Stock index trading approaches

What you are trading

A stock index tracks a basket of shares. The Dow Jones Industrial Average (often quoted as US30) holds a small group of large US companies and is weighted by share price. The Nasdaq-100 (quoted as US100, USTEC or NAS100) is weighted by company size and leans heavily towards technology. For background on the instruments, see Stock indices, US30, USTEC and NAS100.

Most retail index trading uses CFDs (contracts for difference). A CFD lets you profit or lose on price movement without owning the shares. Leverage makes small moves large in money terms, so leveraged CFD trading can lose money fast, including more than you planned for a single trade.

Mechanics that shape every index strategy

Opening hours and sessions

An index CFD often quotes for longer than the underlying exchange is open. The real volume arrives during the US cash session, which opens in the evening Pakistan time. Outside that session, prices move on futures activity and thinner liquidity, and spreads (the gap between buy and sell price) usually widen. A rule that works in the cash session may behave differently overnight.

Gaps

A gap happens when price opens away from where it closed, with no trading in between. Index CFDs gap after daily breaks, weekends and holidays, and after news released while the market is closed. A stop-loss does not protect you inside a gap. It becomes a market order and fills at the next available price, which can be far beyond your stop level.

Earnings season

Each quarter, companies publish results over a few weeks. For the Nasdaq-100, a handful of very large companies carry a big share of the index, so one result released after the US close can move US100 sharply overnight. US30 reacts to its price-weighted members, where a high-priced share has more influence than its company size suggests. Check the earnings calendar before holding a position overnight in this period.

Fixed leverage and margin

Margin is the deposit your broker holds to keep a position open. On many platforms, index CFDs carry their own fixed leverage or margin requirement, separate from the leverage on your account. That means the margin per position may not change when you change account leverage, and it can be raised around holidays or major events. Read the contract specification in your platform before trading, and check the current conditions on the broker's official site. Holding a position overnight usually also involves a swap charge; see Swap fees.

To work out what a one-point move means in your account currency, use the tools on Calculators.

Common approaches, their rules and how they lose

None of these approaches is a recommendation, and none has a built-in edge. Test any rule set with backtesting and a demo account before risking money.

Opening range breakout

Mechanics: Mark the high and low of the early part of the US cash session. Enter when price breaks out of that range, with a stop on the other side. More on the general idea: Breakout trading.

Typical rules: trade only in the cash session; skip days with major data at the open; size the position so the full range equals your fixed risk.

How it loses: false breakouts that reverse back into the range; wide spreads and slippage (a fill at a worse price than requested) at the open; on wide-range days, the stop sits so far away that the position has to be tiny.

Trend following on pullbacks

Mechanics: Identify direction on a higher timeframe, then enter when price pulls back towards a moving average or a prior level. See Trend following.

Typical rules: trade only in the direction of the higher-timeframe trend; exit when price closes beyond the last swing point.

How it loses: trends end abruptly on earnings or macro news; sideways markets produce repeated small losses; overnight gaps skip past stops.

Intraday mean reversion

Mechanics: Assume stretched moves within a session return towards an average, such as the session VWAP (volume-weighted average price). See Mean reversion.

Typical rules: fade only extreme moves; avoid news days; close all positions before the session ends.

How it loses: on trend days price keeps going, and traders who add to losing positions turn a small loss into a large one.

Gap trading

Mechanics: Either bet that an opening gap partly fills (gap fade) or that it continues (gap and go).

How it loses: gaps caused by real news, such as a large earnings surprise, often do not fill. The direction the gap will take is not knowable in advance.

Hypothetical example

This example is hypothetical, for illustration only, and makes no claim about results. A trader plans an opening range breakout on US100. A major company in the index reports after the previous close, and the index opens with a gap. The range is unusually wide, so the trader's rules call for a smaller position. Price breaks the range high, the trader enters, and within minutes price reverses through the range low and hits the stop with slippage. The loss is larger than the planned risk because of the fill price. The plan worked as designed. The market simply did not follow through.

Risk controls that apply to all of them

• Fix the money you can lose per trade before entering, and size from the stop distance. See Risk management.
• Treat overnight and weekend holding as a separate risk because of gaps.
• Reduce size or stand aside around earnings from the largest index members.
• Watch margin: fixed index margin can rise, and a margin call or stop-out (forced closing of positions) can happen during fast moves.

Legal position in Pakistan

Trading in listed securities and commodities in Pakistan falls under the Securities and Exchange Commission of Pakistan (SECP), with trading in listed securities and commodities only via SECP-licensed securities and futures brokers. On offshore products, per the SBP, the purchase of offshore forex/margin/CFD products by Pakistani residents violates section 4(1) of FERA 1947, and per the SBP, remitting foreign exchange to overseas forex/margin/CFD platforms is not allowed through any payment channel (FERA s.5(1)). Also, per the SECP, offshore platforms have no Pakistani licence or oversight and offer no legal protection or recourse. Read Law and regulators before opening any account, and see PSX basics for the local regulated market.

Frequently asked questions

Is index trading the same as buying shares?

No. With an index CFD you hold a contract on price movement, not the shares, and leverage magnifies both gains and losses.

Why does my stop-loss fill worse than its level?

A stop becomes a market order. In a gap or a fast market it fills at the next available price, which can be beyond your level.

Does a Nasdaq trading strategy work on US30?

The mechanics carry over, but the indices are built differently. The Nasdaq-100 is more exposed to a few large technology names, and US30 is price-weighted, so test rules on each one separately.

Why didn't changing account leverage change my index margin?

Many platforms apply fixed leverage to index CFDs. Check the contract specification in your platform.

When is earnings season risk highest?

When the largest index members report, especially after the US close, because the index CFD can gap at the next open.