| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 14 May 1980 | USD | 21.5 | 21.752 | 21.128 | 21.5 | 1.7617 | +0.5 (+2.38%) | 19,300 |
| 13 May 1980 | USD | 21 | 21.5 | 20.5 | 21 | 1.7207 | +0.748 (+3.69%) | 22,300 |
| 12 May 1980 | USD | 20.252 | 20.5 | 19.628 | 20.252 | 1.6595 | 0.0 (0.0%) | 12,100 |
| 9 May 1980 | USD | 20.252 | 20.876 | 20.252 | 20.252 | 1.6595 | -0.376 (-1.82%) | 13,900 |
| 8 May 1980 | USD | 20.628 | 21.128 | 20.252 | 20.628 | 1.6903 | +0.628 (+3.14%) | 38,800 |
| 7 May 1980 | USD | 20 | 20.252 | 18.5 | 20 | 1.6388 | +1.624 (+8.84%) | 35,200 |
| 6 May 1980 | USD | 18.376 | 18.376 | 18 | 18.376 | 1.5057 | -0.124 (-0.67%) | 8,400 |
| 5 May 1980 | USD | 18.5 | 19 | 18.252 | 18.5 | 1.5159 | -0.128 (-0.69%) | 11,100 |
| 2 May 1980 | USD | 18.628 | 19.128 | 18.628 | 18.628 | 1.5264 | -0.372 (-1.96%) | 6,200 |
| 1 May 1980 | USD | 19 | 19.128 | 18.876 | 19 | 1.5569 | +0.124 (+0.66%) | 5,800 |
| 30 Apr 1980 | USD | 18.876 | 19.128 | 18.628 | 18.876 | 1.5467 | -0.124 (-0.65%) | 6,400 |
| 29 Apr 1980 | USD | 19 | 19.376 | 18.752 | 19 | 1.5569 | +0.372 (+2.00%) | 8,900 |
| 28 Apr 1980 | USD | 18.628 | 19.252 | 18.5 | 18.628 | 1.5264 | +0.128 (+0.69%) | 9,700 |
| 25 Apr 1980 | USD | 18.5 | 18.752 | 18.376 | 18.5 | 1.5159 | -0.628 (-3.28%) | 5,100 |
| 24 Apr 1980 | USD | 19.128 | 19.128 | 18.752 | 19.128 | 1.5674 | +0.376 (+2.01%) | 5,100 |
| 23 Apr 1980 | USD | 18.752 | 19.5 | 18.752 | 18.752 | 1.5365 | +0.5 (+2.74%) | 13,600 |
| 22 Apr 1980 | USD | 18.252 | 18.252 | 16.628 | 18.252 | 1.4956 | +1.752 (+10.62%) | 10,700 |
| 21 Apr 1980 | USD | 16.5 | 17 | 16.5 | 16.5 | 1.352 | -0.5 (-2.94%) | 3,300 |
| 18 Apr 1980 | USD | 17 | 17.5 | 17 | 17 | 1.393 | 0.0 (0.0%) | 4,500 |
| 17 Apr 1980 | USD | 17 | 17 | 16.5 | 17 | 1.393 | +0.5 (+3.03%) | 7,300 |
| 16 Apr 1980 | USD | 16.5 | 17 | 16.5 | 16.5 | 1.352 | -0.128 (-0.77%) | 9,700 |
| 15 Apr 1980 | USD | 16.628 | 17 | 16.628 | 16.628 | 1.3625 | -0.372 (-2.19%) | 12,300 |
| 14 Apr 1980 | USD | 17 | 17.252 | 16.876 | 17 | 1.393 | -0.376 (-2.16%) | 6,000 |
| 11 Apr 1980 | USD | 17.376 | 17.752 | 17.376 | 17.376 | 1.4238 | -0.376 (-2.12%) | 2,200 |
| 10 Apr 1980 | USD | 17.752 | 18.252 | 17.5 | 17.752 | 1.4546 | +0.5 (+2.90%) | 12,900 |
| 9 Apr 1980 | USD | 17.252 | 17.5 | 16.628 | 17.252 | 1.4136 | +0.876 (+5.35%) | 6,900 |
| 8 Apr 1980 | USD | 16.376 | 16.5 | 16.252 | 16.376 | 1.3419 | +0.124 (+0.76%) | 7,500 |
| 7 Apr 1980 | USD | 16.252 | 16.5 | 16.252 | 16.252 | 1.3317 | 0.0 (0.0%) | 8,500 |
| 3 Apr 1980 | USD | 16.252 | 16.252 | 16 | 16.252 | 1.3317 | 0.0 (0.0%) | 1,600 |
| 2 Apr 1980 | USD | 16.252 | 16.376 | 15.876 | 16.252 | 1.3317 | +0.376 (+2.37%) | 7,800 |
