Calyx Carbon Indices
Quality and pricing indicators that track carbon market impact
Q2 2025 QTD
Calyx Carbon Integrity Index
Average quarterly GHG integrity
Issuances
5.1
out of 10
24.4%
vs. Q1 ‘25
Retirements
3.3
out of 10
6.4%
vs. Q1 ‘25
Calyx-ClearBlue Carbon Price-Integrity Index
Average quarterly price by rating tier
T1 Price
$7.20
6.35%
vs. Q1 ‘25
T2 Price
$5.41
7.2%
vs. Q1 ‘25
T3 Price
$5.29
0.75%
vs. Q1 ‘25
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