| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 23 May 1980 | USD | 14.75 | 14.875 | 14.625 | 14.75 | 5.2603 | +0.125 (+0.85%) | 90,600 |
| 22 May 1980 | USD | 14.625 | 14.75 | 14.5 | 14.625 | 5.2158 | 0.0 (0.0%) | 34,000 |
| 21 May 1980 | USD | 14.625 | 14.625 | 14.375 | 14.625 | 5.2158 | -0.625 (-4.10%) | 66,000 |
| 20 May 1980 | USD | 15.25 | 15.375 | 15.125 | 15.25 | 5.4387 | +0.125 (+0.83%) | 45,400 |
| 19 May 1980 | USD | 15.125 | 15.625 | 15.125 | 15.125 | 5.3941 | -0.5 (-3.20%) | 26,800 |
| 16 May 1980 | USD | 15.625 | 15.625 | 15.5 | 15.625 | 5.5724 | +0.125 (+0.81%) | 20,900 |
| 15 May 1980 | USD | 15.5 | 15.75 | 15.375 | 15.5 | 5.5278 | -0.125 (-0.80%) | 85,900 |
| 14 May 1980 | USD | 15.625 | 15.625 | 15.375 | 15.625 | 5.5724 | +0.25 (+1.63%) | 28,600 |
| 13 May 1980 | USD | 15.375 | 15.5 | 15.125 | 15.375 | 5.4832 | +0.125 (+0.82%) | 53,300 |
| 12 May 1980 | USD | 15.25 | 15.25 | 15.125 | 15.25 | 5.4387 | +0.25 (+1.67%) | 13,700 |
| 9 May 1980 | USD | 15 | 15.25 | 14.875 | 15 | 5.3495 | -0.25 (-1.64%) | 20,300 |
| 8 May 1980 | USD | 15.25 | 15.375 | 15 | 15.25 | 5.4387 | +0.125 (+0.83%) | 52,600 |
| 7 May 1980 | USD | 15.125 | 15.125 | 14.75 | 15.125 | 5.3941 | +0.375 (+2.54%) | 38,000 |
| 6 May 1980 | USD | 14.75 | 14.75 | 14.375 | 14.75 | 5.2603 | +0.5 (+3.51%) | 85,700 |
| 5 May 1980 | USD | 14.25 | 14.25 | 13.875 | 14.25 | 5.082 | +0.25 (+1.79%) | 48,000 |
| 2 May 1980 | USD | 14 | 14 | 13.875 | 14 | 4.9929 | 0.0 (0.0%) | 14,800 |
| 1 May 1980 | USD | 14 | 14.125 | 13.875 | 14 | 4.9929 | -0.125 (-0.88%) | 19,300 |
| 30 Apr 1980 | USD | 14.125 | 14.125 | 13.875 | 14.125 | 5.0374 | +0.125 (+0.89%) | 23,900 |
| 29 Apr 1980 | USD | 14 | 14 | 13.875 | 14 | 4.9929 | 0.0 (0.0%) | 24,100 |
| 28 Apr 1980 | USD | 14 | 14.125 | 13.875 | 14 | 4.9929 | 0.0 (0.0%) | 41,000 |
| 25 Apr 1980 | USD | 14 | 14.125 | 13.875 | 14 | 4.9929 | +0.125 (+0.90%) | 28,900 |
| 24 Apr 1980 | USD | 13.875 | 14.125 | 13.75 | 13.875 | 4.9483 | 0.0 (0.0%) | 72,700 |
| 23 Apr 1980 | USD | 13.875 | 14 | 13.75 | 13.875 | 4.9483 | 0.0 (0.0%) | 40,700 |
| 22 Apr 1980 | USD | 13.875 | 14.125 | 13.875 | 13.875 | 4.9483 | -0.25 (-1.77%) | 28,900 |
| 21 Apr 1980 | USD | 14.125 | 14.125 | 14 | 14.125 | 5.0374 | -0.125 (-0.88%) | 30,900 |
| 18 Apr 1980 | USD | 14.25 | 14.25 | 14 | 14.25 | 5.082 | 0.0 (0.0%) | 52,200 |
| 17 Apr 1980 | USD | 14.25 | 14.375 | 14 | 14.25 | 5.082 | +0.25 (+1.79%) | 53,000 |
| 16 Apr 1980 | USD | 14 | 14.125 | 13.75 | 14 | 4.9929 | +0.25 (+1.82%) | 31,000 |
| 15 Apr 1980 | USD | 13.75 | 13.75 | 13.5 | 13.75 | 4.9037 | +0.125 (+0.92%) | 24,100 |
| 14 Apr 1980 | USD | 13.625 | 13.75 | 13.5 | 13.625 | 4.8591 | -0.125 (-0.91%) | 39,200 |
