| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1981 | USD | 17.876 | 18.124 | 17.623 | 17.876 | 0.6889 | -0.121 (-0.67%) | 2,101 |
| 3 Jun 1981 | USD | 17.997 | 17.997 | 17.749 | 17.997 | 0.6935 | 0.0 (0.0%) | 901 |
| 2 Jun 1981 | USD | 17.997 | 17.997 | 17.501 | 17.997 | 0.6935 | +0.248 (+1.40%) | 1,101 |
| 1 Jun 1981 | USD | 17.749 | 18.124 | 17.749 | 17.749 | 0.684 | 0.0 (0.0%) | 2,000 |
| 29 May 1981 | USD | 17.749 | 18.124 | 17.749 | 17.749 | 0.684 | -0.375 (-2.07%) | 2,000 |
| 28 May 1981 | USD | 18.124 | 18.625 | 17.876 | 18.124 | 0.6984 | +0.127 (+0.71%) | 3,701 |
| 27 May 1981 | USD | 17.997 | 18.625 | 16.752 | 17.997 | 0.6935 | +1.62 (+9.89%) | 9,401 |
| 26 May 1981 | USD | 16.377 | 16.377 | 15.749 | 16.377 | 0.6311 | +0.506 (+3.19%) | 1,101 |
| 25 May 1981 | USD | 15.871 | 15.871 | 15.871 | 15.871 | 0.6116 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 15.871 | 15.871 | 15.749 | 15.871 | 0.6116 | +0.243 (+1.55%) | 800 |
| 21 May 1981 | USD | 15.628 | 15.749 | 15.628 | 15.628 | 0.6023 | -0.121 (-0.77%) | 400 |
| 20 May 1981 | USD | 15.749 | 15.871 | 15.749 | 15.749 | 0.6069 | 0.0 (0.0%) | 601 |
| 19 May 1981 | USD | 15.749 | 15.871 | 15.628 | 15.749 | 0.6069 | 0.0 (0.0%) | 10,201 |
| 18 May 1981 | USD | 15.749 | 15.871 | 15.749 | 15.749 | 0.6069 | 0.0 (0.0%) | 2,301 |
| 15 May 1981 | USD | 15.749 | 15.871 | 15.628 | 15.749 | 0.6069 | +0.121 (+0.77%) | 901 |
| 14 May 1981 | USD | 15.628 | 15.628 | 15.628 | 15.628 | 0.6023 | 0.0 (0.0%) | 101 |
| 13 May 1981 | USD | 15.628 | 15.749 | 15.628 | 15.628 | 0.6023 | +0.375 (+2.46%) | 901 |
| 12 May 1981 | USD | 15.253 | 15.375 | 15 | 15.253 | 0.5878 | +0.253 (+1.69%) | 1,401 |
| 11 May 1981 | USD | 15 | 15 | 15 | 15 | 0.5781 | +0.374 (+2.56%) | 601 |
| 8 May 1981 | USD | 14.626 | 14.874 | 14.626 | 14.626 | 0.5636 | -0.248 (-1.67%) | 1,801 |
| 7 May 1981 | USD | 14.874 | 15 | 14.874 | 14.874 | 0.5732 | -0.379 (-2.48%) | 301 |
| 6 May 1981 | USD | 15.253 | 15.375 | 14.747 | 15.253 | 0.5878 | -0.122 (-0.79%) | 2,301 |
| 5 May 1981 | USD | 15.375 | 15.501 | 15.375 | 15.375 | 0.5925 | -0.253 (-1.62%) | 601 |
| 4 May 1981 | USD | 15.628 | 15.871 | 15.628 | 15.628 | 0.6023 | -0.375 (-2.34%) | 701 |
| 1 May 1981 | USD | 16.003 | 16.251 | 16.003 | 16.003 | 0.6167 | 0.0 (0.0%) | 901 |
| 30 Apr 1981 | USD | 16.003 | 16.003 | 15.871 | 16.003 | 0.6167 | +0.132 (+0.83%) | 701 |
| 29 Apr 1981 | USD | 15.871 | 15.871 | 15.871 | 15.871 | 0.6116 | 0.0 (0.0%) | 0 |
| 28 Apr 1981 | USD | 15.871 | 15.871 | 15 | 15.871 | 0.6116 | +0.871 (+5.81%) | 4,501 |
| 27 Apr 1981 | USD | 15 | 15 | 14.747 | 15 | 0.5781 | +0.126 (+0.85%) | 400 |
| 24 Apr 1981 | USD | 14.874 | 14.874 | 14.372 | 14.874 | 0.5732 | +0.127 (+0.86%) | 1,101 |
