| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 11 Sep 1980 | USD | 40.75 | 41.5 | 40.75 | 40.75 | 20.375 | +4.25 (+11.64%) | 32,400 |
| 10 Sep 1980 | USD | 36.5 | 37 | 36.5 | 36.5 | 18.25 | +0.5 (+1.39%) | 9,100 |
| 9 Sep 1980 | USD | 36 | 36.75 | 36 | 36 | 18 | -0.25 (-0.69%) | 6,800 |
| 8 Sep 1980 | USD | 36.25 | 36.75 | 36.25 | 36.25 | 18.125 | -0.25 (-0.68%) | 3,900 |
| 5 Sep 1980 | USD | 36.5 | 36.75 | 36.5 | 36.5 | 18.25 | +0.25 (+0.69%) | 5,800 |
| 4 Sep 1980 | USD | 36.25 | 37 | 36.25 | 36.25 | 18.125 | -0.25 (-0.68%) | 14,800 |
| 3 Sep 1980 | USD | 36.5 | 36.75 | 36.5 | 36.5 | 18.25 | +2 (+5.80%) | 9,300 |
| 2 Sep 1980 | USD | 34.5 | 34.75 | 34.5 | 34.5 | 17.25 | +0.5 (+1.47%) | 3,000 |
| 29 Aug 1980 | USD | 34 | 34.75 | 34 | 34 | 17 | 0.0 (0.0%) | 600 |
| 28 Aug 1980 | USD | 34 | 34.75 | 34 | 34 | 17 | -0.5 (-1.45%) | 1,700 |
| 27 Aug 1980 | USD | 34.5 | 35.25 | 34.5 | 34.5 | 17.25 | -0.5 (-1.43%) | 5,800 |
| 26 Aug 1980 | USD | 35 | 35.5 | 35 | 35 | 17.5 | +1 (+2.94%) | 6,600 |
| 25 Aug 1980 | USD | 34 | 34.5 | 34 | 34 | 17 | -1.5 (-4.23%) | 5,400 |
| 22 Aug 1980 | USD | 35.5 | 36 | 35.5 | 35.5 | 17.75 | -1 (-2.74%) | 7,800 |
| 21 Aug 1980 | USD | 36.5 | 37 | 36.5 | 36.5 | 18.25 | +2.25 (+6.57%) | 9,300 |
| 20 Aug 1980 | USD | 34.25 | 35 | 34.25 | 34.25 | 17.125 | +2 (+6.20%) | 9,800 |
| 19 Aug 1980 | USD | 32.25 | 32.75 | 32.25 | 32.25 | 16.125 | +0.25 (+0.78%) | 3,000 |
| 18 Aug 1980 | USD | 32 | 32.5 | 32 | 32 | 16 | 0.0 (0.0%) | 2,300 |
| 15 Aug 1980 | USD | 32 | 32.5 | 32 | 32 | 16 | -0.5 (-1.54%) | 8,600 |
| 14 Aug 1980 | USD | 32.5 | 33 | 32.5 | 32.5 | 16.25 | +0.5 (+1.56%) | 8,000 |
| 13 Aug 1980 | USD | 32 | 33 | 32 | 32 | 16 | +0.5 (+1.59%) | 8,700 |
| 12 Aug 1980 | USD | 31.5 | 32.25 | 31.5 | 31.5 | 15.75 | +1.25 (+4.13%) | 9,600 |
| 11 Aug 1980 | USD | 30.25 | 30.75 | 30.25 | 30.25 | 15.125 | +1 (+3.42%) | 8,700 |
| 8 Aug 1980 | USD | 29.25 | 29.75 | 29.25 | 29.25 | 14.625 | 0.0 (0.0%) | 6,800 |
| 7 Aug 1980 | USD | 29.25 | 29.75 | 29.25 | 29.25 | 14.625 | +0.25 (+0.86%) | 3,900 |
| 6 Aug 1980 | USD | 29 | 29.5 | 29 | 29 | 14.5 | +0.25 (+0.87%) | 5,800 |
| 5 Aug 1980 | USD | 28.75 | 29.5 | 28.75 | 28.75 | 14.375 | -0.25 (-0.86%) | 3,100 |
| 4 Aug 1980 | USD | 29 | 29.5 | 29 | 29 | 14.5 | 0.0 (0.0%) | 2,000 |
| 1 Aug 1980 | USD | 29 | 29.5 | 29 | 29 | 14.5 | -0.25 (-0.85%) | 2,600 |
| 31 Jul 1980 | USD | 29.25 | 29.75 | 29.25 | 29.25 | 14.625 | -0.25 (-0.85%) | 3,800 |
