| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 10 Mar 1981 | USD | 31.875 | 31.999 | 31.875 | 31.875 | 0.332 | -0.124 (-0.39%) | 500 |
| 9 Mar 1981 | USD | 31.999 | 32.249 | 31.999 | 31.999 | 0.3333 | -0.376 (-1.16%) | 2,000 |
| 6 Mar 1981 | USD | 32.375 | 32.874 | 32.375 | 32.375 | 0.3372 | +1.126 (+3.60%) | 6,100 |
| 5 Mar 1981 | USD | 31.249 | 31.625 | 31.249 | 31.249 | 0.3255 | -0.376 (-1.19%) | 1,101 |
| 4 Mar 1981 | USD | 31.625 | 31.752 | 31.625 | 31.625 | 0.3294 | -0.127 (-0.40%) | 800 |
| 3 Mar 1981 | USD | 31.752 | 31.752 | 31.752 | 31.752 | 0.3307 | -0.247 (-0.77%) | 100 |
| 2 Mar 1981 | USD | 31.999 | 31.999 | 31.752 | 31.999 | 0.3333 | +0.499 (+1.58%) | 701 |
| 27 Feb 1981 | USD | 31.5 | 32.126 | 31.5 | 31.5 | 0.3281 | -1 (-3.08%) | 601 |
| 26 Feb 1981 | USD | 32.5 | 33.001 | 32.5 | 32.5 | 0.3385 | -0.501 (-1.52%) | 1,401 |
| 25 Feb 1981 | USD | 33.001 | 33.001 | 32.5 | 33.001 | 0.3438 | +0.626 (+1.93%) | 2,000 |
| 24 Feb 1981 | USD | 32.375 | 32.375 | 31.875 | 32.375 | 0.3372 | +0.75 (+2.37%) | 1,600 |
| 23 Feb 1981 | USD | 31.625 | 32.249 | 31.625 | 31.625 | 0.3294 | -1.126 (-3.44%) | 2,500 |
| 20 Feb 1981 | USD | 32.751 | 33.001 | 31.875 | 32.751 | 0.3412 | +1.876 (+6.08%) | 37,101 |
| 19 Feb 1981 | USD | 30.875 | 30.875 | 30.249 | 30.875 | 0.3216 | +0.875 (+2.92%) | 4,000 |
| 18 Feb 1981 | USD | 30 | 31.752 | 30 | 30 | 0.3125 | -1.752 (-5.52%) | 46,601 |
| 17 Feb 1981 | USD | 31.752 | 31.999 | 31.752 | 31.752 | 0.3307 | -0.247 (-0.77%) | 601 |
| 16 Feb 1981 | USD | 31.999 | 31.999 | 31.999 | 31.999 | 0.3333 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 31.999 | 32.126 | 31.999 | 31.999 | 0.3333 | -0.127 (-0.40%) | 800 |
| 12 Feb 1981 | USD | 32.126 | 32.5 | 32.126 | 32.126 | 0.3346 | -0.625 (-1.91%) | 800 |
| 11 Feb 1981 | USD | 32.751 | 32.751 | 32.751 | 32.751 | 0.3412 | +0.126 (+0.39%) | 4,201 |
| 10 Feb 1981 | USD | 32.625 | 32.874 | 32.625 | 32.625 | 0.3398 | +0.125 (+0.38%) | 1,901 |
| 9 Feb 1981 | USD | 32.5 | 33.001 | 32.5 | 32.5 | 0.3385 | -0.374 (-1.14%) | 4,601 |
| 6 Feb 1981 | USD | 32.874 | 33.001 | 32.874 | 32.874 | 0.3424 | -0.374 (-1.12%) | 500 |
| 5 Feb 1981 | USD | 33.248 | 33.375 | 33.248 | 33.248 | 0.3463 | -0.378 (-1.12%) | 1,600 |
| 4 Feb 1981 | USD | 33.626 | 33.626 | 33.626 | 33.626 | 0.3503 | +0.752 (+2.29%) | 1,700 |
| 3 Feb 1981 | USD | 32.874 | 33.001 | 32.625 | 32.874 | 0.3424 | +0.625 (+1.94%) | 1,600 |
| 2 Feb 1981 | USD | 32.249 | 33.001 | 32.249 | 32.249 | 0.3359 | -0.999 (-3.00%) | 2,500 |
| 30 Jan 1981 | USD | 33.248 | 33.375 | 33.001 | 33.248 | 0.3463 | -0.252 (-0.75%) | 1,901 |
| 29 Jan 1981 | USD | 33.5 | 33.626 | 33.375 | 33.5 | 0.349 | +0.125 (+0.37%) | 1,101 |
| 28 Jan 1981 | USD | 33.375 | 34 | 33.375 | 33.375 | 0.3477 | -0.75 (-2.20%) | 1,700 |
