| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 19 May 1980 | USD | 13.125 | 13.125 | 13.125 | 13.125 | 7.875 | +0.125 (+0.96%) | 101 |
| 16 May 1980 | USD | 13 | 13 | 12.75 | 13 | 7.8 | 0.0 (0.0%) | 300 |
| 15 May 1980 | USD | 13 | 13.25 | 13 | 13 | 7.8 | -0.125 (-0.95%) | 1,800 |
| 14 May 1980 | USD | 13.125 | 13.125 | 13.125 | 13.125 | 7.875 | -0.375 (-2.78%) | 600 |
| 13 May 1980 | USD | 13.5 | 13.75 | 13.5 | 13.5 | 8.1 | -0.25 (-1.82%) | 701 |
| 12 May 1980 | USD | 13.75 | 14.125 | 13.75 | 13.75 | 8.25 | -0.5 (-3.51%) | 1,001 |
| 9 May 1980 | USD | 14.25 | 14.25 | 14.125 | 14.25 | 8.55 | -0.125 (-0.87%) | 600 |
| 8 May 1980 | USD | 14.375 | 14.375 | 14.125 | 14.375 | 8.625 | +0.125 (+0.88%) | 701 |
| 7 May 1980 | USD | 14.25 | 14.375 | 14 | 14.25 | 8.55 | +0.25 (+1.79%) | 3,500 |
| 6 May 1980 | USD | 14 | 14 | 13.5 | 14 | 8.4 | +0.625 (+4.67%) | 1,800 |
| 5 May 1980 | USD | 13.375 | 13.375 | 13 | 13.375 | 8.025 | +0.5 (+3.88%) | 1,400 |
| 2 May 1980 | USD | 12.875 | 12.875 | 12.75 | 12.875 | 7.725 | -0.125 (-0.96%) | 500 |
| 1 May 1980 | USD | 13 | 13 | 12.875 | 13 | 7.8 | +0.125 (+0.97%) | 3,500 |
| 30 Apr 1980 | USD | 12.875 | 12.875 | 12.625 | 12.875 | 7.725 | 0.0 (0.0%) | 701 |
| 29 Apr 1980 | USD | 12.875 | 12.875 | 12.875 | 12.875 | 7.725 | +0.125 (+0.98%) | 101 |
| 28 Apr 1980 | USD | 12.75 | 12.75 | 12.25 | 12.75 | 7.65 | +0.25 (+2%) | 1,301 |
| 25 Apr 1980 | USD | 12.5 | 12.5 | 12.25 | 12.5 | 7.5 | +0.375 (+3.09%) | 401 |
| 24 Apr 1980 | USD | 12.125 | 12.25 | 11.875 | 12.125 | 7.275 | +0.25 (+2.11%) | 701 |
| 23 Apr 1980 | USD | 11.875 | 12 | 11.5 | 11.875 | 7.125 | +0.5 (+4.40%) | 1,001 |
| 22 Apr 1980 | USD | 11.375 | 11.5 | 11 | 11.375 | 6.825 | +0.625 (+5.81%) | 900 |
| 21 Apr 1980 | USD | 10.75 | 10.75 | 10.75 | 10.75 | 6.45 | +0.25 (+2.38%) | 300 |
| 18 Apr 1980 | USD | 10.5 | 10.5 | 10.5 | 10.5 | 6.3 | 0.0 (0.0%) | 0 |
| 17 Apr 1980 | USD | 10.5 | 10.75 | 10.5 | 10.5 | 6.3 | -0.5 (-4.55%) | 1,301 |
| 16 Apr 1980 | USD | 11 | 11 | 11 | 11 | 6.6 | +0.25 (+2.33%) | 300 |
| 15 Apr 1980 | USD | 10.75 | 10.75 | 10.75 | 10.75 | 6.45 | 0.0 (0.0%) | 0 |
| 14 Apr 1980 | USD | 10.75 | 10.75 | 10.75 | 10.75 | 6.45 | -0.25 (-2.27%) | 300 |
| 11 Apr 1980 | USD | 11 | 11 | 11 | 11 | 6.6 | 0.0 (0.0%) | 0 |
| 10 Apr 1980 | USD | 11 | 11 | 10.875 | 11 | 6.6 | +0.125 (+1.15%) | 900 |
| 9 Apr 1980 | USD | 10.875 | 10.875 | 10.875 | 10.875 | 6.525 | +0.125 (+1.16%) | 101 |
| 8 Apr 1980 | USD | 10.75 | 10.75 | 10.75 | 10.75 | 6.45 | -0.25 (-2.27%) | 101 |
