| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 1 Aug 1980 | USD | 14 | 14.25 | 12.625 | 14 | 28 | +1.25 (+9.80%) | 49,800 |
| 31 Jul 1980 | USD | 12.75 | 12.875 | 12.375 | 12.75 | 25.5 | -0.125 (-0.97%) | 13,400 |
| 30 Jul 1980 | USD | 12.875 | 13 | 12.125 | 12.875 | 25.75 | -0.375 (-2.83%) | 28,800 |
| 29 Jul 1980 | USD | 13.25 | 13.375 | 12.75 | 13.25 | 26.5 | -0.125 (-0.93%) | 29,500 |
| 28 Jul 1980 | USD | 13.375 | 13.375 | 12.625 | 13.375 | 26.75 | +0.625 (+4.90%) | 18,000 |
| 25 Jul 1980 | USD | 12.75 | 12.875 | 12.5 | 12.75 | 25.5 | 0.0 (0.0%) | 16,800 |
| 24 Jul 1980 | USD | 12.75 | 12.875 | 12.125 | 12.75 | 25.5 | +0.75 (+6.25%) | 15,300 |
| 23 Jul 1980 | USD | 12 | 12.375 | 11.875 | 12 | 24 | -0.5 (-4%) | 36,200 |
| 22 Jul 1980 | USD | 12.5 | 13.875 | 12 | 12.5 | 25 | -0.5 (-3.85%) | 41,600 |
| 21 Jul 1980 | USD | 13 | 13 | 12.25 | 13 | 26 | +1.125 (+9.47%) | 33,600 |
| 18 Jul 1980 | USD | 11.875 | 11.875 | 11.25 | 11.875 | 23.75 | +0.5 (+4.40%) | 38,000 |
| 17 Jul 1980 | USD | 11.375 | 11.5 | 11.125 | 11.375 | 22.75 | 0.0 (0.0%) | 17,300 |
| 16 Jul 1980 | USD | 11.375 | 11.5 | 10.625 | 11.375 | 22.75 | +0.875 (+8.33%) | 42,600 |
| 15 Jul 1980 | USD | 10.5 | 10.75 | 10.375 | 10.5 | 21 | -0.25 (-2.33%) | 9,000 |
| 14 Jul 1980 | USD | 10.75 | 10.75 | 9.75 | 10.75 | 21.5 | +0.625 (+6.17%) | 20,100 |
| 11 Jul 1980 | USD | 10.125 | 10.25 | 9.875 | 10.125 | 20.25 | -0.125 (-1.22%) | 7,200 |
| 10 Jul 1980 | USD | 10.25 | 10.375 | 10.125 | 10.25 | 20.5 | 0.0 (0.0%) | 1,500 |
| 9 Jul 1980 | USD | 10.25 | 10.625 | 10.25 | 10.25 | 20.5 | -0.25 (-2.38%) | 4,700 |
| 8 Jul 1980 | USD | 10.5 | 10.625 | 10.5 | 10.5 | 21 | -0.125 (-1.18%) | 2,000 |
| 7 Jul 1980 | USD | 10.625 | 10.625 | 10.25 | 10.625 | 21.25 | -0.125 (-1.16%) | 5,200 |
| 4 Jul 1980 | USD | 10.75 | 10.75 | 10.75 | 10.75 | 21.5 | 0.0 (0.0%) | 0 |
| 3 Jul 1980 | USD | 10.75 | 10.75 | 10.5 | 10.75 | 21.5 | +0.25 (+2.38%) | 5,100 |
| 2 Jul 1980 | USD | 10.5 | 10.5 | 10.25 | 10.5 | 21 | +0.125 (+1.20%) | 5,600 |
| 1 Jul 1980 | USD | 10.375 | 10.375 | 10.125 | 10.375 | 20.75 | +0.25 (+2.47%) | 3,500 |
| 30 Jun 1980 | USD | 10.125 | 10.625 | 10.125 | 10.125 | 20.25 | -0.75 (-6.90%) | 4,000 |
| 27 Jun 1980 | USD | 10.875 | 11.125 | 10.875 | 10.875 | 21.75 | -0.125 (-1.14%) | 3,000 |
| 26 Jun 1980 | USD | 11 | 11 | 10.75 | 11 | 22 | +0.625 (+6.02%) | 8,300 |
| 25 Jun 1980 | USD | 10.375 | 10.75 | 10.375 | 10.375 | 20.75 | -0.125 (-1.19%) | 6,800 |
| 24 Jun 1980 | USD | 10.5 | 10.75 | 10.375 | 10.5 | 21 | 0.0 (0.0%) | 3,900 |
| 23 Jun 1980 | USD | 10.5 | 11 | 10.5 | 10.5 | 21 | -0.375 (-3.45%) | 2,400 |
