Disclaimer: Data may be delayed, incomplete or inaccurate. For education and research only. Use at your own risk. Not financial advice. Nothing here is a recommendation to buy, sell or hold any security. Do your own research or speak to a licensed adviser before investing.
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S&P 500 Market Monitor
The S&P 500 through its 11 sectors and 62 of its largest companies, refreshed several times each trading day. It covers which sectors lead, whether the rally is broad or carried by a few giants, how fearful the market is, where rates are, and which stocks have momentum.
Today's read
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Sector performance
Sectors use the official Select Sector SPDR ETFs, which hold every S&P 500 company in each sector. "Above 200-day" counts the tracked stocks in that sector.
Sector
ETF
1 day
1 week
1 month
3 months
Year to date
1 year
Volatility
Beta
Above 200-day
Sectors over one year, rebased to 100
Monthly sector returns, last 12 months
Green is a gain and red a loss; stronger colour means a bigger move.
Breadth and concentration
Is the whole market rising, or only its biggest names? The equal-weight ETF gives every company the same weight, so when it lags the normal (cap-weighted) index, a few mega-caps are doing the work.
Equal-weight vs cap-weight (RSP ÷ SPY)
A falling line means market leadership is narrowing to the largest stocks.
Share of tracked stocks above their 50-day average
S&P 500 with 50- and 200-day averages
S&P 50050-day200-day
Volatility and rates
The VIX is the market's price for S&P 500 volatility over the next 30 days: under 15 is calm, over 25 is stressed. The 10-year Treasury yield drives valuations, especially for growth stocks.
VIX, one year
US 10-year Treasury yield, %, one year
Stock screener
Click a column heading to sort and a sector to filter. Click any row to chart that stock. RSI above 70 is often read as overbought and below 30 as oversold.
Ranked by 3-month return among the tracked stocks.
Strongest 3-month moves
Company
3M
1M
RSI
Trend
Weakest 3-month moves
Company
3M
1M
RSI
Trend
Risk
One-year volatility against return for each stock, and how the sectors move together.
Risk against return, one year
Each dot is a stock, coloured by sector.
Sector correlations, daily returns over one year
Low numbers mean sectors diversify each other.
Sources and method
Prices: Yahoo Finance via the open-source yfinance library, adjusted for dividends and splits; usually about 15 minutes delayed. The 62 companies are large S&P 500 members chosen to cover all 11 sectors, not the full index.Data notice: price data comes from Yahoo Finance and is shown for non-commercial, educational use only. Exchange and index data remain the property of their owners (Bursa Malaysia, NYSE, Nasdaq, S&P Dow Jones Indices). This site has no ads and earns nothing. Rights holders can ask for any data to be removed by opening an issue, and it will be taken down promptly.Sector performance uses the Select Sector SPDR ETFs (XLK, XLF, XLV, XLY, XLC, XLI, XLP, XLE, XLU, XLRE, XLB). Concentration uses RSP (equal weight) against SPY (cap weight). Volatility is the Cboe VIX; rates are the 10-year Treasury yield (^TNX).Returns use trading days: 1 week = 5, 1 month = 21, 3 months = 63, 1 year = 252. Volatility is the annualised standard deviation of daily returns; beta is measured against the S&P 500 over one year; Max DD is the largest fall from a peak over one year; RSI is the 14-day Wilder index. Trend is "Up" above a rising 50-day average that is above the 200-day, "Down" for the reverse, otherwise "Mixed".A GitHub Actions job takes two snapshots of the latest prices while US markets are open (about 10:45 am and 1:45 pm New York time, winter hours) and rebuilds the full history after the close. Prices are not live: during the day they can be a few hours old.Disclaimer: Data may be delayed, incomplete or inaccurate. Use at your own risk. Not financial advice. Past performance does not predict future returns.