| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 13 May 1980 | USD | 20.875 | 21.125 | 20.75 | 20.875 | 1.0049 | +0.875 (+4.38%) | 14,500 |
| 12 May 1980 | USD | 20 | 20.375 | 18.875 | 20 | 0.9628 | +0.75 (+3.90%) | 24,300 |
| 9 May 1980 | USD | 19.25 | 19.375 | 19.125 | 19.25 | 0.9267 | -0.25 (-1.28%) | 4,800 |
| 8 May 1980 | USD | 19.5 | 20.5 | 19.5 | 19.5 | 0.9387 | -0.125 (-0.64%) | 6,300 |
| 7 May 1980 | USD | 19.625 | 20.5 | 19.625 | 19.625 | 0.9447 | -0.625 (-3.09%) | 5,500 |
| 6 May 1980 | USD | 20.25 | 20.875 | 20.125 | 20.25 | 0.9748 | -0.25 (-1.22%) | 13,800 |
| 5 May 1980 | USD | 20.5 | 21.625 | 20.25 | 20.5 | 0.9869 | -0.5 (-2.38%) | 12,400 |
| 2 May 1980 | USD | 21 | 21.25 | 19.75 | 21 | 1.0109 | +1.125 (+5.66%) | 16,600 |
| 1 May 1980 | USD | 19.875 | 20.875 | 19.25 | 19.875 | 0.9568 | +0.125 (+0.63%) | 34,300 |
| 30 Apr 1980 | USD | 19.75 | 20 | 17.125 | 19.75 | 0.9508 | +2.5 (+14.49%) | 32,500 |
| 29 Apr 1980 | USD | 17.25 | 17.25 | 16.75 | 17.25 | 0.8304 | +0.625 (+3.76%) | 11,200 |
| 28 Apr 1980 | USD | 16.625 | 17.25 | 16.625 | 16.625 | 0.8003 | -0.5 (-2.92%) | 14,200 |
| 25 Apr 1980 | USD | 17.125 | 17.125 | 16.625 | 17.125 | 0.8244 | +0.125 (+0.74%) | 3,400 |
| 24 Apr 1980 | USD | 17 | 17.25 | 16.5 | 17 | 0.8184 | +0.125 (+0.74%) | 6,300 |
| 23 Apr 1980 | USD | 16.875 | 17.375 | 16.625 | 16.875 | 0.8124 | 0.0 (0.0%) | 8,600 |
| 22 Apr 1980 | USD | 16.875 | 17 | 16 | 16.875 | 0.8124 | +1.125 (+7.14%) | 13,600 |
| 21 Apr 1980 | USD | 15.75 | 16.125 | 15.75 | 15.75 | 0.7582 | -0.25 (-1.56%) | 2,100 |
| 18 Apr 1980 | USD | 16 | 16.25 | 15.875 | 16 | 0.7702 | 0.0 (0.0%) | 1,200 |
| 17 Apr 1980 | USD | 16 | 16.75 | 15.75 | 16 | 0.7702 | -0.5 (-3.03%) | 5,400 |
| 16 Apr 1980 | USD | 16.5 | 17.25 | 16.5 | 16.5 | 0.7943 | -0.5 (-2.94%) | 6,500 |
| 15 Apr 1980 | USD | 17 | 17.375 | 17 | 17 | 0.8184 | 0.0 (0.0%) | 6,800 |
| 14 Apr 1980 | USD | 17 | 17.375 | 16.875 | 17 | 0.8184 | -0.375 (-2.16%) | 6,500 |
| 11 Apr 1980 | USD | 17.375 | 18 | 17.25 | 17.375 | 0.8364 | -0.625 (-3.47%) | 8,800 |
| 10 Apr 1980 | USD | 18 | 18 | 17.25 | 18 | 0.8665 | +1 (+5.88%) | 15,300 |
| 9 Apr 1980 | USD | 17 | 17 | 16.125 | 17 | 0.8184 | +0.625 (+3.82%) | 12,000 |
| 8 Apr 1980 | USD | 16.375 | 16.625 | 15.75 | 16.375 | 0.7883 | -0.25 (-1.50%) | 10,400 |
| 7 Apr 1980 | USD | 16.625 | 17.25 | 16.625 | 16.625 | 0.8003 | -0.25 (-1.48%) | 10,400 |
| 3 Apr 1980 | USD | 16.875 | 17.125 | 16.875 | 16.875 | 0.8124 | -0.125 (-0.74%) | 9,400 |
| 2 Apr 1980 | USD | 17 | 17.75 | 16.75 | 17 | 0.8184 | +0.25 (+1.49%) | 11,200 |
| 1 Apr 1980 | USD | 16.75 | 16.75 | 16 | 16.75 | 0.8063 | +0.375 (+2.29%) | 12,100 |
