iShares Core S&P 500 ETF vs iShares 20 Plus Year Treasury Bond ETF — how do they compare? iShares Core S&P 500 ETF trades at $781.88 (market cap $897.20B), while iShares 20 Plus Year Treasury Bond ETF trades at $77.91 (market cap $47.61B). The key difference: iShares Core S&P 500 ETF is far larger — about 18.8× iShares 20 Plus Year Treasury Bond ETF's market cap, and iShares Core S&P 500 ETF is trading nearer its 52-week high, iShares 20 Plus Year Treasury Bond ETF nearer its low. Which is the better fit depends on your goals — on Pluang, investors hold iShares Core S&P 500 ETF for 46 Days and iShares 20 Plus Year Treasury Bond ETF for 83 Days on average.
| IVV | TLT | |
|---|---|---|
Market Cap | $897.20B | $47.61B |
Volume | 4,580,672 | 49,263,490 |
Sector | Broad Market / Factor | Fixed Income |
52-Week High | $782.58 | $92.06 |
52-Week Low | $634.93 | $77.11 |
Typical Hold Time | 46 Days | 83 Days |
Signals from Pluang's Aura AI — not financial advice
IVV, tracking the S&P 500, trades at $782.06, up 0.19% with a bullish technical signal from moving averages. The ETF shows neutral oscillator readings with RSI at 68.88 suggesting mild overbought conditions. Recent news highlights S&P 500 valuation debates, with earnings growth expected to slow from 35% in 2026 to 15% in 2027 according to Wall Street analysts (24/7 Wall Street, 2026-10-03).
The outlook remains cautiously optimistic with seasonal patterns favoring year-end rallies, though concentration risks in top holdings and slowing profit growth present headwinds. Key support at $775 and resistance at $780 will dictate near-term direction as investors monitor economic data and Federal Reserve policy.
TLT, the iShares 20+ Year Treasury Bond ETF, is trading at $77.83 with a 0.89% daily gain amid a challenging bond market environment. The ETF has declined 11% year-to-date and 46% over five years as Treasury yields reach multi-decade highs. Technical indicators show a bearish trend with moving averages signaling sell pressure, while oscillators remain neutral. Recent news highlights significant bond market volatility with Treasury yields hitting levels not seen since 2007.
The outlook for TLT remains heavily dependent on interest rate direction, with current high yields presenting both income opportunity and continued price risk. Key risks include persistent inflation pressures and Federal Reserve policy uncertainty. Investors should weigh the attractive yield against potential further bond price declines if rates continue rising.
Trailing returns across standard periods
What Pluang investors did over the last 30 days
Latest headlines on both assets
IVV tracks the performance of the S&P 500 Index, offering low-cost exposure to 500 of the largest US companies. It is a cornerstone for long-term investors seeking broad growth in the US stock market.
Read more on IVV →The fund will invest at least 80% of its assets in the component securities of the underlying index, and it will invest at least 90% of its assets in US Treasury securities that the advisor believes will help the fund track the underlying index. The underlying index measures the performance of public obligations of the US Treasury that have a remaining maturity greater than or equal to twenty years.
Read more on TLT →