The five most active contracts in May were:
| Contract | Volume (contracts) |
| DIAMONDS® (DIA1C) | 16,118 |
| Microsoft Corp. (MSFT1C) | 6,011 |
| Cisco Systems (CSCO1C) | 3,958 |
| Nokia Corp (NOK1C) | 3,431 |
| Lowe's Cos (LOW1C) | 3,400 |
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Date 03/06/2003