| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 May 1980 | USD | 12.25 | 12.375 | 12.25 | 12.25 | 8.1667 | 0.0 (0.0%) | 4,300 |
| 9 May 1980 | USD | 12.25 | 12.25 | 12 | 12.25 | 8.1667 | +0.25 (+2.08%) | 2,700 |
| 8 May 1980 | USD | 12 | 12.25 | 12 | 12 | 8 | -0.125 (-1.03%) | 3,000 |
| 7 May 1980 | USD | 12.125 | 12.125 | 12 | 12.125 | 8.0833 | +0.125 (+1.04%) | 2,300 |
| 6 May 1980 | USD | 12 | 12.125 | 11.875 | 12 | 8 | -0.125 (-1.03%) | 10,200 |
| 5 May 1980 | USD | 12.125 | 12.25 | 12 | 12.125 | 8.0833 | -0.125 (-1.02%) | 6,200 |
| 2 May 1980 | USD | 12.25 | 12.375 | 12.125 | 12.25 | 8.1667 | +0.125 (+1.03%) | 5,500 |
| 1 May 1980 | USD | 12.125 | 12.25 | 12.125 | 12.125 | 8.0833 | -0.125 (-1.02%) | 4,300 |
| 30 Apr 1980 | USD | 12.25 | 12.375 | 12.25 | 12.25 | 8.1667 | -0.25 (-2%) | 3,000 |
| 29 Apr 1980 | USD | 12.5 | 12.5 | 12.375 | 12.5 | 8.3333 | +0.125 (+1.01%) | 15,400 |
| 28 Apr 1980 | USD | 12.375 | 12.375 | 12 | 12.375 | 8.25 | +0.375 (+3.13%) | 7,100 |
| 25 Apr 1980 | USD | 12 | 12.125 | 12 | 12 | 8 | 0.0 (0.0%) | 4,700 |
| 24 Apr 1980 | USD | 12 | 12 | 11.875 | 12 | 8 | +0.125 (+1.05%) | 4,400 |
| 23 Apr 1980 | USD | 11.875 | 11.875 | 11.75 | 11.875 | 7.9167 | +0.25 (+2.15%) | 4,900 |
| 22 Apr 1980 | USD | 11.625 | 11.625 | 11.375 | 11.625 | 7.75 | +0.5 (+4.49%) | 4,400 |
| 21 Apr 1980 | USD | 11.125 | 11.5 | 11.125 | 11.125 | 7.4167 | -0.25 (-2.20%) | 8,400 |
| 18 Apr 1980 | USD | 11.375 | 11.5 | 11.375 | 11.375 | 7.5833 | 0.0 (0.0%) | 2,300 |
| 17 Apr 1980 | USD | 11.375 | 11.625 | 11.375 | 11.375 | 7.5833 | -0.125 (-1.09%) | 2,300 |
| 16 Apr 1980 | USD | 11.5 | 11.75 | 11.5 | 11.5 | 7.6667 | 0.0 (0.0%) | 2,100 |
| 15 Apr 1980 | USD | 11.5 | 11.5 | 11.375 | 11.5 | 7.6667 | +0.125 (+1.10%) | 2,300 |
| 14 Apr 1980 | USD | 11.375 | 11.625 | 11.375 | 11.375 | 7.5833 | -0.25 (-2.15%) | 5,800 |
| 11 Apr 1980 | USD | 11.625 | 11.75 | 11.5 | 11.625 | 7.75 | -0.25 (-2.11%) | 1,900 |
| 10 Apr 1980 | USD | 11.875 | 11.875 | 11.75 | 11.875 | 7.9167 | 0.0 (0.0%) | 1,200 |
| 9 Apr 1980 | USD | 11.875 | 11.875 | 11.875 | 11.875 | 7.9167 | 0.0 (0.0%) | 300 |
| 8 Apr 1980 | USD | 11.875 | 11.875 | 11.25 | 11.875 | 7.9167 | +0.375 (+3.26%) | 9,200 |
| 7 Apr 1980 | USD | 11.5 | 11.875 | 11.5 | 11.5 | 7.6667 | -0.375 (-3.16%) | 5,200 |
| 3 Apr 1980 | USD | 11.875 | 12.25 | 11.875 | 11.875 | 7.9167 | -0.125 (-1.04%) | 3,700 |
| 2 Apr 1980 | USD | 12 | 12 | 11.875 | 12 | 8 | +0.125 (+1.05%) | 700 |
| 1 Apr 1980 | USD | 11.875 | 12.25 | 11.875 | 11.875 | 7.9167 | -0.5 (-4.04%) | 8,800 |
| 31 Mar 1980 | USD | 12.375 | 12.5 | 11.25 | 12.375 | 8.25 | +1.125 (+10%) | 24,000 |
