| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 20 May 1980 | USD | 14.5 | 14.625 | 14.5 | 14.5 | 14.5 | -0.125 (-0.85%) | 4,000 |
| 19 May 1980 | USD | 14.625 | 14.75 | 14.375 | 14.625 | 14.625 | 0.0 (0.0%) | 11,600 |
| 16 May 1980 | USD | 14.625 | 14.75 | 14.625 | 14.625 | 14.625 | -0.125 (-0.85%) | 2,100 |
| 15 May 1980 | USD | 14.75 | 14.875 | 14.625 | 14.75 | 14.75 | +0.125 (+0.85%) | 2,900 |
| 14 May 1980 | USD | 14.625 | 14.625 | 14.625 | 14.625 | 14.625 | 0.0 (0.0%) | 1,100 |
| 13 May 1980 | USD | 14.625 | 14.75 | 14.625 | 14.625 | 14.625 | -0.125 (-0.85%) | 4,000 |
| 12 May 1980 | USD | 14.75 | 14.875 | 14.625 | 14.75 | 14.75 | -0.125 (-0.84%) | 3,400 |
| 9 May 1980 | USD | 14.875 | 14.875 | 14.75 | 14.875 | 14.875 | +0.25 (+1.71%) | 2,700 |
| 8 May 1980 | USD | 14.625 | 14.75 | 14.625 | 14.625 | 14.625 | -0.125 (-0.85%) | 2,400 |
| 7 May 1980 | USD | 14.75 | 14.75 | 14.25 | 14.75 | 14.75 | +0.5 (+3.51%) | 4,600 |
| 6 May 1980 | USD | 14.25 | 14.25 | 14 | 14.25 | 14.25 | +0.375 (+2.70%) | 7,800 |
| 5 May 1980 | USD | 13.875 | 14 | 13.875 | 13.875 | 13.875 | -0.125 (-0.89%) | 4,800 |
| 2 May 1980 | USD | 14 | 14 | 13.875 | 14 | 14 | +0.125 (+0.90%) | 1,600 |
| 1 May 1980 | USD | 13.875 | 13.875 | 13.875 | 13.875 | 13.875 | 0.0 (0.0%) | 1,900 |
| 30 Apr 1980 | USD | 13.875 | 14 | 13.75 | 13.875 | 13.875 | 0.0 (0.0%) | 4,000 |
| 29 Apr 1980 | USD | 13.875 | 14.125 | 13.75 | 13.875 | 13.875 | -0.125 (-0.89%) | 14,500 |
| 28 Apr 1980 | USD | 14 | 14.125 | 13.875 | 14 | 14 | 0.0 (0.0%) | 25,700 |
| 25 Apr 1980 | USD | 14 | 14 | 14 | 14 | 14 | +0.125 (+0.90%) | 4,800 |
| 24 Apr 1980 | USD | 13.875 | 14 | 13.875 | 13.875 | 13.875 | -0.25 (-1.77%) | 5,000 |
| 23 Apr 1980 | USD | 14.125 | 14.125 | 13.875 | 14.125 | 14.125 | +0.125 (+0.89%) | 2,200 |
| 22 Apr 1980 | USD | 14 | 14 | 13.875 | 14 | 14 | +0.125 (+0.90%) | 2,500 |
| 21 Apr 1980 | USD | 13.875 | 13.875 | 13.875 | 13.875 | 13.875 | 0.0 (0.0%) | 1,700 |
| 18 Apr 1980 | USD | 13.875 | 14.125 | 13.875 | 13.875 | 13.875 | -0.125 (-0.89%) | 3,700 |
| 17 Apr 1980 | USD | 14 | 14.125 | 14 | 14 | 14 | 0.0 (0.0%) | 1,500 |
| 16 Apr 1980 | USD | 14 | 14 | 14 | 14 | 14 | -0.125 (-0.88%) | 5,300 |
| 15 Apr 1980 | USD | 14.125 | 14.125 | 14.125 | 14.125 | 14.125 | -0.125 (-0.88%) | 3,000 |
| 14 Apr 1980 | USD | 14.25 | 14.25 | 14.125 | 14.25 | 14.25 | 0.0 (0.0%) | 2,600 |
| 11 Apr 1980 | USD | 14.25 | 14.25 | 13.875 | 14.25 | 14.25 | +0.375 (+2.70%) | 2,000 |
| 10 Apr 1980 | USD | 13.875 | 13.875 | 13.875 | 13.875 | 13.875 | 0.0 (0.0%) | 2,400 |
| 9 Apr 1980 | USD | 13.875 | 14 | 13.875 | 13.875 | 13.875 | 0.0 (0.0%) | 7,500 |
