S&P Global Platts’ assessment follows exchange operator Xpansiv introducing its own offset product – the Global Emission Offset (GEO) – backed by CORSIA-approved programmes. S&P Global owns a significant share of Xpansiv, having invested in the nascent company in 2018. But representatives from Xpansiv told Carbon Pulse the GEO and CEC remain separate products, and that the company is not currently contributing to Platts’ assessment. Aircraft operators’ association IATA also last month launched its Aviation Carbon Exchange (ACE) to facilitate trade in both CORSIA-eligible and voluntary offsets.