Eurekahedge Long Volatility Index performance - Why so bad?

[BorsBamse]

Any ideas as to why the Eurkehedge Long Vol index has been performing so poorly as of late? Despite vol being elevated this year.

http://www.eurekahedge.com/Indices/..._Eurekahedge_Long_Volatility_Hedge_Fund_Index

 

[BorsBamse]

https://www.nytimes.com/2017/09/13/business/dealbook/market-volatility.html

Also saw that Chris Cole's Artemis Capital Vega Fund is a constituent of the index. He's been prolific writer about the vol complex blowing up and ought to have made substantial amounts of money from this?