Generated October 10, 2026.
Figures quoted in this analysis are from its generation date and may lag the live snapshot table above, which always shows the latest data.
Overview
SMH and XLK are both index-tracking technology ETFs, but they operate at different levels of the industry stack. SMH targets semiconductor manufacturers specifically—the 25 largest US-listed chip makers—via the MVIS index. XLK covers all large-cap technology companies in the S&P 500, including semiconductor makers, software, enterprise services, and consumer electronics firms. The key distinction is scope: SMH is a concentrated, sector-within-a-sector play; XLK is a broad technology core holding.
How they differ
The most obvious split is their underlying index and breadth. SMH focuses exclusively on semiconductor hardware manufacturers, while XLK includes the entire S&P 500 technology sector—software, cloud services, and consumer tech alongside chips. This explains their dramatically different volatility: SMH's beta of 2.0 means it typically swings twice as hard as the broad market, while XLK's beta of 1.45 is closer to the overall tech sector.
On costs, XLK is substantially cheaper. Its 0.08% expense ratio undercuts SMH's 0.35% by 0.27% percentage points—a meaningful gap on a holding you might keep for decades.
Yield is minimal for both. Neither fund is held for income; both are growth vehicles, and these yields reflect the reinvestment of modest corporate dividends from mature, profitable tech firms.
Who each is best for
SMH: Fits investors with higher risk tolerance who want concentrated exposure to the semiconductor industry—the cyclical heart of tech hardware—and can accept roughly double the market's volatility over a full market cycle.
XLK: Designed for investors seeking a more diversified technology holding that balances semiconductor exposure with software and services, preferring lower costs and lower volatility as a core equity building block or sector tilt.
Key risks to know
- Sector concentration and cyclicality. SMH's exclusive focus on semiconductors means it rises and falls with chip demand, supply chain disruptions, and commodity memory prices. XLK's broader technology mix softens this cycle but doesn't eliminate it—both funds move together during tech selloffs.
- SMH's amplified volatility. A beta of 2.0 in SMH means drawdowns can be severe. During a 20% market decline, SMH is likely to fall roughly twice as hard; recovery timing is unpredictable.
- Valuation and earnings dependence. Both funds hold companies with high price-to-earnings multiples that can compress sharply if growth or interest-rate expectations reset, though XLK's diversification across lower-growth services and software reduces this risk somewhat relative to SMH.
- Overlapping holdings. The largest semiconductor companies (NVIDIA, TSMC, Broadcom, others) appear in both SMH and XLK, so the two funds are not truly independent hedges against each other—they move in tandem during tech sector stress.
Bottom line
If you want pure-play semiconductor exposure and can tolerate significant short-term swings, SMH delivers concentrated access and has tracked the MVIS index since 12/20/2011. If you're looking for a lower-cost, less volatile technology core holding that blends chips with software and services, XLK's 0.08% fee and $131B in assets make it the more conventional choice for most core allocations. Past performance does not predict future results, and both funds' returns depend entirely on tech sector earnings and valuation trends.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.
