Average Annual Total Returns [further-information] As of 11/30/2020

Performance data quoted represents past performance, which does not guarantee future results. Current performance may differ from figures shown. Investment return and principal value will fluctuate with market conditions, and you may have a gain or a loss when you sell your shares.
Month EndAs of 11/30/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 06/05/1995
Fund without Sales Charge (%) (NAV) -18.39 -12.46 -5.49 -6.63 4.71
Fund with Sales Charge (%) (POP) -18.39 -12.46 -5.49 -6.63 4.71
Quarter EndAs of 09/30/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 06/05/1995
Fund without Sales Charge (%) (NAV) -31.78 -17.57 -7.41 -7.19 4.02
Fund with Sales Charge (%) (POP) -31.78 -17.57 -7.41 -7.19 4.02
S&P North American Natural Resources Sector Index (%) -26.81 -12.50 -3.83 -2.63
S&P 500 Index (%) 15.15 12.28 14.14 13.74 9.60

After-Tax Average Annual Total Returns [further-information] As of 11/30/2020

Month EndAs of 11/30/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold -18.71 -12.89 -5.90 -6.94
Fund without Sales Charge (%) (NAV) After Shares Sold -10.53 -9.05 -3.95 -4.54
Fund with Sales Charge (%) (POP) Before Shares Sold -18.71 -12.89 -5.90 -6.94
Fund with Sales Charge (%) (POP) After Shares Sold -10.53 -9.05 -3.95 -4.54
Quarter EndAs of 09/30/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold -32.04 -17.97 -7.81 -7.50
Fund without Sales Charge (%) (NAV) After Shares Sold -18.43 -12.52 -5.24 -4.83
Fund with Sales Charge (%) (POP) Before Shares Sold -32.04 -17.97 -7.81 -7.50
Fund with Sales Charge (%) (POP) After Shares Sold -18.43 -12.52 -5.24 -4.83

Calendar Year Returns

Performance data quoted represents past performance, which does not guarantee future results. Current performance may differ from figures shown. Investment return and principal value will fluctuate with market conditions, and you may have a gain or a loss when you sell your shares.
2019 2018 2017 2016 2015 2014 2013
Fund without Sales Charge (%) (NAV) 10.53 -23.43 0.89 35.34 -27.44 -19.74 10.11
Fund with Sales Charge (%) (POP) 10.53 -23.43 0.89 35.34 -27.44 -19.74 10.11
S&P North American Natural Resources Sector Index (%) 17.63 -21.07 1.23 30.87 -24.28 -9.77 16.49
S&P 500 Index (%) 31.49 -4.38 21.83 11.96 1.38 13.69 32.39

Cumulative Total Returns [further-information] As of 11/30/2020

Performance data quoted represents past performance, which does not guarantee future results. Current performance may differ from figures shown. Investment return and principal value will fluctuate with market conditions, and you may have a gain or a loss when you sell your shares.
Month EndAs of 11/30/2020 3 Month YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 06/05/1995
Fund without Sales Charge (%) (NAV) 7.06 -26.58 -18.39 -32.93 -24.60 -49.64 222.94
Fund with Sales Charge (%) (POP) 7.06 -26.58 -18.39 -32.93 -24.60 -49.64 222.94
Quarter EndAs of 09/30/2020 3 Month YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 06/05/1995
Fund without Sales Charge (%) (NAV) -6.61 -38.28 -31.78 -43.99 -31.97 -52.57 171.47
Fund with Sales Charge (%) (POP) -6.61 -38.28 -31.78 -43.99 -31.97 -52.57 171.47
S&P North American Natural Resources Sector Index (%) -7.56 -31.90 -26.81 -33.02 -17.75 -23.43
S&P 500 Index (%) 8.93 5.57 15.15 41.55 93.80 262.44 918.50

MODERN PORTFOLIO THEORY (MPT) STATISTICSAs of 11/30/2020 (updated monthly)

3 YR 5 YR 10 YR
Standard Deviation (Fund) 37.97 32.28
Standard Deviation (S&P North American Natural Resources Sector Index) 32.57 27.63 24.30
Beta 1.15 1.16
Sharpe Ratio -0.37 -0.20
Information Ratio -0.53 -0.38
Tracking Error 7.31 6.28

ADDITIONAL RISK STATISTICSAs of 11/30/2020 (updated monthly)

3 YR 5 YR 10 YR
Beta Bull 1.14 1.15
Beta Bear 1.10 1.11
Bull Bear Capture Ratio 1.09 1.07
Gains/Losses 0.88 1.00

SALES CHARGE, EXPENSES & FEES As of 09/01/2020 (updated annually)

Gross Expense Ratio 0.72%
Net Expense Ratio [further-information] 0.66%
Max Initial Sales Charge 0.00%
CDSC

Volatility Measures [further-information] As of 11/30/2020 Updated Monthly, based on a 3-year period

Beta 1.15
Sharpe Ratio -0.37
Standard Deviation 37.97

Benchmarks

A benchmark is a comparable broad-based index that can be used to evaluate a fund's performance.

  • S&P North American Natural Resources Sector Index
  • S&P 500 Index