What distinguishes Oil Services ETF (OIH) from SPDR S&P Oil & Gas Exploration & Production ETF (XOP) in terms of their sector focus?

OIH focuses on companies involved in providing services and equipment to the energy industry, while XOP targets firms engaged in exploring and producing oil and gas. This fundamental difference in sector exposure means OIH tracks the operational backbone of the energy supply chain, whereas XOP mirrors upstream activities directly related to resource extraction.

How do the expense ratios of these two ETFs compare, and why is this metric important?

Both OIH and XOP have an expense ratio of 0.35%, meaning investors pay 35 cents annually for every $100 invested. Since they are identical, the primary differentiator lies elsewhere. Expense ratios represent annual management fees; while they may seem small, their compounding effect over decades significantly influences an investor's final returns.

What does it mean that neither fund has a publicly available index tracking methodology?

The index tracked for both OIH and XOP is not available. This means the specific rules used to select and weigh the underlying stocks are opaque. For investors, understanding index methodology is crucial to verify how strictly the fund adheres to its intended sector, though this data is unavailable in the provided comparison.

How do the asset sizes of OIH and XOP impact liquidity and trading?

XOP manages $4.2 billion in net assets, which is double the $2.1 billion held by OIH. Generally, larger asset bases correlate with higher liquidity and tighter bid-ask spreads. While OIH's fund size is sufficient for most investors, XOP's larger scale suggests broader institutional participation, which can facilitate smoother entry and exit from positions.

How do the dividend yields compare, and what does this mean for income investors?

XOP offers a dividend yield of 1.71%, which is higher than OIH's 1.25%. For income-focused investors, the higher yield provides a larger cash stream relative to the asset price. However, dividend yields fluctuate based on stock prices and company payouts. The choice depends on whether one prioritises yield from service companies versus exploration and production firms.

How does the concentration risk differ between OIH and XOP based on their top holdings?

OIH shows significant concentration, with its top holding accounting for 19.80% of the fund, whereas XOP's top holding weight is only 2.89%. High concentration means OIH's performance may be driven by a few large-cap service companies. Conversely, XOP is more diversified among smaller positions, potentially reducing reliance on any single stock's performance but exposing it to a broader basket of E&P firms.

How do the historical track records of OIH and XOP differ, and why does this matter?

OIH was established in Feb 7, 2001, providing a longer operational track record. XOP launched in Jun 19, 2006. A longer history allows investors to observe fund performance through more economic cycles, such as the 2008 financial crisis. While past performance does not predict the future, track record depth aids in assessing volatility and resilience.

How much do the top holdings overlap between OIH and XOP?

There is no overlap in the top 10 holdings of OIH and XOP. OIH's largest positions are service providers like SLB (19.80%) and BKR (11.24%). XOP's top holdings include energy companies such as DINO (2.89%) and MPC (2.87%). This confirms they represent distinct segments of the oil and gas supply chain with completely different stock compositions.

What is the impact of a 0.35% expense ratio on a long-term investment?

A 0.35% expense ratio means the fund manager deducts this percentage from the total asset value annually. Over a 10-year period, this can compound significantly. For example, if the fund grows by 8% annually before fees, the net return to the investor is roughly 7.65%. The actual impact on the final portfolio value depends on the compounding effect of this annual deduction.

What are the potential risks of high concentration in OIH's top holdings?

OIH has a top holding weight of 19.80%, introducing notable single-stock concentration risk. If SLB (Schlumberger) underperforms due to company-specific issues or sector downturns, it will disproportionately drag down the entire fund. XOP, with its highly diversified approach and top weights under 2.89%, mitigates this specific risk by spreading exposure across many stocks.

How does XOP's fund structure differ from OIH in terms of transparency?

While the issuer and index details for XOP are not available, it is generally structured to offer transparency regarding its holdings, which include a range of energy exploration and production companies. OIH also lacks issuer details in the provided data, but it clearly lists its holdings. The lack of transparency in either fund's index methodology may limit a full understanding of the fund structure.

Is OIH or XOP better suited for a beginner investor?

Both funds are suitable for beginners interested in gaining sector exposure. XOP, with its broader diversification across many holdings, is often considered more suitable for beginners who want a more balanced portfolio. OIH, with its concentration risk, may appeal more to experienced investors looking for targeted exposure to specific companies or sectors within oil services.

OIH vs XOP

Two funds, one decision: we compare cost, performance and what each ETF actually holds in September 2026.

This page compares Oil Services ETF (OIH) and SPDR S&P Oil & Gas Exploration & Production ETF (XOP). It outlines fees, holdings, dividends, and market tracking to help you understand the differences between these two energy sector funds. Educational content, not financial advice.

This page compares Oil Services ETF (OIH) and SPDR S&P Oil & Gas Exploration & Production ETF (XOP). It outlines fees, holdings, dividends, and market tracking to help you understand the differences b...

Fund Snapshot

Key Fund Metrics

OIH

Metric

XOP

0.35%

Expense Ratio

0.35%

1.25%

Dividend Yield

1.71%

$2.07B

Net Assets

$4.20B

26

Holdings

54

Feb 7, 2001

Inception Date

Jun 19, 2006

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Index Tracked

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Equity Energy

Fund Category

Equity Energy

Both funds charge the same annual fee.

Shared Top Holdings

These funds do not share any of their top holdings.

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USO vs XOP

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IEO vs XOP

Compare IEO and XOP ETFs on fees, holdings, dividends, and tracking. IEO charges 0.37%, XOP 0.35%. Assess net assets and yields for informed research.

Investment Analysis

OIH

Pros

Expense ratio of 0.35 per cent remains competitive for sector equity funds
Net assets of 2.1 billion indicate sufficient fund size for investor interest
Fund inception in 2001 suggests a long operational track record

Considerations

Dividend yield of 1.25 per cent may appeal less to income-focused investors
Top holding weight of 19.80 per cent introduces notable single-stock concentration risk
Issuer details and index methodology are not available for verification

XOP

Pros

Expense ratio of 0.35 per cent is low for an energy exploration and production ETF
Net assets of 4.2 billion suggest strong liquidity and broad investor participation
Dividend yield of 1.71 per cent offers a more attractive income stream than the alternative

Considerations

Fund inception in 2006 provides a shorter track record compared to some older alternatives
Top holding weights are all below 2.89 per cent, indicating a highly diversified approach
Issuer and index details are not available, limiting full transparency on fund structure

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