Generated August 8, 2026.
Overview
XLC and XLK are both large-cap equity ETFs from State Street that track S&P 500 sector indices, but they expose investors to fundamentally different parts of the market. XLC captures Communication Services—a sector anchored by media, entertainment, and telecom companies—while XLK focuses on Technology, the largest S&P 500 sector by weight. The two differ sharply in volatility, yield, and asset base.
How they differ
The biggest difference is sector composition and risk profile. XLK's beta of 1.43 reflects the higher volatility of technology stocks; XLC's beta of 0.85 signals lower volatility than the broad market. XLC yields 1.02% versus XLK's 0.49%, a meaningful gap driven by dividend practices in media and telecom companies versus the lower-payout tech sector. XLK is far larger, with $123B in AUM compared to XLC's $21.7B, giving it tighter bid-ask spreads and deeper liquidity. Both charge the same 0.09% expense ratio and distribute quarterly, but XLK has a 25-year track record (inception December 1998) versus XLC's more recent launch in June 2018.
Who each is best for
XLC: Fits investors seeking lower volatility and current income from established media, telecom, and entertainment companies, with a preference for stable dividend payers over growth.
XLK: Fits investors with higher risk tolerance who prioritize exposure to the dominant sector of the S&P 500—software, semiconductors, and digital platforms—and accept lower current yield in exchange for potential capital appreciation.
Key risks to know
- Sector concentration: Both track single S&P 500 sectors, making them vulnerable to sector-wide downturns. A rotation away from tech or telecom/media could drive significant drawdowns.
- Beta divergence: XLK's 1.43 beta means it amplifies broad market moves; XLC's 0.85 dampens them. In a sharp market decline, XLK would fall further; in a rally, it would rise faster. This matters for portfolio construction and timing risk.
- Technology-dependent cash flows: XLK's ultra-low yield (0.49%) reflects the sector's preference for reinvesting earnings or buying back shares rather than paying dividends. If tech profitability or capital deployment deteriorates, distributions may contract further.
- Secular sector shifts: Communication Services faces headwinds from cord-cutting and advertising cyclicality; technology faces regulatory and valuation pressure. Neither is immune to multi-year headwinds in their underlying holdings.
Bottom line
If you want lower volatility and higher current income from established dividend payers, XLC's lower beta and 1.02% yield align with that profile; if you prioritize exposure to the broader market's dominant growth engine despite higher volatility, XLK's $123B scale and tech sector weight offer that exposure. Past performance doesn't predict future results.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.