Following the decision notice (MN2026/04) and public consultation (MN2026/09) that ran from 30 January 2026 to 2 March 2026, Climate Impact X (CIX) has discontinued the publication of price assessments for older vintage Nature X, ARR X, and Cookstoves X standardised contracts. A full list of the assessments concerned is provided below.
Trading of CIX Nature X (CNX) v17-20, CIX ARR X (CAX) v20-23, and CIX Cookstoves X (CCX) v21-24 contracts will continue to be available on the CIX Exchange.
Nature X
| Assessment Name | Assessment Code |
|---|---|
| CNX v17-20 | NC00004 |
| CIX Nature v17 (Vintage assessment) | NC00008 |
| v17 differential to Nature X (Benchmark to Vintage Differential) | NC00012 |
| Nature v17 to v18 (Inter-vintage differential) | NC00015 |
ARR X
| Assessment Name | Assessment Code |
|---|---|
| CAX v20-23 | AC00003 |
Cookstoves X
| Assessment Name | Assessment Code |
|---|---|
| CCX-LG v21-24 | CC00009 |
| CCX-DG v21-24 | CC00010 |
| CCX-LV v21-24 | CC00011 |
| CCX-DV v21-24 | CC00012 |
Questions or feedback can be sent to pricing@climateimpactx.com. Please ensure that the appropriate members of staff within your organisation and customers are advised of the content of this market notice.
For any queries on this notice, please reach out to CIX’s support team at +65 6990 7518 or email operations@climateimpactx.com.
