| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 14 Aug 1980 | USD | 15 | 15 | 14.376 | 15 | 0.8735 | +0.499 (+3.44%) | 2,201 |
| 13 Aug 1980 | USD | 14.501 | 14.627 | 14.246 | 14.501 | 0.8444 | 0.0 (0.0%) | 2,801 |
| 12 Aug 1980 | USD | 14.501 | 15.122 | 14.501 | 14.501 | 0.8444 | -0.499 (-3.33%) | 5,002 |
| 11 Aug 1980 | USD | 15 | 15.502 | 14.376 | 15 | 0.8735 | +1.001 (+7.15%) | 10,801 |
| 8 Aug 1980 | USD | 13.999 | 14.749 | 13.999 | 13.999 | 0.8152 | -0.75 (-5.09%) | 3,801 |
| 7 Aug 1980 | USD | 14.749 | 14.749 | 13.873 | 14.749 | 0.8589 | +0.998 (+7.26%) | 10,701 |
| 6 Aug 1980 | USD | 13.751 | 13.873 | 13.504 | 13.751 | 0.8007 | +0.498 (+3.76%) | 3,901 |
| 5 Aug 1980 | USD | 13.253 | 13.253 | 12.998 | 13.253 | 0.7717 | +0.503 (+3.95%) | 1,501 |
| 4 Aug 1980 | USD | 12.75 | 12.876 | 12.75 | 12.75 | 0.7424 | 0.0 (0.0%) | 1,102 |
| 1 Aug 1980 | USD | 12.75 | 13.253 | 12.75 | 12.75 | 0.7424 | -0.628 (-4.69%) | 2,201 |
| 31 Jul 1980 | USD | 13.378 | 13.751 | 13.378 | 13.378 | 0.779 | -0.248 (-1.82%) | 1,701 |
| 30 Jul 1980 | USD | 13.626 | 13.626 | 13.378 | 13.626 | 0.7935 | +0.248 (+1.85%) | 3,501 |
| 29 Jul 1980 | USD | 13.378 | 13.873 | 12.998 | 13.378 | 0.779 | +0.749 (+5.93%) | 7,801 |
| 28 Jul 1980 | USD | 12.629 | 12.629 | 12.499 | 12.629 | 0.7354 | +0.13 (+1.04%) | 800 |
| 25 Jul 1980 | USD | 12.499 | 12.499 | 12.374 | 12.499 | 0.7278 | -0.251 (-1.97%) | 1,201 |
| 24 Jul 1980 | USD | 12.75 | 12.75 | 12.629 | 12.75 | 0.7424 | +0.376 (+3.04%) | 3,001 |
| 23 Jul 1980 | USD | 12.374 | 12.499 | 12.126 | 12.374 | 0.7206 | 0.0 (0.0%) | 2,301 |
| 22 Jul 1980 | USD | 12.374 | 12.629 | 12.126 | 12.374 | 0.7206 | +0.248 (+2.05%) | 1,801 |
| 21 Jul 1980 | USD | 12.126 | 12.374 | 12.126 | 12.126 | 0.7061 | -0.503 (-3.98%) | 1,102 |
| 18 Jul 1980 | USD | 12.629 | 12.876 | 12.374 | 12.629 | 0.7354 | +0.13 (+1.04%) | 5,002 |
| 17 Jul 1980 | USD | 12.499 | 12.499 | 12.252 | 12.499 | 0.7278 | 0.0 (0.0%) | 2,101 |
| 16 Jul 1980 | USD | 12.499 | 12.499 | 12.252 | 12.499 | 0.7278 | +0.373 (+3.08%) | 1,102 |
| 15 Jul 1980 | USD | 12.126 | 12.499 | 12.126 | 12.126 | 0.7061 | 0.0 (0.0%) | 5,900 |
| 14 Jul 1980 | USD | 12.126 | 12.252 | 11.502 | 12.126 | 0.7061 | +0.875 (+7.78%) | 6,900 |
| 11 Jul 1980 | USD | 11.251 | 11.251 | 11.251 | 11.251 | 0.6552 | -0.122 (-1.07%) | 300 |
| 10 Jul 1980 | USD | 11.373 | 11.502 | 11.373 | 11.373 | 0.6623 | -0.38 (-3.23%) | 401 |
| 9 Jul 1980 | USD | 11.753 | 12.001 | 11.753 | 11.753 | 0.6844 | -0.248 (-2.07%) | 1,501 |
| 8 Jul 1980 | USD | 12.001 | 12.001 | 11.753 | 12.001 | 0.6988 | 0.0 (0.0%) | 3,901 |
| 7 Jul 1980 | USD | 12.001 | 12.126 | 11.502 | 12.001 | 0.6988 | +0.126 (+1.06%) | 3,700 |
| 4 Jul 1980 | USD | 11.875 | 11.875 | 11.875 | 11.875 | 0.6915 | 0.0 (0.0%) | 0 |
