What is the difference between SPY and VOO?

SPY and VOO both track the S&P 500, but they differ in structure, cost, and usage. SPY is structured as a unit investment trust with a 0.0945% expense ratio and cannot reinvest dividends between distribution dates. VOO is a traditional ETF with a lower 0.03% expense ratio and can reinvest dividends immediately. SPY has far higher trading volume and tighter options markets, making it preferred for trading. For long-term buy-and-hold investing, VOO's lower cost gives it an edge.

Are SPDR sector ETFs good for tactical investing?

SPDR sector ETFs are excellent for tactical investing because they divide the S&P 500 into 11 individual sector funds with high liquidity, tight spreads, and active options markets. Investors can overweight sectors they expect to outperform and underweight those they expect to lag. The sector ETFs are also useful for complementing a core S&P 500 holding by adding targeted sector tilts based on economic cycle positioning or thematic views.

Why is SPY the most traded ETF?

SPY is the most traded ETF because of its first-mover advantage as the original U.S. ETF, massive asset base creating deep liquidity, and its central role in the options and futures ecosystem. Institutional investors, hedge funds, and market makers use SPY as the primary instrument for hedging, gaining quick market exposure, and executing large trades with minimal market impact. This self-reinforcing liquidity cycle keeps SPY dominant despite higher fees than competitors.

SPDR ETFs

219 ETFs · AUM: $2.25T

SPDR (pronounced "spider") is State Street Global Advisors' ETF brand and holds a unique place in ETF history as the creator of the first U.S.-listed ETF. The SPDR S&P 500 ETF Trust, launched in 1993, pioneered the ETF structure and remains one of the most actively traded securities in the world. State Street's SPDR lineup includes broad market funds, the well-known sector Select SPDRs that slice the S&P 500 into individual sectors, and a range of fixed income and specialty products.

SPY is the flagship SPDR product and the most liquid ETF ever created, with massive daily trading volume that makes it the preferred vehicle for institutional traders and options market participants. GLD is the largest physically-backed gold ETF, providing investors convenient access to gold as a portfolio diversifier. XLF is one of the most popular sector ETFs, offering targeted exposure to financial services companies within the S&P 500. SPDR's sector ETF suite is widely used by investors seeking tactical sector allocation strategies.

219 ETFs found

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Symbol▼	Fund Name▼	Category	Type	AUM▲	Expense Ratio▼	Price▼	YTD▼
XLKM	State Street S&P 500 Technology Market Sector SPDR ETF	—	—	$490K	0.12%	$24.30	—
XLYM	State Street S&P 500 Consumer Discretionary Market Sector SPDR ETF	—	—	$490K	0.12%	—	—
XLEM	State Street S&P 500 Energy Market Sector SPDR ETF	—	—	$510K	0.12%	$25.74	—
XLPM	State Street S&P 500 Consumer Staples Market Sector SPDR ETF	—	—	$510K	0.12%	$25.82	—
XLCI	State Street Communication Services Select Sector SPDR Premium Income ETF	Communication Services	—	$3.0M	0.35%	$23.14	-8.21%
NZUS	State Street SPDR MSCI USA Climate Paris Aligned ETF	Technology	ESG	$3.1M	0.10%	$37.90	—
XLRI	State Street Real Estate Select Sector SPDR Premium Income ETF	Real Estate	—	$3.1M	0.35%	$22.10	-6.74%
XTH	SPDR S&P Technology Hardware ETF	Technology	Total Market Technology	$3.6M	0.35%	—	—
MYHC	State Street My2029 High Yield Corporate Bond ETF	—	Active Income Corporate Bond High Yield Bond	$4.9M	0.39%	$24.49	—
MYHF	State Street My2032 High Yield Corporate Bond ETF	Cash & Others	—	$4.9M	0.39%	$24.51	—
MYHB	State Street My2028 High Yield Corporate Bond ETF	—	Active Income Corporate Bond High Yield Bond	$4.9M	0.39%	$24.63	—
MYHA	State Street My2027 High Yield Corporate Bond ETF	—	Active Income Corporate Bond High Yield Bond	$4.9M	0.39%	$24.69	—
MYML	State Street My2032 Municipal Bond ETF	Municipal	—	$5.0M	0.20%	$24.85	—
MYHE	State Street My2031 High Yield Corporate Bond ETF	—	Active Income Corporate Bond High Yield Bond	$5.9M	0.39%	$23.62	—
MYHD	State Street My2030 High Yield Corporate Bond ETF	—	Active Income Corporate Bond High Yield Bond	$6.0M	0.39%	$24.12	—
MYCO	State Street My2035 Corporate Bond ETF	Cash & Others	Active Income Corporate Bond	$6.9M	0.15%	$23.23	-6.50%
MYMH	State Street My2028 Municipal Bond ETF	Cash & Others	Active Income Municipal Bond	$7.3M	0.20%	$24.42	-0.99%
MYCP	State Street My2036 Corporate Bond ETF	Cash & Others	—	$7.4M	0.15%	$24.66	—
ESIX	State Street SPDR S&P SmallCap 600 ESG ETF	Financial Services	Small Cap ESG	$7.8M	0.12%	$34.78	—
SIMS	State Street SPDR S&P Kensho Intelligent Structures ETF	Industrials	Infrastructure Water Technology	$7.9M	0.45%	$42.16	+0.79%
XLBI	State Street Materials Select Sector SPDR Premium Income ETF	Basic Materials	—	$8.0M	0.35%	$23.43	-0.87%
MYCM	State Street My2033 Corporate Bond ETF	Cash & Others	Active Income Corporate Bond	$8.2M	0.15%	$23.53	-5.63%
MYMG	State Street My2027 Municipal Bond ETF	Cash & Others	Active Income Municipal Bond	$8.6M	0.20%	$24.64	-0.16%
MYMF	State Street My2026 Municipal Bond ETF	Cash & Others	Active Income Municipal Bond	$8.7M	0.20%	$24.87	-0.20%
MBNE	State Street Nuveen Municipal Bond ESG ETF	Cash & Others	Active Income Value ESG Municipal Bond	$8.7M	0.43%	$29.06	—
MYCN	State Street My2034 Corporate Bond ETF	Cash & Others	Active Income Corporate Bond	$9.3M	0.15%	$23.31	-5.94%
XCNY	State Street SPDR S&P Emerging Markets ex-China ETF	Technology	Small Cap Growth Emerging Markets China	$10.1M	0.19%	$33.24	+18.39%
XLFI	State Street Financial Select Sector SPDR Premium Income ETF	Financial Services	—	$10.4M	0.35%	$23.50	-5.29%
MYMK	State Street My2031 Municipal Bond ETF	Cash & Others	Active Income Municipal Bond	$10.9M	0.20%	$24.42	-2.55%
MYCL	State Street My2032 Corporate Bond ETF	Cash & Others	Active Income Corporate Bond	$11.8M	0.15%	$23.68	-5.31%
ZHOK	SPDR Solactive Hong Kong ETF	—	Mid Cap	$12.5M	0.14%	$72.30	—
SPDG	State Street SPDR Portfolio S&P Sector Neutral Dividend ETF	Technology	Dividend Income Small Cap High Yield Bond	$12.7M	0.05%	$46.12	+13.42%
SMEZ	SPDR EURO STOXX Small Cap ETF	Industrials	Small Cap Europe	$12.9M	0.45%	$75.05	—
RDMX	SPDR Bloomberg SASB Developed Markets Ex US ESG Select ETF	Cash & Others	ESG International	$12.9M	0.12%	$26.12	—
MYMJ	State Street My2030 Municipal Bond ETF	Cash & Others	Active Income Municipal Bond	$13.3M	0.20%	$24.08	-3.04%
TEKX	State Street Galaxy Transformative Tech Accelerators ETF	Technology	Active Artificial Intelligence Cryptocurrency Technology Long-Term Bond	$13.4M	0.65%	$52.50	+32.66%
ZGBR	SPDR Solactive United Kingdom ETF	Consumer Cyclical	Mid Cap	$14.2M	0.14%	$48.82	—
MYMI	State Street My2029 Municipal Bond ETF	Cash & Others	Active Income Municipal Bond	$14.4M	0.20%	$23.82	-2.44%
SYG	SPDR MFS Systematic Growth Equity ETF	Technology	Growth	$15.3M	0.60%	$119.26	—
SYV	SPDR MFS Systematic Value Equity ETF	Financial Services	Value	$15.6M	0.60%	$78.52	—
XLII	State Street Industrial Select Sector SPDR Premium Income ETF	Industrials	—	$15.8M	0.35%	$24.05	-3.13%
SPYB	SPDR S&P 500 Buyback ETF	—	S&P 500	$16.2M	0.35%	$28.20	—
HAIL	State Street SPDR S&P Kensho Smart Mobility ETF	Technology	Drones Technology	$16.3M	0.45%	$31.54	-4.41%
SPTU	State Street SPDR Portfolio Ultra Short T-Bill ETF	—	Treasury Inverse	$16.8M	0.05%	$25.06	+0.18%
SYE	SPDR MFS Systematic Core Equity ETF	Healthcare	Technology	$17.0M	0.60%	$104.26	—
DECO	State Street Galaxy Digital Asset Ecosystem ETF	Technology	Active Cryptocurrency Growth Technology Long-Term Bond	$17.9M	0.65%	$59.80	+32.76%
XLSI	State Street Consumer Staples Select Sector SPDR Premium Income ETF	Consumer Defensive	—	$21.8M	0.35%	$23.60	+0.06%
RBND	SPDR Bloomberg SASB Corporate Bond ESG Select ETF	Cash & Others	ESG Corporate Bond	$22.9M	0.12%	$20.97	—
PRAB	State Street IG Public & Private ABS ETF	—	Mortgage Income Corporate Bond	$24.6M	0.39%	$24.77	—
MBND	State Street Nuveen Municipal Bond ETF	Cash & Others	Active Income Value Municipal Bond	$26.0M	0.40%	$25.96	-5.23%

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SPDR ETFs

Frequently Asked Questions