Calyx Carbon Indices

Quality and pricing indicators that track carbon market impact

Q2 2026 QTD

Calyx Carbon Integrity Index

Average quarterly GHG integrity

Issuances

5.2

out of 10

20.9%

vs. Q1 '26

Retirements

3.4

out of 10

6.25%

vs. Q1 '26

Calyx-ClearBlue Carbon Price-Integrity Index

Average May price by rating tier

T1 Price

$9.09

4.31%

vs. Apr '26

T2 Price

$6.74

2.37%

vs. Apr '26

T3 Price

$6.10

4.08%

vs. Apr '26

H1 2025 Report

Get a deeper look into the data and what it means for carbon credit strategies

State of Quality Report

Good carbon credits are out there. We know how to find them.

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