Pre-Market and After-Hours Trading Activities

Some of the most important market moves can take place outside of the 9:30 a.m. to 4 p.m. ET (Eastern Time) regular trading session of the New York Stock Exchange (NYSE) and Nasdaq.

The often-volatile pre-market trading session is widely followed to gauge the market outlook ahead of the regular open. Price volatility is driven by forces outside the regular trading session, and knowing how to trade stocks and futures during this period is an opportunity for investors looking to profit. After close is important as well, as investors take stock of the day and make trades that might have been too volatile directly at the close.

Key Takeaways

• Pre-market and after-market trading is used to gauge the regular market open, and there are ways to take advantage of this trading session.
• Investors can use pre- and after-market sessions to take advantage of news releases and updates that aren’t presented during normal market hours.
• Such news and releases that investors will want to pay attention to include economic indicators and earnings releases.
• Electronic communication networks (ECNs) allow the facilitation of pre- and after-market trading.

Economic Indicators

Economic indicators are key drivers of price action in the pre-market trading session. A majority of important economic releases are issued at 8:30 a.m. ET, one hour before the New York market opens. Market reaction to the data can cause substantial price moves and set the trading tone for the entire day. 

The Employment Situation Summary, issued by the Bureau of Labor Statistics at 8:30 a.m. ET on the first Friday of every month, is the release with the greatest impact on the market. Other major market-moving reports released at 8:30 a.m. ET include the gross domestic product (GDP), retail sales, and weekly jobless claims. Looking at the analyst expectations for these numbers will help you understand the market reaction.

Usually, the biggest market moves occur when the number far exceeds or misses the expected forecast, creating high volatility and the trading risks and opportunities that accompany it.

Earnings Releases

Earnings season refers to the period in which publicly traded companies release their quarterly earnings reports. Earnings season starts one or two weeks after the end of each quarter. Consequently, most companies release their earnings in early to mid-January, April, July, and October. During this time, company earnings are generally released before the market opens and after the close, often causing substantial price moves in the underlying stocks outside regular trading hours.

As with economic indicators, the largest reactions typically occur when a company substantially exceeds or misses expectations. Having access to extended-hours trading allows the stock trader to react quickly and potentially capitalize on the initial reaction to positive or negative news.

Major News Events

News and announcements of major geopolitical events are often reported after regular trading hours or over the weekend, potentially causing massive market moves. Wars and natural disasters are examples of unexpected events that can take the market by surprise at any time. Having access to the market before the market open allows you to better position yourself and hedge against risk in case of such unforeseeable events.

Trading Stocks on ECNs

Electronic communication networks (ECNs) are a mechanism that enables traders to participate in extended-hours stock trading. ECNs are electronic trading systems that automatically match buy and sell orders at specified prices, allowing major brokerage firms and individual traders to trade directly among themselves without requiring a middleman such as an exchange market maker.

Most orders placed through ECNs are usually limit orders, which is fortunate, given that after-hours trading often has a notable impact on a stock’s price.

Pre-market trading in stocks occurs from 4 a.m. to 9:30 a.m. ET, and after-hours trading on a day with a normal session takes place from 4 p.m. to 8 p.m. Many retail brokers offer to trade during these sessions but may limit the types of orders that can be used.

One important consideration is that the level of liquidity is typically much lower when trading outside regular market hours. The spreads between bid and offer prices are often wider, and the “thin” level of trading can cause higher volatility, carrying with it the associated risks and opportunities.

The Futures Market

The futures market, especially the benchmark S&P 500 futures contract, is closely followed in the pre-market session to gauge market sentiment for the day. Futures contracts are standardized contracts to buy or sell an asset, such as a physical commodity or a financial instrument, at a predetermined future date and price.

Stock index futures are futures contracts on financial indexes such as the Dow, Nasdaq, or the S&P 500. The Chicago Mercantile Exchange’s E-mini S&P 500 futures contract is the world’s most actively traded stock index future.

Trading virtually 24 hours a day, E-mini S&P 500 futures can indicate how the market is likely to trend at the start of the New York session open. S&P 500 futures are often used by money managers to either hedge risk over a certain time period by selling the contract short or to increase their stock market exposure by buying it.

In addition to offering market access almost 24 hours a day, a major benefit of trading E-mini S&P 500 futures is the high liquidity level. The bids-to-offer spreads are consistently tight. The spread is effectively a cost of entry to the market. Tight spreads are critical because the wider the spread, the more the trade has to move in your favor just to break even.

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