Stock
A share of ownership in a company. When you buy a stock, you own a small piece of that company.
Portfolio
Your collection of all investments including stocks, bonds, crypto, etc.
Dividend
A payment made by a company to its shareholders, usually from profits.
Market Cap
Total value of a company. Share price × number of shares.
Bull Market
Rising prices, optimistic sentiment.
Bear Market
Falling prices (20%+ decline), pessimistic sentiment.
Volatility
How much prices change. High volatility = big swings.
Market Order
Buy/sell immediately at current price.
Limit Order
Buy/sell at a specific price or better.
Stop Loss
Auto-sell when price falls to limit losses.
Take Profit
Auto-sell when price rises to lock in gains.
Support
Price level where buying prevents further decline.
Resistance
Price level where selling prevents further rise.
Moving Average
Average price over a period, smoothing price action.
RSI
0-100 momentum indicator. >70 overbought, <30 oversold.
Volume
Shares traded. High volume = strong conviction.
Position Size
Capital allocated to one trade.
Risk/Reward
Potential profit vs loss. Aim for 2:1+.
Diversification
Spread investments to reduce risk.
Leverage
Borrowed money to amplify returns (and risks).
Day Trading
Buying and selling within the same day.
Swing Trading
Holding for days to weeks.
Long
Buying, expecting price to rise.
Short
Selling borrowed shares, expecting price to fall.
ETF
Fund that trades like a stock, holds multiple assets.
Blockchain
Decentralized ledger recording all transactions.
Wallet
Software/hardware storing your crypto keys.
DeFi
Decentralized Finance - financial services on blockchain.
Staking
Locking crypto to earn rewards.