| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 30 Sep 1981 | USD | 11.5 | 11.625 | 11.375 | 11.5 | 3.5127 | -0.125 (-1.08%) | 94,400 |
| 29 Sep 1981 | USD | 11.625 | 11.625 | 11.5 | 11.625 | 3.5509 | +0.125 (+1.09%) | 156,300 |
| 28 Sep 1981 | USD | 11.5 | 11.625 | 11.25 | 11.5 | 3.5127 | -0.375 (-3.16%) | 436,800 |
| 25 Sep 1981 | USD | 11.875 | 12 | 11.75 | 11.875 | 3.6272 | 0.0 (0.0%) | 87,000 |
| 24 Sep 1981 | USD | 11.875 | 12 | 11.75 | 11.875 | 3.6272 | 0.0 (0.0%) | 77,200 |
| 23 Sep 1981 | USD | 11.875 | 12 | 11.75 | 11.875 | 3.6272 | 0.0 (0.0%) | 90,000 |
| 22 Sep 1981 | USD | 11.875 | 12 | 11.75 | 11.875 | 3.6272 | +0.125 (+1.06%) | 211,300 |
| 21 Sep 1981 | USD | 11.75 | 12 | 11.5 | 11.75 | 3.589 | +0.125 (+1.08%) | 78,100 |
| 18 Sep 1981 | USD | 11.625 | 11.75 | 11.375 | 11.625 | 3.5509 | +0.25 (+2.20%) | 179,400 |
| 17 Sep 1981 | USD | 11.375 | 11.625 | 11.375 | 11.375 | 3.4745 | 0.0 (0.0%) | 117,300 |
| 16 Sep 1981 | USD | 11.375 | 11.625 | 11.375 | 11.375 | 3.4745 | -0.25 (-2.15%) | 96,800 |
| 15 Sep 1981 | USD | 11.625 | 12 | 11.625 | 11.625 | 3.5509 | 0.0 (0.0%) | 179,600 |
| 14 Sep 1981 | USD | 11.625 | 11.75 | 11.5 | 11.625 | 3.5509 | -0.125 (-1.06%) | 104,400 |
| 11 Sep 1981 | USD | 11.75 | 11.75 | 11.5 | 11.75 | 3.589 | +0.125 (+1.08%) | 109,000 |
| 10 Sep 1981 | USD | 11.625 | 11.625 | 11.375 | 11.625 | 3.5509 | +0.25 (+2.20%) | 122,400 |
| 9 Sep 1981 | USD | 11.375 | 11.5 | 11.25 | 11.375 | 3.4745 | -0.125 (-1.09%) | 253,400 |
| 8 Sep 1981 | USD | 11.5 | 11.625 | 11.375 | 11.5 | 3.5127 | 0.0 (0.0%) | 99,000 |
| 7 Sep 1981 | USD | 11.5 | 11.5 | 11.5 | 11.5 | 3.5127 | 0.0 (0.0%) | 0 |
| 4 Sep 1981 | USD | 11.5 | 11.75 | 11.5 | 11.5 | 3.5127 | -0.25 (-2.13%) | 140,400 |
| 3 Sep 1981 | USD | 11.75 | 11.75 | 11.625 | 11.75 | 3.589 | +0.125 (+1.08%) | 85,000 |
| 2 Sep 1981 | USD | 11.625 | 11.75 | 11.625 | 11.625 | 3.5509 | -0.125 (-1.06%) | 94,200 |
| 1 Sep 1981 | USD | 11.75 | 11.875 | 11.625 | 11.75 | 3.589 | -0.125 (-1.05%) | 90,400 |
| 31 Aug 1981 | USD | 11.875 | 12.125 | 11.75 | 11.875 | 3.6272 | -0.125 (-1.04%) | 132,600 |
| 28 Aug 1981 | USD | 12 | 12.125 | 11.875 | 12 | 3.6654 | +0.125 (+1.05%) | 87,300 |
| 27 Aug 1981 | USD | 11.875 | 12 | 11.75 | 11.875 | 3.6272 | 0.0 (0.0%) | 66,200 |
| 26 Aug 1981 | USD | 11.875 | 12 | 11.75 | 11.875 | 3.6272 | 0.0 (0.0%) | 99,500 |
| 25 Aug 1981 | USD | 11.875 | 12 | 11.625 | 11.875 | 3.6272 | -0.125 (-1.04%) | 173,700 |
| 24 Aug 1981 | USD | 12 | 12.25 | 12 | 12 | 3.6654 | -0.25 (-2.04%) | 145,500 |
| 21 Aug 1981 | USD | 12.25 | 12.375 | 12.25 | 12.25 | 3.7418 | 0.0 (0.0%) | 124,500 |
| 20 Aug 1981 | USD | 12.25 | 12.5 | 12.125 | 12.25 | 3.7418 | +0.125 (+1.03%) | 292,800 |
