You should always have energy stocks in your 401(k). Yes, even when oil is at $100.

While it may seem counterintuitive to hold energy names when crude prices are elevated, historical market behavior suggests a different story. Energy and resource equities have often moved in opposition to the broader technology-led indices, providing a critical diversification benefit. When the S&P 500 has stumbled due to growth concerns or interest-rate sensitivity, energy producers have frequently held firm or advanced, buoyed by tangible cash flows and buyback programs rather than speculative future earnings.

The "zig while the market zags" phenomenon stems from energy’s unique drivers. Unlike consumer discretionary or tech stocks, which rely on cheap capital and consumer sentiment, energy firms are priced on physical supply-demand balances and geopolitical risk. At $100 oil, many producers generate robust free cash flow, allowing them to reduce debt or return capital to shareholders—fundamentals that remain attractive regardless of headline inflation data.

For long-term savers, the key takeaway is not about timing the next oil spike but about portfolio resilience. Watch the correlation between energy equities and the Nasdaq; if it remains low or negative, the sector serves as a valuable hedge against a growth-stock pullback. A permanent, modest allocation ensures your 401(k) benefits from that structural divergence without requiring a forecast on crude’s next move.