| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 20 May 1980 | USD | 27.75 | 28.254 | 27.75 | 27.75 | 2.2177 | -0.378 (-1.34%) | 9,600 |
| 19 May 1980 | USD | 28.128 | 28.626 | 28.128 | 28.128 | 2.2479 | -0.624 (-2.17%) | 11,400 |
| 16 May 1980 | USD | 28.752 | 29.25 | 28.752 | 28.752 | 2.2978 | -0.498 (-1.70%) | 14,400 |
| 15 May 1980 | USD | 29.25 | 29.754 | 29.25 | 29.25 | 2.3376 | -0.126 (-0.43%) | 7,800 |
| 14 May 1980 | USD | 29.376 | 29.88 | 29.376 | 29.376 | 2.3476 | 0.0 (0.0%) | 14,100 |
| 13 May 1980 | USD | 29.376 | 29.88 | 29.376 | 29.376 | 2.3476 | +0.624 (+2.17%) | 25,500 |
| 12 May 1980 | USD | 28.752 | 29.25 | 28.752 | 28.752 | 2.2978 | +2.124 (+7.98%) | 14,800 |
| 9 May 1980 | USD | 26.628 | 27.126 | 26.628 | 26.628 | 2.128 | -0.126 (-0.47%) | 9,700 |
| 8 May 1980 | USD | 26.754 | 27.252 | 26.754 | 26.754 | 2.1381 | 0.0 (0.0%) | 8,500 |
| 7 May 1980 | USD | 26.754 | 27.252 | 26.754 | 26.754 | 2.1381 | +0.252 (+0.95%) | 4,500 |
| 6 May 1980 | USD | 26.502 | 27 | 26.502 | 26.502 | 2.118 | -0.252 (-0.94%) | 11,300 |
| 5 May 1980 | USD | 26.754 | 27.252 | 26.754 | 26.754 | 2.1381 | +1.002 (+3.89%) | 17,100 |
| 2 May 1980 | USD | 25.752 | 26.25 | 25.752 | 25.752 | 2.058 | -0.252 (-0.97%) | 10,600 |
| 1 May 1980 | USD | 26.004 | 26.502 | 26.004 | 26.004 | 2.0782 | -0.996 (-3.69%) | 9,900 |
| 30 Apr 1980 | USD | 27 | 27.504 | 27 | 27 | 2.1578 | -0.252 (-0.92%) | 5,300 |
| 29 Apr 1980 | USD | 27.252 | 27.75 | 27.252 | 27.252 | 2.1779 | +1.374 (+5.31%) | 15,500 |
| 28 Apr 1980 | USD | 25.878 | 26.376 | 25.878 | 25.878 | 2.0681 | +0.876 (+3.50%) | 9,900 |
| 25 Apr 1980 | USD | 25.002 | 25.5 | 25.002 | 25.002 | 1.9981 | -0.252 (-1.00%) | 7,700 |
| 24 Apr 1980 | USD | 25.254 | 25.752 | 25.254 | 25.254 | 2.0182 | +1.374 (+5.75%) | 9,800 |
| 23 Apr 1980 | USD | 23.88 | 24.378 | 23.88 | 23.88 | 1.9084 | -0.246 (-1.02%) | 14,800 |
| 22 Apr 1980 | USD | 24.126 | 24.63 | 24.126 | 24.126 | 1.9281 | +1.248 (+5.46%) | 16,100 |
| 21 Apr 1980 | USD | 22.878 | 23.376 | 22.878 | 22.878 | 1.8283 | 0.0 (0.0%) | 2,300 |
| 18 Apr 1980 | USD | 22.878 | 23.376 | 22.878 | 22.878 | 1.8283 | +0.126 (+0.55%) | 15,800 |
| 17 Apr 1980 | USD | 22.752 | 23.25 | 22.752 | 22.752 | 1.8183 | 0.0 (0.0%) | 15,400 |
| 16 Apr 1980 | USD | 22.752 | 23.25 | 22.752 | 22.752 | 1.8183 | 0.0 (0.0%) | 9,700 |
| 15 Apr 1980 | USD | 22.752 | 23.25 | 22.752 | 22.752 | 1.8183 | -0.75 (-3.19%) | 8,000 |
| 14 Apr 1980 | USD | 23.502 | 24 | 23.502 | 23.502 | 1.8782 | 0.0 (0.0%) | 5,400 |
| 11 Apr 1980 | USD | 23.502 | 24 | 23.502 | 23.502 | 1.8782 | +0.75 (+3.30%) | 26,700 |
| 10 Apr 1980 | USD | 22.752 | 23.25 | 22.752 | 22.752 | 1.8183 | +0.75 (+3.41%) | 13,900 |
| 9 Apr 1980 | USD | 22.002 | 22.5 | 22.002 | 22.002 | 1.7583 | -0.126 (-0.57%) | 10,000 |
