875 | 25.875 | 2.1563 | -0.376 (-1.43%) | 2,800 |
| 13 Jul 1981 | USD | 26.251 | 26.376 | 26.125 | 26.251 | 2.1876 | 0.0 (0.0%) | 1,900 |
| 10 Jul 1981 | USD | 26.251 | 26.376 | 26.125 | 26.251 | 2.1876 | 0.0 (0.0%) | 6,501 |
