News trading and spread widening — the hidden cost of trading the data

The first Friday of the month, 13:30 GMT, the release of the US labour-market data. A second earlier the EUR/USD spread sat around one pip and everything looked normal. After the release it widens for a moment to a dozen pips or more, the rate whips both ways, and a market order fills at a price far worse than the screen showed. This is the most common trap in news trading — and exactly why the naive plan of "buy the breakout on the number itself" breaks on costs a beginner rarely accounts for.

Where spread widening around the data comes from

The spread is the gap between the buy and sell price, and its size depends on how many participants compete for your order at that moment. In a calm market the competition is dense, so the spread on a liquid pair like EUR/USD stays narrow. Just before an important release that flips: liquidity providers — banks and specialised market-makers — do not know which way the rate will jump or how hard, so they pull their tight quotes or offer them with a large buffer. Your retail broker does not create the price; it sources it from those providers and passes it on, the sudden widening included.

Directional risk adds to this. A market-maker does not want a large one-sided position a second before a surprise, so it throttles volume and raises the price of that service, which is precisely the spread. Liquidity that looked deep a moment earlier turns thin for a few seconds, and the risk of price slippage and requotes rises with it, because the rate moves faster than your order reaches the server. This is not a scheme against the retail trader but a natural reaction to a step-change in uncertainty — the Bank for International Settlements shows that breaks in the typical level of spreads coincide precisely with macroeconomic events. A similar mechanism, albeit for different reasons, is behind the midnight spread spike and stop-loss hunting around 23:00.

Which releases widen the spread the most

Not every line in the calendar moves the market the same way. The largest spread expansions come from events that genuinely change expectations about interest rates or the state of the economy. Three categories regularly return to the top of that list, and how to read them and when to expect them is something I cover in the piece on using the economic calendar.

The most dangerous for an account is the monthly nonfarm payrolls report, the NFP data, along with any rate decision paired with a press conference. The reaction is often two-staged: the market first jumps on the headline, then changes its mind once participants read the detail. That is when the most naive breakout positions are lost.

Why the "buy the breakout on the number" plan usually fails

The idea seems tempting in its simplicity: if the rate rises after a good number, just buy at the release and ride off with the market. The problem is that you combine the three worst things at once. You do not know the direction of the surprise — if you did, you would be rich. You enter at the widest spread of the day, so the position starts at a large loss before the market even moves. And you expose yourself to slippage, which can fill you even further from the price on the screen.

A treacherous stop mechanism adds to this. A stop loss placed too close can be triggered by a violent two-way move before the rate goes "your" way — often at a price worse than the stop level itself, because of slippage. This is how news trading differs from a classical breakout strategy in a calmer market, where the spread is stable and levels behave predictably. The difference in the very approach to the market is one I also lay out in the comparison of the fundamental and technical trader.

"To trade the data you have to understand not just the number itself but how the market will interpret it against expectations — because it is the difference between forecast and outcome that moves the rate, not the reading on its own." — Kathy Lien, Day Trading and Swing Trading the Currency Market, Wiley, 2016.

Safer approaches to trading around releases

Since cost and speed work against you in the very minute of the number, sensible strategies rely either on patience or on deliberate absence. The simplest is to trade the trend only after the dust settles. Instead of guessing the direction, you wait for the first wave to pass, the spread to return near normal, and the market to show which reading of the data it has chosen. Often a clean move appears only after fifteen or thirty minutes, one you can enter with a sensible reward-to-risk ratio.

The second route is simpler still: use the calendar to avoid positions. If a central-bank decision is due in ten minutes, hold no open position and do not enter until things calm down. For many retail traders it is exactly this "empty" decision that saves the most. If you must be in the market, cut your position and widen the stop loss, so the elevated volatility around the data does not throw you out on the first flicker. You can also carefully fade extreme overreactions — when the market shoots too far on the headline and turns back — but that is a technique for the advanced, not for beginners.

A hypothetical, purely illustrative example shows the logic. Suppose that after a CPI release the market first buys the dollar sharply and the spread briefly rises to a dozen pips. The patient trader stays still. When the spread returns near one pip and EUR/USD settles into a clear downward direction, confirming it with successive lows, only then does the trader consider an entry aligned with that move — a stop above the local high, a target at the nearest meaningful level. It is still risky, but at least it avoids the highest cost of entry and rests on data that did not exist earlier.

Honestly: news trading is one of the hardest styles

This has to be said plainly, because the course industry happily promises the opposite: trading the data is among the hardest styles for a retail trader. Cost, speed and the ambiguity of the data combine to make it so — each can sink an account on its own, and in the minute of a release they strike together. The hard regulatory fact is that on CFD markets the majority of retail accounts lose money, whatever the method, and trading the releases tends to worsen that share rather than improve it. A broader picture of different trading styles is in the section on trading strategies.

What to do tomorrow

1. Open the economic calendar and mark every highest-impact release for the coming week — central-bank decisions, labour-market data and inflation readings above all — then treat those hours as windows in which you do not open new positions by default.
2. For the next few releases, watch only the spread readout on a demo account and note how many pips it widens to and how long it takes to settle back — this shows the real cost of entry instead of guessing it from theory.
3. Before you even think about trading the data, calculate on your own broker how much a trade must earn just to cover the wide spread and the likely slippage in the minute of the number — if that figure looks unrealistic, you have your answer about whether this style suits you.
4. If you do choose the "after the dust" variant, set the rule in advance: enter only once the spread returns near normal and the rate confirms its direction with another structural move, and never risk more than one percent of your capital on such a trade.
5. Treat every advertisement of a "guaranteed profit on NFP" as a red flag and weigh it against the hard regulatory fact that most retail CFD accounts lose money — that grounds your expectations and protects you from the most expensive beginner mistake.

Spread widening around the data is not a broker error but a built-in feature of a market that briefly loses certainty about the price. For the naive plan of "buy the breakout on the number" it is lethal, because it combines an unknown direction with the highest cost of the day. For a trader who understands the mechanics it becomes a signal to be patient: wait for the dust to settle, or deliberately stay out. The best decision in the minute of a release is often simply not making one — and there is nothing shameful in that; on the contrary, it is a sign of maturity.