| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 16 May 1980 | USD | 23.75 | 24.25 | 23.5 | 23.75 | 5.9375 | -0.25 (-1.04%) | 5,900 |
| 15 May 1980 | USD | 24 | 24.375 | 23.75 | 24 | 6 | 0.0 (0.0%) | 13,700 |
| 14 May 1980 | USD | 24 | 24.5 | 23.625 | 24 | 6 | +0.25 (+1.05%) | 3,500 |
| 13 May 1980 | USD | 23.75 | 23.75 | 23 | 23.75 | 5.9375 | +0.375 (+1.60%) | 10,600 |
| 12 May 1980 | USD | 23.375 | 23.75 | 23 | 23.375 | 5.8438 | -0.5 (-2.09%) | 5,500 |
| 9 May 1980 | USD | 23.875 | 23.875 | 22.875 | 23.875 | 5.9688 | +0.625 (+2.69%) | 11,500 |
| 8 May 1980 | USD | 23.25 | 23.25 | 21.875 | 23.25 | 5.8125 | +1.5 (+6.90%) | 20,000 |
| 7 May 1980 | USD | 21.75 | 21.75 | 20.625 | 21.75 | 5.4375 | +0.75 (+3.57%) | 16,600 |
| 6 May 1980 | USD | 21 | 21.25 | 20.875 | 21 | 5.25 | -0.125 (-0.59%) | 400 |
| 5 May 1980 | USD | 21.125 | 21.625 | 21 | 21.125 | 5.2812 | -0.75 (-3.43%) | 2,200 |
| 2 May 1980 | USD | 21.875 | 22.875 | 21.5 | 21.875 | 5.4688 | -1.125 (-4.89%) | 5,700 |
| 1 May 1980 | USD | 23 | 23.5 | 22.25 | 23 | 5.75 | -0.75 (-3.16%) | 4,900 |
| 30 Apr 1980 | USD | 23.75 | 23.75 | 23 | 23.75 | 5.9375 | +0.25 (+1.06%) | 3,600 |
| 29 Apr 1980 | USD | 23.5 | 23.5 | 21.5 | 23.5 | 5.875 | +1.75 (+8.05%) | 14,400 |
| 28 Apr 1980 | USD | 21.75 | 22.375 | 21.75 | 21.75 | 5.4375 | -0.625 (-2.79%) | 7,700 |
| 25 Apr 1980 | USD | 22.375 | 22.375 | 20.75 | 22.375 | 5.5938 | +1.125 (+5.29%) | 21,500 |
| 24 Apr 1980 | USD | 21.25 | 21.25 | 20.5 | 21.25 | 5.3125 | +0.75 (+3.66%) | 2,600 |
| 23 Apr 1980 | USD | 20.5 | 21.25 | 20.5 | 20.5 | 5.125 | -0.125 (-0.61%) | 19,300 |
| 22 Apr 1980 | USD | 20.625 | 20.625 | 18.5 | 20.625 | 5.1562 | +2.375 (+13.01%) | 8,800 |
| 21 Apr 1980 | USD | 18.25 | 18.375 | 18.25 | 18.25 | 4.5625 | 0.0 (0.0%) | 300 |
| 18 Apr 1980 | USD | 18.25 | 18.625 | 18.25 | 18.25 | 4.5625 | -0.5 (-2.67%) | 1,100 |
| 17 Apr 1980 | USD | 18.75 | 18.75 | 18.75 | 18.75 | 4.6875 | -0.625 (-3.23%) | 2,200 |
| 16 Apr 1980 | USD | 19.375 | 20.625 | 19.375 | 19.375 | 4.8438 | -1.625 (-7.74%) | 4,900 |
| 15 Apr 1980 | USD | 21 | 21.375 | 21 | 21 | 5.25 | -0.625 (-2.89%) | 2,800 |
| 14 Apr 1980 | USD | 21.625 | 21.625 | 21.5 | 21.625 | 5.4062 | -0.375 (-1.70%) | 800 |
| 11 Apr 1980 | USD | 22 | 22.375 | 21.625 | 22 | 5.5 | 0.0 (0.0%) | 3,100 |
| 10 Apr 1980 | USD | 22 | 22.25 | 21.25 | 22 | 5.5 | +1.25 (+6.02%) | 11,600 |
| 9 Apr 1980 | USD | 20.75 | 20.75 | 18.75 | 20.75 | 5.1875 | +2.125 (+11.41%) | 8,900 |
| 8 Apr 1980 | USD | 18.625 | 18.625 | 17.875 | 18.625 | 4.6562 | -0.125 (-0.67%) | 7,300 |
| 7 Apr 1980 | USD | 18.75 | 19.375 | 18.75 | 18.75 | 4.6875 | -0.875 (-4.46%) | 700 |
