| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 16 May 1980 | USD | 17.5 | 17.625 | 17.5 | 17.5 | 17.5 | +0.125 (+0.72%) | 2,900 |
| 15 May 1980 | USD | 17.375 | 17.375 | 16.875 | 17.375 | 17.375 | +0.5 (+2.96%) | 5,700 |
| 14 May 1980 | USD | 16.875 | 17 | 16.875 | 16.875 | 16.875 | -0.125 (-0.74%) | 2,700 |
| 13 May 1980 | USD | 17 | 17 | 16.5 | 17 | 17 | +0.5 (+3.03%) | 3,100 |
| 12 May 1980 | USD | 16.5 | 16.75 | 16.5 | 16.5 | 16.5 | 0.0 (0.0%) | 4,100 |
| 9 May 1980 | USD | 16.5 | 16.75 | 16.375 | 16.5 | 16.5 | -0.125 (-0.75%) | 3,700 |
| 8 May 1980 | USD | 16.625 | 16.875 | 16.625 | 16.625 | 16.625 | -0.375 (-2.21%) | 2,900 |
| 7 May 1980 | USD | 17 | 17 | 16.25 | 17 | 17 | +0.75 (+4.62%) | 2,800 |
| 6 May 1980 | USD | 16.25 | 16.375 | 16 | 16.25 | 16.25 | +0.125 (+0.78%) | 3,400 |
| 5 May 1980 | USD | 16.125 | 16.125 | 15.5 | 16.125 | 16.125 | +0.75 (+4.88%) | 2,700 |
| 2 May 1980 | USD | 15.375 | 15.5 | 15.125 | 15.375 | 15.375 | -0.125 (-0.81%) | 2,500 |
| 1 May 1980 | USD | 15.5 | 16 | 15.5 | 15.5 | 15.5 | +0.125 (+0.81%) | 2,400 |
| 30 Apr 1980 | USD | 15.375 | 15.75 | 15.375 | 15.375 | 15.375 | -0.125 (-0.81%) | 1,200 |
| 29 Apr 1980 | USD | 15.5 | 15.875 | 15.5 | 15.5 | 15.5 | +0.125 (+0.81%) | 5,300 |
| 28 Apr 1980 | USD | 15.375 | 15.75 | 15.125 | 15.375 | 15.375 | -0.25 (-1.60%) | 3,700 |
| 25 Apr 1980 | USD | 15.625 | 15.75 | 15.625 | 15.625 | 15.625 | 0.0 (0.0%) | 3,800 |
| 24 Apr 1980 | USD | 15.625 | 15.875 | 15.5 | 15.625 | 15.625 | -0.375 (-2.34%) | 7,100 |
| 23 Apr 1980 | USD | 16 | 16 | 15.75 | 16 | 16 | +0.375 (+2.40%) | 5,700 |
| 22 Apr 1980 | USD | 15.625 | 16 | 15.625 | 15.625 | 15.625 | +0.125 (+0.81%) | 2,900 |
| 21 Apr 1980 | USD | 15.5 | 15.875 | 15.5 | 15.5 | 15.5 | -0.25 (-1.59%) | 2,100 |
| 18 Apr 1980 | USD | 15.75 | 15.875 | 15.625 | 15.75 | 15.75 | -0.125 (-0.79%) | 2,700 |
| 17 Apr 1980 | USD | 15.875 | 15.875 | 15.375 | 15.875 | 15.875 | +0.25 (+1.60%) | 3,600 |
| 16 Apr 1980 | USD | 15.625 | 15.625 | 15.125 | 15.625 | 15.625 | +0.375 (+2.46%) | 3,900 |
| 15 Apr 1980 | USD | 15.25 | 15.375 | 15.25 | 15.25 | 15.25 | -0.125 (-0.81%) | 700 |
| 14 Apr 1980 | USD | 15.375 | 15.375 | 14.875 | 15.375 | 15.375 | -0.125 (-0.81%) | 4,200 |
| 11 Apr 1980 | USD | 15.5 | 15.5 | 15.375 | 15.5 | 15.5 | +0.25 (+1.64%) | 2,200 |
| 10 Apr 1980 | USD | 15.25 | 15.25 | 14.75 | 15.25 | 15.25 | +0.875 (+6.09%) | 6,800 |
| 9 Apr 1980 | USD | 14.375 | 14.5 | 14.25 | 14.375 | 14.375 | +0.125 (+0.88%) | 2,400 |
| 8 Apr 1980 | USD | 14.25 | 14.5 | 14 | 14.25 | 14.25 | +0.25 (+1.79%) | 5,100 |
| 7 Apr 1980 | USD | 14 | 14.75 | 14 | 14 | 14 | -0.375 (-2.61%) | 3,300 |
