The clearest answer to which oil and gas stock has dominated in 2026 is Occidental Petroleum (NYSE:OXY | OXY Price Prediction), but the margin over the peer group is thin. Occidental Petroleum stock was up 46% year to date to $60.02, edging both of its closest peers by only a low single-digit spread and giving investors what looks less like a runaway win than a photo finish.
Meanwhile, EOG Resources (NYSE:EOG) stock and ConocoPhillips (NYSE:COP) stock arrive at essentially the same result on the year. EOG Resources stock was up 43% year to date to $149.83, and ConocoPhillips stock was up 43% year to date to $133.47, leaving the three explorers bunched inside a few percentage points of one another after eight months.
The SPDR S&P Oil & Gas Exploration & Production ETF (NYSEARCA:XOP) was up 45% year to date to $185.95, slotting the sector basket ahead of two of the three companies and behind only Occidental Petroleum. That single ETF number reframes the question of who’s actually winning, with meaningful implications for oil-and-gas stock investors.
Occidental Petroleum Takes a Narrow Lead
Occidental Petroleum stock has held the top spot in this trio for most of 2026, and its 46% year-to-date gain keeps it there. Occidental Petroleum carries a heavier debt load than the other two and runs a carbon capture arm alongside its production, both of which shape how the stock behaves against a purely upstream group.
However, the lead is narrow, and Occidental Petroleum sits only a few percentage points ahead of the next name in the group. Investors who owned Occidental Petroleum stock outright captured only a modest premium over what they would have earned holding EOG Resources or ConocoPhillips.
EOG Resources and ConocoPhillips Finish in a Dead Heat
EOG Resources stock and ConocoPhillips stock are essentially tied for second in this comparison, matching each other within rounding on the year. EOG Resources is the most shale-concentrated of the three, giving its results the tightest link to U.S. onshore economics and the tempo of Lower 48 drilling activity.
ConocoPhillips, by contrast, is the largest of the three by production scale and runs a global portfolio. That structure carries a different mix of exposures across geographies and commodities, yet the year’s outcome for ConocoPhillips has landed almost exactly on top of EOG Resources.
Sector Fund Beat Two of Three
The 45% year-to-date advance in the XOP ETF is the most interesting line on the scoreboard. An investor who simply bought the basket beat both EOG Resources and ConocoPhillips outright, and trailed Occidental Petroleum by only a low single-digit margin.
The real question this year was whether choosing any single explorer was worth the extra work and single-stock risk compared with holding the XOP ETF basket. For two of the three names, the answer was no, and for the third, Occidental Petroleum, the excess return over the fund was small enough to reward only the investors who happened to pick correctly at the start of the year.
Bottom Line for Investors
For investors weighing these three, the 2026 tape argues for keeping any single-stock position modest given how tightly Occidental Petroleum, EOG Resources, and ConocoPhillips have traded. Sizing an individual explorer at a small overweight rather than a concentrated bet keeps risk balanced when the XOP ETF is doing much of the heavy lifting on returns.
Investors can watch for signs that the gap between Occidental Petroleum and the rest of the group widens meaningfully into year-end. A persistent bunching among the three names would argue for staying in the fund, while a clear breakout by one explorer would justify closer scrutiny of that specific position.
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