Which funds can replace FFOBX?

Which mutual funds can replace FFOBX?

Which mutual funds can replace FFOBX? ranked by return similarity
RankTickerFundReturn similarity
1VENAXVanguard Energy Index Fund Admiral Shares99.2%
2FSTEXInvesco Energy Fund Investor Class97.9%
3RYEIXRydex Energy Fund Class Investor97.6%
4HNRGXHennessy Energy Transition Fund Investor Class97.5%
5BACAXBlackRock Energy Opportunities Fund Investor A Class96.3%
6GAGEXGuinness Atkinson Global Energy Fund95.0%
7FNARXFidelity Natural Resources Fund93.3%
8ENPIXProFunds UltraSector Energy Fund Investor Class93.1%
9APWEXCavanal Hill World Energy & Power Fund Investor92.7%
10ICPAXIntegrity Mid-North American Resources Fund Class A92.5%
11RMLPXRecurrent MLP & Infrastructure Fund Class I90.6%
12SOAEXSpirit of America Energy Fund Class A90.0%
13FRNRXFranklin Natural Resources Fund Class A86.3%
14RYVIXRydex Energy Services Fund Class Investor85.9%
15DNLAXBNY Mellon Natural Resources Fund Class A85.8%