| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 18 Sep 1980 | USD | 30.128 | 30.5 | 30 | 30.128 | 2.4687 | +0.128 (+0.43%) | 9,400 |
| 17 Sep 1980 | USD | 30 | 30.128 | 29.252 | 30 | 2.4582 | +0.624 (+2.12%) | 6,500 |
| 16 Sep 1980 | USD | 29.376 | 29.376 | 28.752 | 29.376 | 2.4071 | -0.124 (-0.42%) | 38,100 |
| 15 Sep 1980 | USD | 29.5 | 29.876 | 29.252 | 29.5 | 2.4172 | 0.0 (0.0%) | 6,300 |
| 12 Sep 1980 | USD | 29.5 | 30 | 29.5 | 29.5 | 2.4172 | -0.376 (-1.26%) | 7,500 |
| 11 Sep 1980 | USD | 29.876 | 30 | 29.876 | 29.876 | 2.448 | -0.124 (-0.41%) | 1,400 |
| 10 Sep 1980 | USD | 30 | 30 | 29 | 30 | 2.4582 | +0.748 (+2.56%) | 54,900 |
| 9 Sep 1980 | USD | 29.252 | 30.376 | 29 | 29.252 | 2.3969 | -0.376 (-1.27%) | 34,400 |
| 8 Sep 1980 | USD | 29.628 | 30.876 | 29.376 | 29.628 | 2.4277 | -1.248 (-4.04%) | 10,700 |
| 5 Sep 1980 | USD | 30.876 | 31 | 30.628 | 30.876 | 2.53 | +0.124 (+0.40%) | 6,600 |
| 4 Sep 1980 | USD | 30.752 | 32 | 30.5 | 30.752 | 2.5198 | +0.124 (+0.40%) | 21,600 |
| 3 Sep 1980 | USD | 30.628 | 30.876 | 29.128 | 30.628 | 2.5097 | +1.5 (+5.15%) | 22,600 |
| 2 Sep 1980 | USD | 29.128 | 29.252 | 29 | 29.128 | 2.3868 | -0.124 (-0.42%) | 7,100 |
| 29 Aug 1980 | USD | 29.252 | 29.252 | 28.376 | 29.252 | 2.3969 | +0.752 (+2.64%) | 12,100 |
| 28 Aug 1980 | USD | 28.5 | 29 | 28.376 | 28.5 | 2.3353 | -0.252 (-0.88%) | 9,500 |
| 27 Aug 1980 | USD | 28.752 | 29.876 | 28.628 | 28.752 | 2.3559 | -1.124 (-3.76%) | 7,700 |
| 26 Aug 1980 | USD | 29.876 | 30.252 | 29.628 | 29.876 | 2.448 | -0.252 (-0.84%) | 5,900 |
| 25 Aug 1980 | USD | 30.128 | 30.252 | 30 | 30.128 | 2.4687 | -0.124 (-0.41%) | 3,400 |
| 22 Aug 1980 | USD | 30.252 | 30.252 | 30 | 30.252 | 2.4789 | +0.252 (+0.84%) | 8,400 |
| 21 Aug 1980 | USD | 30 | 30.752 | 30 | 30 | 2.4582 | 0.0 (0.0%) | 40,900 |
| 20 Aug 1980 | USD | 30 | 30 | 28.876 | 30 | 2.4582 | +0.124 (+0.42%) | 22,300 |
| 19 Aug 1980 | USD | 29.876 | 31 | 28.376 | 29.876 | 2.448 | -1.376 (-4.40%) | 51,100 |
| 18 Aug 1980 | USD | 31.252 | 32.252 | 31.128 | 31.252 | 2.5608 | -0.748 (-2.34%) | 16,500 |
| 15 Aug 1980 | USD | 32 | 33.376 | 32 | 32 | 2.6221 | -1.5 (-4.48%) | 12,400 |
| 14 Aug 1980 | USD | 33.5 | 33.752 | 33.5 | 33.5 | 2.745 | -0.128 (-0.38%) | 3,200 |
| 13 Aug 1980 | USD | 33.628 | 33.628 | 33.376 | 33.628 | 2.7555 | +0.752 (+2.29%) | 5,600 |
| 12 Aug 1980 | USD | 32.876 | 33.752 | 32.876 | 32.876 | 2.6939 | -0.624 (-1.86%) | 17,800 |
| 11 Aug 1980 | USD | 33.5 | 33.628 | 32.876 | 33.5 | 2.745 | +1 (+3.08%) | 7,400 |
| 8 Aug 1980 | USD | 32.5 | 34.128 | 32.5 | 32.5 | 2.6631 | -0.128 (-0.39%) | 15,100 |
| 7 Aug 1980 | USD | 32.628 | 33 | 32.5 | 32.628 | 2.6735 | +0.876 (+2.76%) | 12,100 |
