| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 20 Jun 1980 | USD | 12.25 | 12.625 | 12.25 | 12.25 | 12.25 | -0.125 (-1.01%) | 17,700 |
| 19 Jun 1980 | USD | 12.375 | 12.75 | 12.375 | 12.375 | 12.375 | +0.375 (+3.13%) | 16,500 |
| 18 Jun 1980 | USD | 12 | 12.375 | 12 | 12 | 12 | -0.125 (-1.03%) | 18,800 |
| 17 Jun 1980 | USD | 12.125 | 12.5 | 12.125 | 12.125 | 12.125 | +0.375 (+3.19%) | 18,400 |
| 16 Jun 1980 | USD | 11.75 | 12.125 | 11.75 | 11.75 | 11.75 | -0.25 (-2.08%) | 9,200 |
| 13 Jun 1980 | USD | 12 | 12.375 | 12 | 12 | 12 | +0.125 (+1.05%) | 17,400 |
| 12 Jun 1980 | USD | 11.875 | 12.25 | 11.875 | 11.875 | 11.875 | +0.25 (+2.15%) | 11,900 |
| 11 Jun 1980 | USD | 11.625 | 12 | 11.625 | 11.625 | 11.625 | -0.125 (-1.06%) | 37,300 |
| 10 Jun 1980 | USD | 11.75 | 12.125 | 11.75 | 11.75 | 11.75 | -0.625 (-5.05%) | 46,500 |
| 9 Jun 1980 | USD | 12.375 | 12.75 | 12.375 | 12.375 | 12.375 | +0.625 (+5.32%) | 51,200 |
| 6 Jun 1980 | USD | 11.75 | 12.125 | 11.75 | 11.75 | 11.75 | +0.25 (+2.17%) | 22,200 |
| 5 Jun 1980 | USD | 11.5 | 11.875 | 11.5 | 11.5 | 11.5 | 0.0 (0.0%) | 21,500 |
| 4 Jun 1980 | USD | 11.5 | 11.875 | 11.5 | 11.5 | 11.5 | +0.625 (+5.75%) | 56,100 |
| 3 Jun 1980 | USD | 10.875 | 11.25 | 10.875 | 10.875 | 10.875 | +0.125 (+1.16%) | 21,600 |
| 2 Jun 1980 | USD | 10.75 | 11.125 | 10.75 | 10.75 | 10.75 | +0.25 (+2.38%) | 28,600 |
| 30 May 1980 | USD | 10.5 | 10.875 | 10.5 | 10.5 | 10.5 | +0.25 (+2.44%) | 19,700 |
| 29 May 1980 | USD | 10.25 | 10.625 | 10.25 | 10.25 | 10.25 | +0.125 (+1.23%) | 12,100 |
| 28 May 1980 | USD | 10.125 | 10.5 | 10.125 | 10.125 | 10.125 | +0.125 (+1.25%) | 24,200 |
| 27 May 1980 | USD | 10 | 10.375 | 10 | 10 | 10 | +0.25 (+2.56%) | 21,300 |
| 26 May 1980 | USD | 9.75 | 9.75 | 9.75 | 9.75 | 9.75 | 0.0 (0.0%) | 0 |
| 23 May 1980 | USD | 9.75 | 10.125 | 9.75 | 9.75 | 9.75 | +0.125 (+1.30%) | 8,400 |
| 22 May 1980 | USD | 9.625 | 10 | 9.625 | 9.625 | 9.625 | -0.125 (-1.28%) | 14,400 |
| 21 May 1980 | USD | 9.75 | 10.125 | 9.75 | 9.75 | 9.75 | 0.0 (0.0%) | 13,300 |
| 20 May 1980 | USD | 9.75 | 10.125 | 9.75 | 9.75 | 9.75 | +0.25 (+2.63%) | 10,800 |
| 19 May 1980 | USD | 9.5 | 9.875 | 9.5 | 9.5 | 9.5 | -0.375 (-3.80%) | 11,400 |
| 16 May 1980 | USD | 9.875 | 10.25 | 9.875 | 9.875 | 9.875 | +0.875 (+9.72%) | 27,400 |
| 15 May 1980 | USD | 9 | 9.375 | 9 | 9 | 9 | -0.125 (-1.37%) | 9,900 |
| 14 May 1980 | USD | 9.125 | 9.5 | 9.125 | 9.125 | 9.125 | +0.625 (+7.35%) | 18,400 |
| 13 May 1980 | USD | 8.5 | 8.875 | 8.5 | 8.5 | 8.5 | +0.375 (+4.62%) | 25,500 |
| 12 May 1980 | USD | 8.125 | 8.5 | 8.125 | 8.125 | 8.125 | -0.125 (-1.52%) | 33,600 |
