| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 21 Aug 1981 | USD | 19.628 | 20 | 19.628 | 19.628 | 2.3038 | -0.248 (-1.25%) | 6,000 |
| 20 Aug 1981 | USD | 19.876 | 20 | 19.876 | 19.876 | 2.3329 | 0.0 (0.0%) | 9,300 |
| 19 Aug 1981 | USD | 19.876 | 20 | 19.752 | 19.876 | 2.3329 | +0.124 (+0.63%) | 7,800 |
| 18 Aug 1981 | USD | 19.752 | 19.876 | 19.752 | 19.752 | 2.3183 | -0.124 (-0.62%) | 6,400 |
| 17 Aug 1981 | USD | 19.876 | 19.876 | 19.752 | 19.876 | 2.3329 | -0.124 (-0.62%) | 5,300 |
| 14 Aug 1981 | USD | 20 | 20 | 19.876 | 20 | 2.3474 | +0.124 (+0.62%) | 15,700 |
| 13 Aug 1981 | USD | 19.876 | 20 | 19.876 | 19.876 | 2.3329 | 0.0 (0.0%) | 7,900 |
| 12 Aug 1981 | USD | 19.876 | 20 | 19.752 | 19.876 | 2.3329 | +0.124 (+0.63%) | 33,800 |
| 11 Aug 1981 | USD | 19.752 | 19.876 | 19.752 | 19.752 | 2.3183 | 0.0 (0.0%) | 45,300 |
| 10 Aug 1981 | USD | 19.752 | 19.876 | 19.752 | 19.752 | 2.3183 | -0.124 (-0.62%) | 19,600 |
| 7 Aug 1981 | USD | 19.876 | 20 | 19.876 | 19.876 | 2.3329 | 0.0 (0.0%) | 5,600 |
| 6 Aug 1981 | USD | 19.876 | 20.376 | 19.876 | 19.876 | 2.3329 | 0.0 (0.0%) | 20,600 |
| 5 Aug 1981 | USD | 19.876 | 20 | 19.752 | 19.876 | 2.3329 | 0.0 (0.0%) | 12,900 |
| 4 Aug 1981 | USD | 19.876 | 20 | 19.752 | 19.876 | 2.3329 | 0.0 (0.0%) | 23,500 |
| 3 Aug 1981 | USD | 19.876 | 20.128 | 19.876 | 19.876 | 2.3329 | -0.124 (-0.62%) | 11,200 |
| 31 Jul 1981 | USD | 20 | 20 | 19.876 | 20 | 2.3474 | 0.0 (0.0%) | 21,000 |
| 30 Jul 1981 | USD | 20 | 20 | 19.752 | 20 | 2.3474 | +0.372 (+1.90%) | 6,600 |
| 29 Jul 1981 | USD | 19.628 | 19.752 | 19.628 | 19.628 | 2.3038 | -0.124 (-0.63%) | 2,900 |
| 28 Jul 1981 | USD | 19.752 | 20 | 19.628 | 19.752 | 2.3183 | -0.248 (-1.24%) | 24,100 |
| 27 Jul 1981 | USD | 20 | 20 | 19.628 | 20 | 2.3474 | +0.124 (+0.62%) | 8,200 |
| 24 Jul 1981 | USD | 19.876 | 20.128 | 19.752 | 19.876 | 2.3329 | 0.0 (0.0%) | 28,300 |
| 23 Jul 1981 | USD | 19.876 | 19.876 | 19.628 | 19.876 | 2.3329 | +0.124 (+0.63%) | 18,100 |
| 22 Jul 1981 | USD | 19.752 | 19.876 | 19.628 | 19.752 | 2.3183 | 0.0 (0.0%) | 14,900 |
| 21 Jul 1981 | USD | 19.752 | 20 | 19.5 | 19.752 | 2.3183 | 0.0 (0.0%) | 64,500 |
| 20 Jul 1981 | USD | 19.752 | 20 | 19.752 | 19.752 | 2.3183 | -0.376 (-1.87%) | 14,200 |
| 17 Jul 1981 | USD | 20.128 | 20.376 | 20 | 20.128 | 2.3624 | +0.128 (+0.64%) | 44,800 |
| 16 Jul 1981 | USD | 20 | 20.128 | 19.628 | 20 | 2.3474 | +0.124 (+0.62%) | 27,700 |
| 15 Jul 1981 | USD | 19.876 | 20.128 | 19.876 | 19.876 | 2.3329 | -0.124 (-0.62%) | 72,600 |
| 14 Jul 1981 | USD | 20 | 20.128 | 19.752 | 20 | 2.3474 | 0.0 (0.0%) | 28,900 |
| 13 Jul 1981 | USD | 20 | 20 | 19.628 | 20 | 2.3474 | +0.248 (+1.26%) | 24,300 |
