US30 trading glossary A-Z.
Every term you'll encounter when trading US30 (Dow Jones), explained clearly and concisely. Bookmark this page — you'll come back to it often as you learn.
40+ terms · Last updated: May 2026
A – D
Ask
The price at which you can buy an asset. Also called the "offer" price. In US30, the ask is always slightly higher than the bid — the difference is the spread. When you open a buy trade, you enter at the ask price.
ATR (Average True Range)
A volatility indicator that measures the average range of price movement over a specified period. For US30 on the H1 chart, ATR(14) might read 120, meaning US30 has averaged 120 points of range per hour over the last 14 candles. Used for stop-loss placement and volatility assessment.
Bid
The price at which you can sell an asset. The bid is always slightly lower than the ask. When you open a sell trade, you enter at the bid price. When you close a buy trade, you exit at the bid price. The bid-ask difference is the spread.
Broker
A financial intermediary that provides access to US30 CFDs or futures-linked products. Retail traders need a broker who provides a trading platform, executes orders, and sets margin requirements. Brokers earn from spreads, commissions, or both.
Cash Index
A broker-quoted product that tracks the current Dow Jones Industrial Average level. Cash US30 CFDs are popular for intraday trading because they mirror the index level closely and are quoted in points.
Candlestick
A chart representation showing the open, high, low, and close of a price period. A green bullish candle means the close was higher than the open. A red bearish candle means the close was lower. Candlestick patterns are the foundation of technical analysis in US30 trading.
CFD (Contract for Difference)
A financial derivative that lets you profit from price movements without owning the underlying asset. Most retail US30 trading is done through CFDs — you never own the index constituents. Your profit or loss is the difference between your entry and exit price, multiplied by your contract size.
Correlation
The statistical relationship between two assets. US30 often correlates with other US equity indices, Treasury yields, the VIX, and risk sentiment. The dollar relationship is more nuanced because a strong dollar can help some importers but pressure overseas earnings for multinationals.
DXY (US Dollar Index)
An index measuring the dollar's value against a basket of six major currencies (EUR, JPY, GBP, CAD, SEK, CHF). US30 traders watch DXY because dollar strength can affect multinational earnings, inflation expectations, and Fed policy expectations.
Drawdown
The peak-to-trough decline in your account balance. If your account reaches $10,000 and then drops to $8,500, you have a $1,500 (15%) drawdown. Drawdowns are inevitable — the goal of risk management is to keep them small and recoverable.
E – L
Entry
The price at which you open a trade. A good entry is at a price where risk is minimized and potential reward is maximized — typically at a support/resistance level, moving average, or signal-provided level. Entries can be at market (instantly) or via pending orders (limit or stop).
Fill
The execution of your order at a specific price. If you place a market order to buy US30 at 38100, your fill might be 38100 or 38105 during fast markets. Fill quality depends on your broker's execution speed and current market liquidity.
FOMC (Federal Open Market Committee)
The Federal Reserve committee that sets US monetary policy, including interest rates. FOMC meetings and the subsequent press conference are among the biggest scheduled US30-moving events because they affect growth expectations, yields, and risk appetite.
Fundamental Analysis
Analyzing economic data, central bank policy, corporate earnings, and geopolitical events to predict price direction. For US30, key fundamentals include Fed policy, earnings guidance, GDP, CPI, NFP, credit conditions, and sector rotation. Contrasts with technical analysis.
Dow Jones Industrial Average (DJIA)
A price-weighted index of 30 major US companies. US30 is the common CFD and retail-trading symbol for this index. Because it is price-weighted, higher-priced components have more influence on index movement.
Hedge
A position taken to offset potential losses in another position or portfolio. Traders may hedge US30 exposure with options, futures, inverse ETFs, or correlated assets when event risk is elevated.
Leverage
The ability to control a larger position than your deposit would normally allow. Leverage amplifies both profits and losses equally. Index margin requirements vary by broker and regulation, so use effective leverage conservatively.
Limit Order
A pending order to buy below or sell above the current price. A buy limit at 2,340 means your order executes only if price drops to 2,340. Limit orders let you enter at better prices but risk never getting filled if price doesn't reach your level. Contrasts with market orders (instant execution).
Liquidity
The ease with which an asset can be bought or sold without significantly affecting its price. US30 liquidity is strongest during the US cash session, especially near the open and around major economic data. Liquidity drops around holidays and outside active US equity hours.
Lot
The standard unit of trade size. For US30 CFDs, 1.0 lot commonly equals 1 index contract, often worth about $1 per point, but broker specifications vary. Your lot size determines your dollar-per-point exposure.
M – R
Margin
The deposit required to open and maintain a leveraged position. For US30, margin depends on the index level, contract size, and broker leverage. If your account equity drops below the maintenance margin level, your broker issues a margin call. Margin requirements vary by broker and regulation.
Margin Call
A notification from your broker that your account equity has fallen below the required margin level. If you don't deposit more funds or close losing positions, the broker will automatically close your trades (stop-out) at the worst possible time. Proper position sizing prevents margin calls entirely.
Market Order
An order to buy or sell immediately at the current market price. Market orders guarantee execution but not price — during fast markets, you may experience slippage. For US30 during major news, slippage can be several to dozens of points.
Moving Average (MA)
A technical indicator that smooths price data by calculating the average over a specified period. The 50-period and 200-period MAs are widely watched on US30 charts. Price above the 200 MA = bullish trend; below = bearish. MA crossovers can signal trend changes.
NFP (Non-Farm Payrolls)
A monthly US employment report released on the first Friday of each month. NFP affects US30 through growth expectations and Federal Reserve rate expectations. Strong jobs data can support the index when it signals resilience, but can pressure it if it implies tighter policy. NFP releases can move US30 hundreds of points in minutes.
Order
An instruction to your broker to execute a trade. Orders can be market (immediate execution), limit (execute at a better price), or stop (execute at a worse price, used for stop-losses and breakout entries). All orders should specify the instrument, direction, size, and risk management levels.
Point
The standard price movement unit in US30 trading. A move from 38100 to 38101 is 1 point. Point value depends on broker contract size; many CFDs use about $1 per point for 1.0 lot, but you must confirm your broker specification.
Position
An open trade in the market. A long position profits when US30 rises. A short position profits when US30 falls. Position size determines your dollar exposure per point of movement. Managing position size is the most important aspect of risk management.
Pre-Market
The period before the regular US equity session when liquidity is thinner but index CFDs and futures can still move. US30 pre-market reactions often follow earnings, macro data, and overnight global news.
Resistance
A price level where selling pressure historically outweighs buying pressure, causing price to reverse or stall. Resistance levels are identified from previous highs, round numbers such as 38000 or 38500, and moving averages. When resistance breaks, it often becomes support.
Risk-Reward Ratio (R:R)
The ratio between potential loss and potential gain on a trade. If your stop-loss is 100 points and your take-profit is 250 points, the R:R is 1:2.5. A minimum 1:2 R:R is recommended. With 1:2 R:R, you only need a 34% win rate to break even.
S – Z
Scalping
An ultra-short-term trading style targeting small, rapid profits such as 20-60 points on US30. Scalpers may take multiple trades per session on the M1-M5 timeframe. Requires tight spreads, fast execution, and intense concentration. Not recommended for beginners.
Slippage
The difference between your expected execution price and the actual fill price. Slippage occurs during fast-moving markets when prices change between order submission and execution. On US30 during NFP or FOMC, slippage can be several to dozens of points.
Spread
The difference between the bid (sell) and ask (buy) price — your implicit transaction cost. US30 spreads are quoted in points and can widen during low-liquidity periods, the market open, and high-impact news events.
Stop-Loss (SL)
A pending order that automatically closes your trade at a predetermined loss level. It's your primary risk management tool. Every trade should have a stop-loss placed at the price where your thesis is invalidated. Never trade without one. Never move it further from your entry.
Support
A price level where buying pressure historically outweighs selling pressure, causing price to bounce. Identified from previous lows, round numbers, Fibonacci levels, and moving averages. Traders buy at support with a stop-loss below it. When support breaks, it often becomes resistance.
Swap
The interest charge or credit for holding a CFD position overnight. US30 swap rates depend on broker financing terms, index dividend adjustments, and interest rate environments. Some brokers offer swap-free accounts.
Take-Profit (TP)
A pending order that automatically closes your trade at a predetermined profit level. Combined with a stop-loss, it defines your risk-reward ratio. Place take-profits at logical technical levels (next support/resistance), not arbitrary distances. Let the market structure determine your targets.
Technical Analysis
Analyzing price charts, patterns, and indicators to predict future price movements. Based on the premise that all known information is reflected in the price and that patterns repeat. Common tools for US30: moving averages, RSI, MACD, Fibonacci retracements, VWAP, and support/resistance levels.
Timeframe
The time period each candlestick represents on a chart. M1 = 1 minute, M5 = 5 minutes, M15 = 15 minutes, H1 = 1 hour, H4 = 4 hours, D1 = 1 day, W1 = 1 week. Higher timeframes show broader trends; lower timeframes show detail. Multi-timeframe analysis combines both for better trading decisions.
Trend
The overall direction of price movement. An uptrend is characterized by higher highs and higher lows. A downtrend by lower highs and lower lows. "The trend is your friend" is the most fundamental trading principle — trading with the trend is significantly more profitable than trading against it.
US Cash Session
The regular US equity trading session, typically 14:30-21:00 UTC. US30 is most active around the US open, major economic releases, and the final hour of regular trading.
Volume
The number of contracts or lots traded in a given period. High volume confirms price moves — a breakout on high volume is more likely to sustain than one on low volume. On CFD platforms, volume may be broker tick volume rather than exchange-wide true volume.
US30
The common retail trading symbol for the Dow Jones Industrial Average. It tracks 30 major US companies and is usually traded through CFDs, futures, or index-linked products. Broker names may include Wall Street 30, DJ30, or Dow 30.
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Frequently asked questions.
What is a point in US30 trading?
In US30 trading, one point is one index-point movement, such as 38100 to 38101. Point value depends on contract size. Many CFD brokers quote 1.0 lot as roughly $1 per point, but contract specifications vary, so always confirm your broker's point value before sizing a trade.
What's the difference between stop-loss and take-profit?
A stop-loss is an order that automatically closes your trade at a loss when the price reaches a level that invalidates your trade thesis — it limits your downside. A take-profit automatically closes your trade at a profit when the price reaches your target. Together, they define the risk-reward structure of every trade. Both are pending orders set when you open the trade.
What does US30 stand for?
US30 is the common retail trading symbol for the Dow Jones Industrial Average, a price-weighted index of 30 major US companies. Brokers may also call it Wall Street 30, DJ30, or Dow 30.
What is spread in US30 trading?
The spread is the difference between the ask price and bid price — it is the implicit cost of every trade. If US30's bid is 38100 and the ask is 38102, the spread is 2 points. You start every trade slightly in the red by the spread amount.
What is leverage in US30 trading?
Leverage lets you control a position larger than your deposit. It magnifies both profits and losses equally. Index leverage limits and margin requirements vary by broker and regulation, so experienced traders size positions from risk per trade and stop distance rather than maximum available leverage.
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