| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 17 Sep 1980 | USD | 35.75 | 36.876 | 35.75 | 35.75 | 0.3724 | +0.251 (+0.71%) | 17,801 |
| 16 Sep 1980 | USD | 35.499 | 35.625 | 35 | 35.499 | 0.3698 | +0.499 (+1.43%) | 8,900 |
| 15 Sep 1980 | USD | 35 | 35.374 | 34.75 | 35 | 0.3646 | +1.5 (+4.48%) | 17,501 |
| 12 Sep 1980 | USD | 33.5 | 33.626 | 33.375 | 33.5 | 0.349 | +0.499 (+1.51%) | 4,100 |
| 11 Sep 1980 | USD | 33.001 | 33.001 | 32.5 | 33.001 | 0.3438 | +0.752 (+2.33%) | 8,301 |
| 10 Sep 1980 | USD | 32.249 | 32.249 | 31.875 | 32.249 | 0.3359 | +0.749 (+2.38%) | 3,200 |
| 9 Sep 1980 | USD | 31.5 | 31.752 | 31.5 | 31.5 | 0.3281 | -0.375 (-1.18%) | 4,000 |
| 8 Sep 1980 | USD | 31.875 | 31.999 | 31.875 | 31.875 | 0.332 | +0.25 (+0.79%) | 1,501 |
| 5 Sep 1980 | USD | 31.625 | 31.875 | 31.5 | 31.625 | 0.3294 | -0.501 (-1.56%) | 4,400 |
| 4 Sep 1980 | USD | 32.126 | 32.5 | 32.126 | 32.126 | 0.3346 | +0.501 (+1.58%) | 34,400 |
| 3 Sep 1980 | USD | 31.625 | 32.126 | 31.625 | 31.625 | 0.3294 | -0.127 (-0.40%) | 32,800 |
| 2 Sep 1980 | USD | 31.752 | 31.752 | 31.124 | 31.752 | 0.3307 | +0.752 (+2.43%) | 3,401 |
| 29 Aug 1980 | USD | 31 | 31.5 | 31 | 31 | 0.3229 | 0.0 (0.0%) | 4,701 |
| 28 Aug 1980 | USD | 31 | 31.249 | 31 | 31 | 0.3229 | -0.124 (-0.40%) | 11,801 |
| 27 Aug 1980 | USD | 31.124 | 31.249 | 31 | 31.124 | 0.3242 | +0.372 (+1.21%) | 4,201 |
| 26 Aug 1980 | USD | 30.752 | 31 | 30.249 | 30.752 | 0.3203 | +0.503 (+1.66%) | 13,901 |
| 25 Aug 1980 | USD | 30.249 | 30.249 | 30.249 | 30.249 | 0.3151 | 0.0 (0.0%) | 2,201 |
| 22 Aug 1980 | USD | 30.249 | 30.374 | 30 | 30.249 | 0.3151 | +0.5 (+1.68%) | 18,800 |
| 21 Aug 1980 | USD | 29.749 | 30 | 29.626 | 29.749 | 0.3099 | -0.5 (-1.65%) | 8,900 |
| 20 Aug 1980 | USD | 30.249 | 30.501 | 30.249 | 30.249 | 0.3151 | -0.376 (-1.23%) | 1,501 |
| 19 Aug 1980 | USD | 30.625 | 30.752 | 30.625 | 30.625 | 0.319 | +0.124 (+0.41%) | 2,301 |
| 18 Aug 1980 | USD | 30.501 | 30.875 | 30.501 | 30.501 | 0.3177 | +0.252 (+0.83%) | 6,601 |
| 15 Aug 1980 | USD | 30.249 | 30.752 | 30.249 | 30.249 | 0.3151 | -0.503 (-1.64%) | 4,900 |
| 14 Aug 1980 | USD | 30.752 | 30.752 | 30.374 | 30.752 | 0.3203 | +0.752 (+2.51%) | 13,901 |
| 13 Aug 1980 | USD | 30 | 30.625 | 29.875 | 30 | 0.3125 | +0.251 (+0.84%) | 44,201 |
| 12 Aug 1980 | USD | 29.749 | 30.125 | 29.501 | 29.749 | 0.3099 | +1.499 (+5.31%) | 28,400 |
| 11 Aug 1980 | USD | 28.25 | 28.25 | 28.25 | 28.25 | 0.2943 | 0.0 (0.0%) | 1,300 |
| 8 Aug 1980 | USD | 28.25 | 28.375 | 28.25 | 28.25 | 0.2943 | -0.125 (-0.44%) | 4,601 |
| 7 Aug 1980 | USD | 28.375 | 28.5 | 28.375 | 28.375 | 0.2956 | 0.0 (0.0%) | 3,001 |
| 6 Aug 1980 | USD | 28.375 | 28.375 | 28.375 | 28.375 | 0.2956 | 0.0 (0.0%) | 5,700 |
