| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 13 May 1980 | USD | 19.752 | 20.751 | 19.752 | 19.752 | 1.9508 | +0.252 (+1.29%) | 3,100 |
| 12 May 1980 | USD | 19.5 | 20.502 | 19.5 | 19.5 | 1.9259 | 0.0 (0.0%) | 9,600 |
| 9 May 1980 | USD | 19.5 | 20.502 | 19.5 | 19.5 | 1.9259 | -0.501 (-2.50%) | 3,900 |
| 8 May 1980 | USD | 20.001 | 21 | 20.001 | 20.001 | 1.9754 | +0.501 (+2.57%) | 7,900 |
| 7 May 1980 | USD | 19.5 | 20.502 | 19.5 | 19.5 | 1.9259 | +0.498 (+2.62%) | 2,400 |
| 6 May 1980 | USD | 19.002 | 20.001 | 19.002 | 19.002 | 1.8767 | +0.75 (+4.11%) | 8,700 |
| 5 May 1980 | USD | 18.252 | 19.251 | 18.252 | 18.252 | 1.8027 | 0.0 (0.0%) | 200 |
| 2 May 1980 | USD | 18.252 | 19.251 | 18.252 | 18.252 | 1.8027 | +0.252 (+1.40%) | 900 |
| 1 May 1980 | USD | 18 | 19.002 | 18 | 18 | 1.7778 | +0.249 (+1.40%) | 900 |
| 30 Apr 1980 | USD | 17.751 | 18.75 | 17.751 | 17.751 | 1.7532 | 0.0 (0.0%) | 2,500 |
| 29 Apr 1980 | USD | 17.751 | 18.75 | 17.751 | 17.751 | 1.7532 | 0.0 (0.0%) | 600 |
| 28 Apr 1980 | USD | 17.751 | 18.75 | 17.751 | 17.751 | 1.7532 | 0.0 (0.0%) | 1,100 |
| 25 Apr 1980 | USD | 17.751 | 18.75 | 17.751 | 17.751 | 1.7532 | 0.0 (0.0%) | 900 |
| 24 Apr 1980 | USD | 17.751 | 18.75 | 17.751 | 17.751 | 1.7532 | 0.0 (0.0%) | 2,700 |
| 23 Apr 1980 | USD | 17.751 | 18.75 | 17.751 | 17.751 | 1.7532 | +0.249 (+1.42%) | 6,000 |
| 22 Apr 1980 | USD | 17.502 | 18.501 | 17.502 | 17.502 | 1.7286 | 0.0 (0.0%) | 2,700 |
| 21 Apr 1980 | USD | 17.502 | 18.501 | 17.502 | 17.502 | 1.7286 | 0.0 (0.0%) | 200 |
| 18 Apr 1980 | USD | 17.502 | 18.501 | 17.502 | 17.502 | 1.7286 | 0.0 (0.0%) | 1,400 |
| 17 Apr 1980 | USD | 17.502 | 18.501 | 17.502 | 17.502 | 1.7286 | 0.0 (0.0%) | 1,400 |
| 16 Apr 1980 | USD | 17.502 | 18.501 | 17.502 | 17.502 | 1.7286 | -0.249 (-1.40%) | 5,800 |
| 15 Apr 1980 | USD | 17.751 | 18.75 | 17.751 | 17.751 | 1.7532 | -0.249 (-1.38%) | 4,800 |
| 14 Apr 1980 | USD | 18 | 19.002 | 18 | 18 | 1.7778 | 0.0 (0.0%) | 600 |
| 11 Apr 1980 | USD | 18 | 19.002 | 18 | 18 | 1.7778 | +0.249 (+1.40%) | 7,100 |
| 10 Apr 1980 | USD | 17.751 | 18.75 | 17.751 | 17.751 | 1.7532 | +0.249 (+1.42%) | 900 |
| 9 Apr 1980 | USD | 17.502 | 18.501 | 17.502 | 17.502 | 1.7286 | +0.252 (+1.46%) | 2,500 |
| 8 Apr 1980 | USD | 17.25 | 18.252 | 17.25 | 17.25 | 1.7037 | 0.0 (0.0%) | 800 |
| 7 Apr 1980 | USD | 17.25 | 18.252 | 17.25 | 17.25 | 1.7037 | 0.0 (0.0%) | 1,700 |
| 3 Apr 1980 | USD | 17.25 | 18.252 | 17.25 | 17.25 | 1.7037 | +0.249 (+1.46%) | 5,500 |
| 2 Apr 1980 | USD | 17.001 | 18 | 17.001 | 17.001 | 1.6791 | 0.0 (0.0%) | 600 |
| 1 Apr 1980 | USD | 17.001 | 18 | 17.001 | 17.001 | 1.6791 | +0.249 (+1.49%) | 3,600 |
