| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 6 Aug 1980 | USD | 11.125 | 11.25 | 11.125 | 11.125 | 1.2726 | +0.125 (+1.14%) | 1,101 |
| 5 Aug 1980 | USD | 11 | 11.624 | 11 | 11 | 1.2583 | -0.624 (-5.37%) | 2,700 |
| 4 Aug 1980 | USD | 11.624 | 11.624 | 11.5 | 11.624 | 1.3297 | -0.126 (-1.07%) | 901 |
| 1 Aug 1980 | USD | 11.75 | 12 | 11.5 | 11.75 | 1.3441 | -0.25 (-2.08%) | 3,800 |
| 31 Jul 1980 | USD | 12 | 12 | 11.624 | 12 | 1.3727 | 0.0 (0.0%) | 4,500 |
| 30 Jul 1980 | USD | 12 | 12.501 | 11.624 | 12 | 1.3727 | +0.25 (+2.13%) | 8,100 |
| 29 Jul 1980 | USD | 11.75 | 11.875 | 11.375 | 11.75 | 1.3441 | +0.375 (+3.30%) | 3,400 |
| 28 Jul 1980 | USD | 11.375 | 11.5 | 11.25 | 11.375 | 1.3012 | -0.249 (-2.14%) | 1,401 |
| 25 Jul 1980 | USD | 11.624 | 12 | 10.5 | 11.624 | 1.3297 | +0.874 (+8.13%) | 7,301 |
| 24 Jul 1980 | USD | 10.75 | 10.75 | 10.375 | 10.75 | 1.2297 | +0.375 (+3.61%) | 6,100 |
| 23 Jul 1980 | USD | 10.375 | 10.375 | 10 | 10.375 | 1.1868 | +0.25 (+2.47%) | 3,400 |
| 22 Jul 1980 | USD | 10.125 | 10.375 | 10.125 | 10.125 | 1.1582 | -0.125 (-1.22%) | 4,500 |
| 21 Jul 1980 | USD | 10.25 | 10.25 | 10 | 10.25 | 1.1725 | -0.125 (-1.20%) | 1,801 |
| 18 Jul 1980 | USD | 10.375 | 10.375 | 10.25 | 10.375 | 1.1868 | +0.375 (+3.75%) | 4,600 |
| 17 Jul 1980 | USD | 10 | 10.125 | 9.749 | 10 | 1.1439 | +0.125 (+1.27%) | 6,000 |
| 16 Jul 1980 | USD | 9.875 | 10 | 9.875 | 9.875 | 1.1296 | -0.125 (-1.25%) | 6,401 |
| 15 Jul 1980 | USD | 10 | 10.5 | 10 | 10 | 1.1439 | -0.626 (-5.89%) | 3,201 |
| 14 Jul 1980 | USD | 10.626 | 10.626 | 10.125 | 10.626 | 1.2155 | +0.376 (+3.67%) | 5,001 |
| 11 Jul 1980 | USD | 10.25 | 10.375 | 10.25 | 10.25 | 1.1725 | -0.25 (-2.38%) | 2,801 |
| 10 Jul 1980 | USD | 10.5 | 10.5 | 10.375 | 10.5 | 1.2011 | 0.0 (0.0%) | 1,101 |
| 9 Jul 1980 | USD | 10.5 | 10.626 | 10.375 | 10.5 | 1.2011 | -0.25 (-2.33%) | 2,700 |
| 8 Jul 1980 | USD | 10.75 | 11.125 | 10.75 | 10.75 | 1.2297 | -0.25 (-2.27%) | 2,501 |
| 7 Jul 1980 | USD | 11 | 11.25 | 10.25 | 11 | 1.2583 | +0.875 (+8.64%) | 5,301 |
| 4 Jul 1980 | USD | 10.125 | 10.125 | 10.125 | 10.125 | 1.1582 | 0.0 (0.0%) | 0 |
| 3 Jul 1980 | USD | 10.125 | 10.25 | 10 | 10.125 | 1.1582 | +0.125 (+1.25%) | 4,100 |
| 2 Jul 1980 | USD | 10 | 10.125 | 10 | 10 | 1.1439 | 0.0 (0.0%) | 1,401 |
| 1 Jul 1980 | USD | 10 | 10 | 9.875 | 10 | 1.1439 | 0.0 (0.0%) | 601 |
| 30 Jun 1980 | USD | 10 | 10 | 9.749 | 10 | 1.1439 | +0.125 (+1.27%) | 1,500 |
| 27 Jun 1980 | USD | 9.875 | 10 | 9.749 | 9.875 | 1.1296 | +0.126 (+1.29%) | 2,001 |
| 26 Jun 1980 | USD | 9.749 | 10 | 9.749 | 9.749 | 1.1152 | -0.251 (-2.51%) | 5,900 |
