| Delivery month 5/2026 | |
| Herfindahl-Hirschman index (HHI) represents the sum of squares of the market share percentage of the participants who have concluded sell/buy transactions. |
|
| Sell | 2,008 |
| Buy | 7,222 |
| Market concentration ratio (C3) represents the sum of market share percentage of the first three participants with the highest sell/buy volumes. |
|
| Sell | 71.67% |
| Buy | 100.00% |