| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 May 1980 | USD | 23.877 | 23.877 | 23.001 | 23.877 | 0.9949 | +1.125 (+4.94%) | 14,500 |
| 21 May 1980 | USD | 22.752 | 23.001 | 22.752 | 22.752 | 0.948 | -0.498 (-2.14%) | 7,600 |
| 20 May 1980 | USD | 23.25 | 24 | 22.752 | 23.25 | 0.9688 | -0.627 (-2.63%) | 53,400 |
| 19 May 1980 | USD | 23.877 | 24 | 23.877 | 23.877 | 0.9949 | -0.123 (-0.51%) | 3,000 |
| 16 May 1980 | USD | 24 | 24.501 | 24 | 24 | 1 | -0.501 (-2.04%) | 35,200 |
| 15 May 1980 | USD | 24.501 | 25.002 | 24.501 | 24.501 | 1.0209 | -0.501 (-2.00%) | 14,400 |
| 14 May 1980 | USD | 25.002 | 25.002 | 24.75 | 25.002 | 1.0417 | +0.375 (+1.52%) | 24,400 |
| 13 May 1980 | USD | 24.627 | 24.75 | 24.126 | 24.627 | 1.0261 | +0.375 (+1.55%) | 30,100 |
| 12 May 1980 | USD | 24.252 | 24.501 | 24.252 | 24.252 | 1.0105 | -0.249 (-1.02%) | 43,500 |
| 9 May 1980 | USD | 24.501 | 24.876 | 24.501 | 24.501 | 1.0209 | -0.249 (-1.01%) | 24,100 |
| 8 May 1980 | USD | 24.75 | 25.251 | 24.627 | 24.75 | 1.0312 | 0.0 (0.0%) | 68,800 |
| 7 May 1980 | USD | 24.75 | 24.75 | 23.625 | 24.75 | 1.0312 | +0.75 (+3.13%) | 28,900 |
| 6 May 1980 | USD | 24 | 24.252 | 23.751 | 24 | 1 | +0.999 (+4.34%) | 22,800 |
| 5 May 1980 | USD | 23.001 | 23.25 | 22.251 | 23.001 | 0.9584 | +0.249 (+1.09%) | 18,700 |
| 2 May 1980 | USD | 22.752 | 22.752 | 22.626 | 22.752 | 0.948 | 0.0 (0.0%) | 3,400 |
| 1 May 1980 | USD | 22.752 | 22.752 | 22.377 | 22.752 | 0.948 | +0.126 (+0.56%) | 5,300 |
| 30 Apr 1980 | USD | 22.626 | 22.626 | 22.002 | 22.626 | 0.9427 | +0.375 (+1.69%) | 6,800 |
| 29 Apr 1980 | USD | 22.251 | 22.5 | 22.251 | 22.251 | 0.9271 | -0.249 (-1.11%) | 2,800 |
| 28 Apr 1980 | USD | 22.5 | 22.626 | 22.251 | 22.5 | 0.9375 | -0.375 (-1.64%) | 6,400 |
| 25 Apr 1980 | USD | 22.875 | 22.875 | 22.251 | 22.875 | 0.9531 | +0.498 (+2.23%) | 30,000 |
| 24 Apr 1980 | USD | 22.377 | 22.875 | 22.377 | 22.377 | 0.9324 | -0.375 (-1.65%) | 14,200 |
| 23 Apr 1980 | USD | 22.752 | 23.001 | 22.377 | 22.752 | 0.948 | +0.252 (+1.12%) | 7,700 |
| 22 Apr 1980 | USD | 22.5 | 22.626 | 22.002 | 22.5 | 0.9375 | +0.498 (+2.26%) | 34,800 |
| 21 Apr 1980 | USD | 22.002 | 22.626 | 22.002 | 22.002 | 0.9167 | -0.873 (-3.82%) | 21,000 |
| 18 Apr 1980 | USD | 22.875 | 23.001 | 22.626 | 22.875 | 0.9531 | -0.252 (-1.09%) | 30,400 |
| 17 Apr 1980 | USD | 23.127 | 23.25 | 23.001 | 23.127 | 0.9636 | +0.126 (+0.55%) | 3,700 |
| 16 Apr 1980 | USD | 23.001 | 23.376 | 23.001 | 23.001 | 0.9584 | +0.249 (+1.09%) | 37,400 |
| 15 Apr 1980 | USD | 22.752 | 23.001 | 22.752 | 22.752 | 0.948 | 0.0 (0.0%) | 1,400 |
| 14 Apr 1980 | USD | 22.752 | 23.001 | 22.752 | 22.752 | 0.948 | 0.0 (0.0%) | 13,900 |
| 11 Apr 1980 | USD | 22.752 | 23.127 | 22.752 | 22.752 | 0.948 | -0.624 (-2.67%) | 9,000 |
