| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 6 May 1980 | USD | 13.25 | 13.75 | 13.25 | 13.25 | 13.25 | -0.5 (-3.64%) | 3,000 |
| 5 May 1980 | USD | 13.75 | 13.75 | 13.375 | 13.75 | 13.75 | +0.375 (+2.80%) | 4,900 |
| 2 May 1980 | USD | 13.375 | 13.5 | 13.25 | 13.375 | 13.375 | 0.0 (0.0%) | 3,600 |
| 1 May 1980 | USD | 13.375 | 13.625 | 13.375 | 13.375 | 13.375 | -0.125 (-0.93%) | 2,200 |
| 30 Apr 1980 | USD | 13.5 | 13.75 | 13.5 | 13.5 | 13.5 | -0.25 (-1.82%) | 1,500 |
| 29 Apr 1980 | USD | 13.75 | 13.75 | 13.125 | 13.75 | 13.75 | +0.375 (+2.80%) | 5,600 |
| 28 Apr 1980 | USD | 13.375 | 13.5 | 13.375 | 13.375 | 13.375 | -0.125 (-0.93%) | 3,200 |
| 25 Apr 1980 | USD | 13.5 | 13.5 | 13.125 | 13.5 | 13.5 | +0.25 (+1.89%) | 5,800 |
| 24 Apr 1980 | USD | 13.25 | 13.625 | 13.125 | 13.25 | 13.25 | +0.25 (+1.92%) | 23,100 |
| 23 Apr 1980 | USD | 13 | 13.25 | 13 | 13 | 13 | -0.375 (-2.80%) | 5,200 |
| 22 Apr 1980 | USD | 13.375 | 13.5 | 13.125 | 13.375 | 13.375 | +0.375 (+2.88%) | 2,800 |
| 21 Apr 1980 | USD | 13 | 13.25 | 13 | 13 | 13 | -0.125 (-0.95%) | 3,300 |
| 18 Apr 1980 | USD | 13.125 | 13.125 | 12.875 | 13.125 | 13.125 | -0.125 (-0.94%) | 2,500 |
| 17 Apr 1980 | USD | 13.25 | 13.25 | 12.875 | 13.25 | 13.25 | +0.5 (+3.92%) | 5,700 |
| 16 Apr 1980 | USD | 12.75 | 13.125 | 12.625 | 12.75 | 12.75 | +0.25 (+2%) | 22,900 |
| 15 Apr 1980 | USD | 12.5 | 12.5 | 12.25 | 12.5 | 12.5 | +0.125 (+1.01%) | 3,900 |
| 14 Apr 1980 | USD | 12.375 | 12.375 | 12.25 | 12.375 | 12.375 | 0.0 (0.0%) | 4,500 |
| 11 Apr 1980 | USD | 12.375 | 12.375 | 12.125 | 12.375 | 12.375 | +0.125 (+1.02%) | 9,500 |
| 10 Apr 1980 | USD | 12.25 | 12.375 | 11.5 | 12.25 | 12.25 | +0.625 (+5.38%) | 29,000 |
| 9 Apr 1980 | USD | 11.625 | 11.625 | 11.375 | 11.625 | 11.625 | -0.125 (-1.06%) | 3,600 |
| 8 Apr 1980 | USD | 11.75 | 11.75 | 11.25 | 11.75 | 11.75 | +0.375 (+3.30%) | 5,000 |
| 7 Apr 1980 | USD | 11.375 | 11.75 | 11.375 | 11.375 | 11.375 | -0.25 (-2.15%) | 2,000 |
| 3 Apr 1980 | USD | 11.625 | 11.75 | 11.375 | 11.625 | 11.625 | -0.125 (-1.06%) | 3,100 |
| 2 Apr 1980 | USD | 11.75 | 11.75 | 11.375 | 11.75 | 11.75 | +0.375 (+3.30%) | 2,300 |
| 1 Apr 1980 | USD | 11.375 | 11.375 | 11.125 | 11.375 | 11.375 | +0.25 (+2.25%) | 2,000 |
| 31 Mar 1980 | USD | 11.125 | 11.375 | 11 | 11.125 | 11.125 | 0.0 (0.0%) | 5,000 |
| 28 Mar 1980 | USD | 11.125 | 11.125 | 10.875 | 11.125 | 11.125 | +0.25 (+2.30%) | 2,800 |
| 27 Mar 1980 | USD | 10.875 | 11.125 | 10.875 | 10.875 | 10.875 | -0.25 (-2.25%) | 6,900 |
| 26 Mar 1980 | USD | 11.125 | 11.125 | 11 | 11.125 | 11.125 | +0.125 (+1.14%) | 2,500 |
| 25 Mar 1980 | USD | 11 | 11 | 10.875 | 11 | 11 | 0.0 (0.0%) | 5,000 |
