| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 2 May 1980 | USD | 14.875 | 14.875 | 14.375 | 14.875 | 3.7188 | +0.5 (+3.48%) | 10,300 |
| 1 May 1980 | USD | 14.375 | 14.5 | 14.375 | 14.375 | 3.5938 | -0.125 (-0.86%) | 3,200 |
| 30 Apr 1980 | USD | 14.5 | 14.5 | 14.25 | 14.5 | 3.625 | +0.125 (+0.87%) | 4,800 |
| 29 Apr 1980 | USD | 14.375 | 14.375 | 14 | 14.375 | 3.5938 | +0.375 (+2.68%) | 5,000 |
| 28 Apr 1980 | USD | 14 | 14.25 | 13.75 | 14 | 3.5 | +0.375 (+2.75%) | 5,400 |
| 25 Apr 1980 | USD | 13.625 | 13.875 | 13.5 | 13.625 | 3.4062 | -0.125 (-0.91%) | 3,200 |
| 24 Apr 1980 | USD | 13.75 | 13.875 | 13.5 | 13.75 | 3.4375 | -0.5 (-3.51%) | 5,600 |
| 23 Apr 1980 | USD | 14.25 | 14.375 | 14.125 | 14.25 | 3.5625 | -0.125 (-0.87%) | 3,300 |
| 22 Apr 1980 | USD | 14.375 | 14.5 | 14.375 | 14.375 | 3.5938 | +0.125 (+0.88%) | 3,100 |
| 21 Apr 1980 | USD | 14.25 | 14.375 | 14.25 | 14.25 | 3.5625 | 0.0 (0.0%) | 3,100 |
| 18 Apr 1980 | USD | 14.25 | 14.375 | 13.875 | 14.25 | 3.5625 | +0.25 (+1.79%) | 2,100 |
| 17 Apr 1980 | USD | 14 | 14.125 | 13.75 | 14 | 3.5 | +0.125 (+0.90%) | 5,400 |
| 16 Apr 1980 | USD | 13.875 | 13.875 | 13.625 | 13.875 | 3.4688 | +0.375 (+2.78%) | 600 |
| 15 Apr 1980 | USD | 13.5 | 13.5 | 13.25 | 13.5 | 3.375 | 0.0 (0.0%) | 1,900 |
| 14 Apr 1980 | USD | 13.5 | 13.625 | 13.5 | 13.5 | 3.375 | -0.125 (-0.92%) | 400 |
| 11 Apr 1980 | USD | 13.625 | 13.625 | 13.25 | 13.625 | 3.4062 | +0.125 (+0.93%) | 1,500 |
| 10 Apr 1980 | USD | 13.5 | 13.5 | 13.125 | 13.5 | 3.375 | +0.5 (+3.85%) | 3,200 |
| 9 Apr 1980 | USD | 13 | 13 | 12.875 | 13 | 3.25 | 0.0 (0.0%) | 1,000 |
| 8 Apr 1980 | USD | 13 | 13 | 12.625 | 13 | 3.25 | +0.125 (+0.97%) | 1,400 |
| 7 Apr 1980 | USD | 12.875 | 13.125 | 12.75 | 12.875 | 3.2188 | 0.0 (0.0%) | 3,900 |
| 3 Apr 1980 | USD | 12.875 | 13 | 12.875 | 12.875 | 3.2188 | +0.125 (+0.98%) | 2,000 |
| 2 Apr 1980 | USD | 12.75 | 13.125 | 12.75 | 12.75 | 3.1875 | -0.25 (-1.92%) | 1,100 |
| 1 Apr 1980 | USD | 13 | 13.125 | 12.875 | 13 | 3.25 | +0.25 (+1.96%) | 2,600 |
| 31 Mar 1980 | USD | 12.75 | 12.75 | 12.375 | 12.75 | 3.1875 | 0.0 (0.0%) | 1,300 |
| 28 Mar 1980 | USD | 12.75 | 13 | 12.75 | 12.75 | 3.1875 | 0.0 (0.0%) | 800 |
| 27 Mar 1980 | USD | 12.75 | 12.75 | 12.5 | 12.75 | 3.1875 | +0.125 (+0.99%) | 1,200 |
| 26 Mar 1980 | USD | 12.625 | 12.875 | 12.625 | 12.625 | 3.1562 | +0.25 (+2.02%) | 4,700 |
| 25 Mar 1980 | USD | 12.375 | 12.625 | 12.25 | 12.375 | 3.0938 | -0.125 (-1%) | 5,000 |
| 24 Mar 1980 | USD | 12.5 | 12.625 | 12.5 | 12.5 | 3.125 | -0.25 (-1.96%) | 1,300 |
| 21 Mar 1980 | USD | 12.75 | 12.75 | 12.5 | 12.75 | 3.1875 | 0.0 (0.0%) | 2,500 |
