| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 5 May 1980 | USD | 16.25 | 16.25 | 15.875 | 16.25 | 0.52 | +0.125 (+0.78%) | 10,701 |
| 2 May 1980 | USD | 16.125 | 16.375 | 16 | 16.125 | 0.516 | -0.125 (-0.77%) | 8,900 |
| 1 May 1980 | USD | 16.25 | 16.5 | 16.25 | 16.25 | 0.52 | -0.25 (-1.52%) | 8,701 |
| 30 Apr 1980 | USD | 16.5 | 16.625 | 16.25 | 16.5 | 0.528 | +0.125 (+0.76%) | 4,100 |
| 29 Apr 1980 | USD | 16.375 | 16.625 | 16.375 | 16.375 | 0.524 | -0.125 (-0.76%) | 1,401 |
| 28 Apr 1980 | USD | 16.5 | 16.625 | 16.25 | 16.5 | 0.528 | +0.25 (+1.54%) | 6,701 |
| 25 Apr 1980 | USD | 16.25 | 16.25 | 16 | 16.25 | 0.52 | +0.125 (+0.78%) | 5,901 |
| 24 Apr 1980 | USD | 16.125 | 16.375 | 16 | 16.125 | 0.516 | -0.25 (-1.53%) | 9,301 |
| 23 Apr 1980 | USD | 16.375 | 16.375 | 16 | 16.375 | 0.524 | +0.25 (+1.55%) | 20,201 |
| 22 Apr 1980 | USD | 16.125 | 16.125 | 15.25 | 16.125 | 0.516 | +1 (+6.61%) | 15,601 |
| 21 Apr 1980 | USD | 15.125 | 15.375 | 15.125 | 15.125 | 0.484 | 0.0 (0.0%) | 1,001 |
| 18 Apr 1980 | USD | 15.125 | 15.75 | 15.125 | 15.125 | 0.484 | -0.375 (-2.42%) | 15,901 |
| 17 Apr 1980 | USD | 15.5 | 15.625 | 15.25 | 15.5 | 0.496 | -0.25 (-1.59%) | 7,300 |
| 16 Apr 1980 | USD | 15.75 | 16.125 | 15.625 | 15.75 | 0.504 | +0.005 (+0.94%) | 5,700 |
| 16 Apr 1980 |
|
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| 15 Apr 1980 | USD | 19.505 | 20 | 19.505 | 19.505 | 0.4993 | -0.248 (-1.26%) | 1,201 |
| 14 Apr 1980 | USD | 19.753 | 20.13 | 19.753 | 19.753 | 0.5057 | -0.625 (-3.07%) | 5,200 |
| 11 Apr 1980 | USD | 20.378 | 20.501 | 20.13 | 20.378 | 0.5217 | -0.123 (-0.60%) | 7,801 |
| 10 Apr 1980 | USD | 20.501 | 20.501 | 20 | 20.501 | 0.5248 | +0.501 (+2.51%) | 1,700 |
| 9 Apr 1980 | USD | 20 | 20.13 | 19.876 | 20 | 0.512 | +0.247 (+1.25%) | 1,601 |
| 8 Apr 1980 | USD | 19.753 | 19.753 | 19.251 | 19.753 | 0.5057 | +0.378 (+1.95%) | 3,101 |
| 7 Apr 1980 | USD | 19.375 | 20.13 | 19.375 | 19.375 | 0.496 | -0.872 (-4.31%) | 8,501 |
| 3 Apr 1980 | USD | 20.247 | 20.755 | 20.247 | 20.247 | 0.5183 | -0.254 (-1.24%) | 4,101 |
| 2 Apr 1980 | USD | 20.501 | 20.755 | 20 | 20.501 | 0.5248 | +0.501 (+2.51%) | 4,101 |
| 1 Apr 1980 | USD | 20 | 20.247 | 20 | 20 | 0.512 | 0.0 (0.0%) | 1,601 |
| 31 Mar 1980 | USD | 20 | 20 | 19.622 | 20 | 0.512 | 0.0 (0.0%) | 2,000 |
| 28 Mar 1980 | USD | 20 | 20 | 19.251 | 20 | 0.512 | +1.12 (+5.93%) | 7,901 |
| 27 Mar 1980 | USD | 18.88 | 19.505 | 18.626 | 18.88 | 0.4833 | -1.12 (-5.60%) | 16,401 |
| 26 Mar 1980 | USD | 20 | 20 | 19.375 | 20 | 0.512 | +0.749 (+3.89%) | 3,200 |
| 25 Mar 1980 | USD | 19.251 | 19.505 | 18.503 | 19.251 | 0.4928 | -0.749 (-3.75%) | 10,401 |
| 24 Mar 1980 | USD | 20 | 21.628 | 19.753 | 20 | 0.512 | -1.497 (-6.96%) | 12,301 |
