WilderHill Clean Energy Index® at


Change since Last Close


Change Since January 1, 2017


A priority of the WilderHill® Index (ECO) is to define and track the Clean Energy sector: specifically, businesses that may benefit from a societal transition toward cleaner energy and decarbonization. Stocks and sectors in the Index are based on significance for clean energy, technological influence, and relevance to preventing pollution in the first place. We emphasize solutions that make ecological as well as also economic sense ... [more]

An independent and investable Fund product tracks ECO intra-day ... [more]

ECO Index® live since 2004 stands out as the first for clean energy, and it remains the best-known benchmark today. Next, the NEX for New Energy Global Innovation, live since 2006 is the first Global Clean Energy Index. Together with newest Hydrogen Economy H2X, and Wind Energy WNX - these four themes are today the most-respected leaders for climate solutions and decarbonization.

ECO basket vs. individual stocks:


  • The Clean Energy Index® (ECO) live since 2004 has the longest record across the Industry.
  • The ECO Index® benchmark is the first & best-known for capturing climate change solutions.
  • ECO, NEX, Hydrogen H2X, Wind WNX naturally informed by sustainability & economic thinking.
  • Each basket offers transparency, efficiency & diversification, and isn't as impacted by single-stock risk.
  • Quarterly Rebalancings for each help reflect a changing nature of the sector over time vs. any single stock.
  • WilderHill Reports since 2005 address Quarterly ongoing growth & dynamism of these fast-emerging sectors.