Calyx Carbon Indices
Quality and pricing indicators that track carbon market impact
Q3 2025
Calyx Carbon Integrity Index
Average quarterly GHG integrity
Issuances
4.5
out of 10
6.2%
vs. Q2 '25
Retirements
3.5
out of 10
2.9%
vs. Q2 '25
Calyx-ClearBlue Carbon Price-Integrity Index
Average September price by rating tier
T1 Price
$8.08
0.7%
vs. Aug '25
T2 Price
$5.96
2.30%
vs. Aug '25
T3 Price
$5.51
2.12%
vs. Aug '25
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