| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 8 Jun 1981 | USD | 13.75 | 14 | 13.5 | 13.75 | 13.75 | -0.25 (-1.79%) | 21,700 |
| 5 Jun 1981 | USD | 14 | 14 | 13.125 | 14 | 14 | 0.0 (0.0%) | 84,800 |
| 4 Jun 1981 | USD | 14 | 14.125 | 13.625 | 14 | 14 | 0.0 (0.0%) | 59,500 |
| 3 Jun 1981 | USD | 14 | 14 | 13.375 | 14 | 14 | 0.0 (0.0%) | 67,600 |
| 2 Jun 1981 | USD | 14 | 14.875 | 12.875 | 14 | 14 | +1 (+7.69%) | 116,600 |
| 1 Jun 1981 | USD | 13 | 13.25 | 12.625 | 13 | 13 | -0.25 (-1.89%) | 130,100 |
| 29 May 1981 | USD | 13.25 | 14.125 | 13 | 13.25 | 13.25 | -0.75 (-5.36%) | 73,300 |
| 28 May 1981 | USD | 14 | 14.375 | 13.625 | 14 | 14 | -0.25 (-1.75%) | 102,500 |
| 27 May 1981 | USD | 14.25 | 14.875 | 14.125 | 14.25 | 14.25 | -0.625 (-4.20%) | 82,200 |
| 26 May 1981 | USD | 14.875 | 14.875 | 14.625 | 14.875 | 14.875 | +0.25 (+1.71%) | 89,900 |
| 25 May 1981 | USD | 14.625 | 14.625 | 14.625 | 14.625 | 14.625 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 14.625 | 15 | 14.625 | 14.625 | 14.625 | -0.375 (-2.50%) | 31,800 |
| 21 May 1981 | USD | 15 | 15.125 | 14.875 | 15 | 15 | -0.125 (-0.83%) | 110,100 |
| 20 May 1981 | USD | 15.125 | 15.125 | 14.5 | 15.125 | 15.125 | +0.375 (+2.54%) | 39,000 |
| 19 May 1981 | USD | 14.75 | 14.875 | 14.625 | 14.75 | 14.75 | -0.25 (-1.67%) | 30,900 |
| 18 May 1981 | USD | 15 | 15.125 | 14.75 | 15 | 15 | 0.0 (0.0%) | 61,900 |
| 15 May 1981 | USD | 15 | 15.125 | 14.75 | 15 | 15 | 0.0 (0.0%) | 51,400 |
| 14 May 1981 | USD | 15 | 15 | 14.375 | 15 | 15 | +0.375 (+2.56%) | 23,400 |
| 13 May 1981 | USD | 14.625 | 14.75 | 14 | 14.625 | 14.625 | -0.375 (-2.50%) | 83,200 |
| 12 May 1981 | USD | 15 | 15.375 | 14.75 | 15 | 15 | -0.25 (-1.64%) | 28,400 |
| 11 May 1981 | USD | 15.25 | 15.5 | 15 | 15.25 | 15.25 | -0.25 (-1.61%) | 12,100 |
| 8 May 1981 | USD | 15.5 | 15.625 | 15.25 | 15.5 | 15.5 | -0.125 (-0.80%) | 21,400 |
| 7 May 1981 | USD | 15.625 | 15.75 | 15.125 | 15.625 | 15.625 | 0.0 (0.0%) | 42,400 |
| 6 May 1981 | USD | 15.625 | 16 | 15.5 | 15.625 | 15.625 | +0.25 (+1.63%) | 58,400 |
| 5 May 1981 | USD | 15.375 | 15.625 | 15.25 | 15.375 | 15.375 | -0.125 (-0.81%) | 26,600 |
| 4 May 1981 | USD | 15.5 | 15.625 | 15.25 | 15.5 | 15.5 | -0.125 (-0.80%) | 11,700 |
| 1 May 1981 | USD | 15.625 | 16.25 | 15.625 | 15.625 | 15.625 | 0.0 (0.0%) | 43,300 |
| 30 Apr 1981 | USD | 15.625 | 16.375 | 15.625 | 15.625 | 15.625 | +0.25 (+1.63%) | 36,200 |
| 29 Apr 1981 | USD | 15.375 | 15.375 | 14.875 | 15.375 | 15.375 | 0.0 (0.0%) | 25,400 |
| 28 Apr 1981 | USD | 15.375 | 15.875 | 14.5 | 15.375 | 15.375 | -0.375 (-2.38%) | 110,700 |
