| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 19 May 1980 | USD | 6.375 | 6.875 | 6.375 | 6.375 | 1.5938 | -0.125 (-1.92%) | 24,300 |
| 16 May 1980 | USD | 6.5 | 7 | 6.5 | 6.5 | 1.625 | 0.0 (0.0%) | 19,800 |
| 15 May 1980 | USD | 6.5 | 7 | 6.5 | 6.5 | 1.625 | +0.125 (+1.96%) | 13,800 |
| 14 May 1980 | USD | 6.375 | 6.875 | 6.375 | 6.375 | 1.5938 | -0.125 (-1.92%) | 26,700 |
| 13 May 1980 | USD | 6.5 | 7 | 6.5 | 6.5 | 1.625 | -0.125 (-1.89%) | 22,400 |
| 12 May 1980 | USD | 6.625 | 7.125 | 6.625 | 6.625 | 1.6562 | 0.0 (0.0%) | 8,400 |
| 9 May 1980 | USD | 6.625 | 7.125 | 6.625 | 6.625 | 1.6562 | 0.0 (0.0%) | 20,200 |
| 8 May 1980 | USD | 6.625 | 7.125 | 6.625 | 6.625 | 1.6562 | +0.25 (+3.92%) | 48,100 |
| 7 May 1980 | USD | 6.375 | 6.875 | 6.375 | 6.375 | 1.5938 | 0.0 (0.0%) | 20,900 |
| 6 May 1980 | USD | 6.375 | 6.875 | 6.375 | 6.375 | 1.5938 | -0.125 (-1.92%) | 23,500 |
| 5 May 1980 | USD | 6.5 | 7 | 6.5 | 6.5 | 1.625 | 0.0 (0.0%) | 6,300 |
| 2 May 1980 | USD | 6.5 | 7 | 6.5 | 6.5 | 1.625 | 0.0 (0.0%) | 11,300 |
| 1 May 1980 | USD | 6.5 | 7 | 6.5 | 6.5 | 1.625 | -0.25 (-3.70%) | 15,800 |
| 30 Apr 1980 | USD | 6.75 | 7.25 | 6.75 | 6.75 | 1.6875 | +0.125 (+1.89%) | 20,700 |
| 29 Apr 1980 | USD | 6.625 | 7.125 | 6.625 | 6.625 | 1.6562 | +0.125 (+1.92%) | 15,700 |
| 28 Apr 1980 | USD | 6.5 | 7 | 6.5 | 6.5 | 1.625 | 0.0 (0.0%) | 19,900 |
| 25 Apr 1980 | USD | 6.5 | 7 | 6.5 | 6.5 | 1.625 | +0.125 (+1.96%) | 23,900 |
| 24 Apr 1980 | USD | 6.375 | 6.875 | 6.375 | 6.375 | 1.5938 | +0.375 (+6.25%) | 19,100 |
| 23 Apr 1980 | USD | 6 | 6.5 | 6 | 6 | 1.5 | 0.0 (0.0%) | 28,200 |
| 22 Apr 1980 | USD | 6 | 6.5 | 6 | 6 | 1.5 | +0.5 (+9.09%) | 20,300 |
| 21 Apr 1980 | USD | 5.5 | 6 | 5.5 | 5.5 | 1.375 | -0.25 (-4.35%) | 21,000 |
| 18 Apr 1980 | USD | 5.75 | 6.25 | 5.75 | 5.75 | 1.4375 | +0.25 (+4.55%) | 17,300 |
| 17 Apr 1980 | USD | 5.5 | 6 | 5.5 | 5.5 | 1.375 | -0.125 (-2.22%) | 11,100 |
| 16 Apr 1980 | USD | 5.625 | 6.125 | 5.625 | 5.625 | 1.4062 | 0.0 (0.0%) | 17,400 |
| 15 Apr 1980 | USD | 5.625 | 6.125 | 5.625 | 5.625 | 1.4062 | 0.0 (0.0%) | 9,800 |
| 14 Apr 1980 | USD | 5.625 | 6.125 | 5.625 | 5.625 | 1.4062 | -0.25 (-4.26%) | 13,700 |
| 11 Apr 1980 | USD | 5.875 | 6.375 | 5.875 | 5.875 | 1.4688 | +0.125 (+2.17%) | 28,800 |
| 10 Apr 1980 | USD | 5.75 | 6.25 | 5.75 | 5.75 | 1.4375 | +0.25 (+4.55%) | 13,600 |
| 9 Apr 1980 | USD | 5.5 | 6 | 5.5 | 5.5 | 1.375 | +0.5 (+10%) | 31,200 |
| 8 Apr 1980 | USD | 5 | 5.5 | 5 | 5 | 1.25 | -0.125 (-2.44%) | 17,900 |
