Investingβ€ΊCharts & Indicators

Investment Charts & Indicators

The 7 key metrics every stock investor needs to understand. Plain-language definitions, formulas, and how to actually use them.

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P/E Ratio

Price-to-Earnings Ratio

Share Price Γ· Earnings Per Share

The P/E ratio tells you what you β€” the investor β€” are paying for each dollar this company earns. A P/E of 25 means you're paying $25 for every $1 of annual earnings. As a benchmark, the S&P 500's historical average P/E is around 15–20. Higher ratios suggest strong growth expectations or possible overvaluation.

How to use it: Compare the P/E to the company's historical average and to industry peers. A high P/E in a slow-growth industry is a warning sign. A high P/E in a rapidly growing sector may be justified.
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EPS

Earnings Per Share

Net Income Γ· Shares Outstanding

EPS reveals how much a company earned per share of stock. Positive EPS means the company is profitable. Negative or "N/A" EPS means the company is losing money β€” though this doesn't automatically disqualify a stock. Early-stage companies often lose money while building a dominant position.

How to use it: Track EPS growth over time. Consistent EPS growth is a strong signal of a healthy, expanding business. A sudden EPS drop warrants investigation.
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Market Cap

Market Capitalization

Share Price Γ— Total Shares Outstanding

Market cap is the total market value of all a company's outstanding shares. It tells you the size of a company β€” and size has real implications for risk and return potential.

Small CapUnder $2 billion β€”Higher growth potential, higher risk
Mid Cap$2B – $10 billion β€”Balance of growth and stability
Large CapOver $10 billion β€”Established leaders, more stability
How to use it: Small caps can deliver outsized returns but can also collapse faster. Large caps are typically more stable but may offer slower growth. Most diversified portfolios include a mix.
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52-Week Range

52-Week High & Low

Highest and lowest traded price over the past 52 weeks

The 52-week range shows the highest and lowest prices a stock has traded at over the past year. This gives you context on where the stock stands relative to its recent history β€” and helps identify potential entry points.

How to use it: Buying near a 52-week high requires strong conviction in the thesis. Buying near a 52-week low can be an opportunity β€” or a trap. Always understand why the price is where it is before acting.
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Volume

Trading Volume

Number of shares traded in a given period

Volume measures how many times a stock has been traded (bought and sold) in a given period. High volume β€” generally 100,000+ average daily trades β€” ensures you can buy or sell quickly without significantly affecting the price. Low-volume stocks can be illiquid and hard to exit.

How to use it: Unusual volume spikes often precede or accompany major price moves. High volume on an upward move confirms strength. High volume on a downward move can signal distribution (large holders selling).
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Beta

Beta (Volatility Coefficient)

Calculated relative to the S&P 500 (Beta = 1)

Beta measures how volatile a stock is relative to the broader market. If the market moves 1%, a stock with a Beta of 2 is expected to move 2% in the same direction.

Beta = 1Moves with the market
Beta < 1More stable than the market (defensive stocks)
Beta > 1More volatile than the market
How to use it: In uncertain markets, lower-beta stocks provide stability. In bull markets, higher-beta stocks can amplify gains. Your risk tolerance and market outlook should guide this balance.
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Dividend Yield

Annual Dividend Yield

Annual Dividend Γ· Share Price Γ— 100

Dividend yield represents the annual cash payment from a company expressed as a percentage of the current share price. If a stock trades at $100 and pays $3 per year in dividends, the yield is 3%. This is income you receive simply for holding the stock.

How to use it: High dividend yields can be attractive β€” but a very high yield (8%+) can signal that the price has dropped sharply and the dividend may not be sustainable. Always check the payout ratio (dividends Γ· earnings) to confirm the dividend is supported.

Put These Metrics to Work

Our monthly watchlists apply these exact metrics to evaluate every stock and ETF we feature. See the analysis in action.

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