| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 May 1980 | USD | 15.875 | 15.875 | 15.376 | 15.875 | 1.3229 | 0.0 (0.0%) | 4,600 |
| 9 May 1980 | USD | 15.875 | 15.875 | 15.501 | 15.875 | 1.3229 | -0.25 (-1.55%) | 3,801 |
| 8 May 1980 | USD | 16.125 | 16.875 | 16.125 | 16.125 | 1.3438 | -0.627 (-3.74%) | 3,501 |
| 7 May 1980 | USD | 16.752 | 16.752 | 16 | 16.752 | 1.396 | +0.376 (+2.30%) | 4,000 |
| 6 May 1980 | USD | 16.376 | 16.376 | 16 | 16.376 | 1.3647 | +0.376 (+2.35%) | 3,300 |
| 5 May 1980 | USD | 16 | 16.251 | 16 | 16 | 1.3333 | -0.376 (-2.30%) | 1,300 |
| 2 May 1980 | USD | 16.376 | 16.376 | 16 | 16.376 | 1.3647 | -0.125 (-0.76%) | 2,200 |
| 1 May 1980 | USD | 16.501 | 16.627 | 16.501 | 16.501 | 1.3751 | 0.0 (0.0%) | 300 |
| 30 Apr 1980 | USD | 16.501 | 16.875 | 16.501 | 16.501 | 1.3751 | -0.499 (-2.94%) | 2,400 |
| 29 Apr 1980 | USD | 17 | 17.376 | 17 | 17 | 1.4167 | 0.0 (0.0%) | 2,301 |
| 28 Apr 1980 | USD | 17 | 17.501 | 17 | 17 | 1.4167 | 0.0 (0.0%) | 3,600 |
| 25 Apr 1980 | USD | 17 | 17 | 15.875 | 17 | 1.4167 | +0.749 (+4.61%) | 5,700 |
| 24 Apr 1980 | USD | 16.251 | 16.752 | 16.125 | 16.251 | 1.3543 | 0.0 (0.0%) | 2,800 |
| 23 Apr 1980 | USD | 16.251 | 16.875 | 16.125 | 16.251 | 1.3543 | -0.624 (-3.70%) | 3,801 |
| 22 Apr 1980 | USD | 16.875 | 17.627 | 15.125 | 16.875 | 1.4063 | +2.123 (+14.39%) | 23,500 |
| 21 Apr 1980 | USD | 14.752 | 14.875 | 14.752 | 14.752 | 1.2293 | 0.0 (0.0%) | 1,300 |
| 18 Apr 1980 | USD | 14.752 | 15.125 | 14.752 | 14.752 | 1.2293 | -0.499 (-3.27%) | 7,300 |
| 17 Apr 1980 | USD | 15.251 | 15.501 | 15.125 | 15.251 | 1.2709 | -0.376 (-2.41%) | 2,001 |
| 16 Apr 1980 | USD | 15.627 | 16.501 | 15.627 | 15.627 | 1.3023 | -0.498 (-3.09%) | 1,900 |
| 15 Apr 1980 | USD | 16.125 | 16.875 | 16.125 | 16.125 | 1.3438 | -0.75 (-4.44%) | 2,301 |
| 14 Apr 1980 | USD | 16.875 | 17.251 | 16.875 | 16.875 | 1.4063 | -0.125 (-0.74%) | 4,000 |
| 11 Apr 1980 | USD | 17 | 17 | 15.501 | 17 | 1.4167 | +1.624 (+10.56%) | 32,001 |
| 10 Apr 1980 | USD | 15.376 | 15.627 | 15.376 | 15.376 | 1.2813 | +0.376 (+2.51%) | 5,400 |
| 9 Apr 1980 | USD | 15 | 15.125 | 15 | 15 | 1.25 | 0.0 (0.0%) | 1,800 |
| 8 Apr 1980 | USD | 15 | 15.251 | 14.376 | 15 | 1.25 | +0.125 (+0.84%) | 3,100 |
| 7 Apr 1980 | USD | 14.875 | 15.125 | 14.501 | 14.875 | 1.2396 | -0.376 (-2.47%) | 9,501 |
| 3 Apr 1980 | USD | 15.251 | 15.501 | 15 | 15.251 | 1.2709 | 0.0 (0.0%) | 4,300 |
| 2 Apr 1980 | USD | 15.251 | 15.251 | 14.501 | 15.251 | 1.2709 | +0.251 (+1.67%) | 8,700 |
| 1 Apr 1980 | USD | 15 | 15.251 | 15 | 15 | 1.25 | -0.501 (-3.23%) | 13,200 |
| 31 Mar 1980 | USD | 15.501 | 15.875 | 15.251 | 15.501 | 1.2918 | +0.125 (+0.81%) | 6,700 |
