| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 15 Sep 1980 | USD | 16.875 | 17.125 | 16.875 | 16.875 | 33.75 | -0.375 (-2.17%) | 14,600 |
| 12 Sep 1980 | USD | 17.25 | 17.75 | 17.125 | 17.25 | 34.5 | -0.375 (-2.13%) | 12,100 |
| 11 Sep 1980 | USD | 17.625 | 17.75 | 17.125 | 17.625 | 35.25 | -0.125 (-0.70%) | 11,100 |
| 10 Sep 1980 | USD | 17.75 | 18 | 17.25 | 17.75 | 35.5 | -0.125 (-0.70%) | 19,100 |
| 9 Sep 1980 | USD | 17.875 | 17.875 | 16.625 | 17.875 | 35.75 | +1.25 (+7.52%) | 40,900 |
| 8 Sep 1980 | USD | 16.625 | 18.125 | 16.625 | 16.625 | 33.25 | -1.25 (-6.99%) | 30,700 |
| 5 Sep 1980 | USD | 17.875 | 18.25 | 16.375 | 17.875 | 35.75 | +1.25 (+7.52%) | 68,800 |
| 4 Sep 1980 | USD | 16.625 | 17.25 | 16.5 | 16.625 | 33.25 | -0.25 (-1.48%) | 31,200 |
| 3 Sep 1980 | USD | 16.875 | 17.625 | 16.5 | 16.875 | 33.75 | -0.875 (-4.93%) | 40,500 |
| 2 Sep 1980 | USD | 17.75 | 17.75 | 16.5 | 17.75 | 35.5 | +1.625 (+10.08%) | 56,500 |
| 29 Aug 1980 | USD | 16.125 | 16.25 | 15 | 16.125 | 32.25 | +0.625 (+4.03%) | 69,700 |
| 28 Aug 1980 | USD | 15.5 | 16 | 14.375 | 15.5 | 31 | +1.25 (+8.77%) | 201,400 |
| 27 Aug 1980 | USD | 14.25 | 14.625 | 14 | 14.25 | 28.5 | +0.375 (+2.70%) | 70,400 |
| 26 Aug 1980 | USD | 13.875 | 13.875 | 12.875 | 13.875 | 27.75 | +1 (+7.77%) | 31,600 |
| 25 Aug 1980 | USD | 12.875 | 12.875 | 12.375 | 12.875 | 25.75 | +0.125 (+0.98%) | 20,900 |
| 22 Aug 1980 | USD | 12.75 | 12.875 | 12.5 | 12.75 | 25.5 | +0.375 (+3.03%) | 9,500 |
| 21 Aug 1980 | USD | 12.375 | 12.625 | 12.375 | 12.375 | 24.75 | -0.25 (-1.98%) | 7,600 |
| 20 Aug 1980 | USD | 12.625 | 13 | 12.625 | 12.625 | 25.25 | -0.25 (-1.94%) | 7,700 |
| 19 Aug 1980 | USD | 12.875 | 13 | 12.5 | 12.875 | 25.75 | +0.375 (+3%) | 7,900 |
| 18 Aug 1980 | USD | 12.5 | 12.875 | 12.25 | 12.5 | 25 | +0.125 (+1.01%) | 4,800 |
| 15 Aug 1980 | USD | 12.375 | 13 | 12.375 | 12.375 | 24.75 | -0.625 (-4.81%) | 6,100 |
| 14 Aug 1980 | USD | 13 | 13.125 | 13 | 13 | 26 | +0.125 (+0.97%) | 4,000 |
| 13 Aug 1980 | USD | 12.875 | 13.125 | 12.875 | 12.875 | 25.75 | -0.25 (-1.90%) | 5,200 |
| 12 Aug 1980 | USD | 13.125 | 13.5 | 12.5 | 13.125 | 26.25 | -0.125 (-0.94%) | 15,400 |
| 11 Aug 1980 | USD | 13.25 | 13.25 | 12.75 | 13.25 | 26.5 | +0.25 (+1.92%) | 9,300 |
| 8 Aug 1980 | USD | 13 | 13.125 | 12.75 | 13 | 26 | +0.125 (+0.97%) | 15,600 |
| 7 Aug 1980 | USD | 12.875 | 13.25 | 12.875 | 12.875 | 25.75 | -0.5 (-3.74%) | 5,700 |
| 6 Aug 1980 | USD | 13.375 | 13.625 | 13.25 | 13.375 | 26.75 | +0.125 (+0.94%) | 16,700 |
| 5 Aug 1980 | USD | 13.25 | 13.875 | 13.25 | 13.25 | 26.5 | -0.375 (-2.75%) | 13,800 |
| 4 Aug 1980 | USD | 13.625 | 13.625 | 13.25 | 13.625 | 27.25 | -0.375 (-2.68%) | 19,100 |
