Trading Large-Cap Earnings and News Gaps with Gap History

Large caps don't usually move 80% in a morning. But when a $200 stock gaps 7% on earnings, the dollar moves are big, the liquidity is deep, and the setup can be just as tradable as any small-cap runner. The hard part is knowing what "normal" looks like for that particular stock.

Some large caps gap up on earnings and keep going for days. Others gap up and sell off from the open, every quarter, like clockwork. If you trade earnings and news gaps without knowing which kind you're dealing with, you're guessing.

This post shows how a large-cap trader can use EdgeVero to prepare for an earnings or news gap, from the night before to the first hour of trading.

Before the report: know when it's coming

It starts with the earnings calendar. Check which names report before the open and after the close, and add the ones you care about to your watchlist. That gives you a short list for the next morning instead of a scramble at 7:00 AM ET.

This is also the best time to do your homework, before the numbers come out and emotions take over. Pull up gap history for each name on your list (more on that below) so you already know how it tends to trade after a report.

Finding the gap: the scanner

When the report hits, the scanner is where you see the reaction. EdgeVero has ready-made gapper, momentum and after-hours scans, and you can build your own filters on top. For large caps, a simple filter might be:

• Price above $20
• Average volume above 1 million shares
• Gap of 3% or more

A small flame next to the symbol means there's fresh news. Hover over it to read the headline without leaving the scanner.

Filters can be scheduled to change through the day, so you can run one set of filters in premarket, another during regular hours and another after hours. For earnings traders that's handy: after-hours scans catch the reports that come out after the close at 4:00 PM ET, and premarket scans catch the morning reporters.

Voice alerts let you hear when a stock hits your scan, so you don't have to watch the scanner every second.

A note on relative volume: EdgeVero's RVOL isn't adjusted for time of day, so early in the session it can read lower than a time-of-day adjusted number would. Keep that in mind when you compare names at 9:45 AM ET.

Reading the news: what actually happened?

A gap is only as good as the reason behind it. EdgeVero's breaking news puts market news, press releases and SEC filings in one live stream.

Click a news article for an AI summary, so you get the main points without reading the whole piece. SEC filings are summarized in plain English within about a minute, with the bottom line first. For large caps, that's useful when the earnings release comes with an 8-K, or when news like a buyback, a guidance change or an acquisition lands in a filing.

The question you're trying to answer: is this a gap on a real change in the business (a guidance raise, a big beat, a deal), or a gap on a headline that may not hold up?

Gap history: how did this stock behave last time?

This is where you stop guessing. EdgeVero's Advanced Gap Intelligence shows every gap of the past 2 or 5 years for the stock, filtered your way. For a large cap, five years can mean around 20 earnings reports plus any big news days in between.

You can filter for the gaps that look like today's, for example only gap-ups of 5% or more, or only gap-downs. Then look at:

Day 1 stats. On those gap days, how often did the stock close green vs red? What were the average spike, high, low and close? A stock that closed red on most of its earnings gap-ups is telling you something about how buyers and sellers react to good news in that name.

Day 2 stats. What happened the next day? Did the move continue or give back? If you're thinking about holding overnight, or trading a second-day move, this matters more than Day 1.

Average move by hour. Across its gap days, how did the stock move hour by hour? Some names do most of their move in the first hour and then drift. Others trend all day. Knowing this helps you decide when to be aggressive and when to sit on your hands.

Intraday chart of any past gap day. One click opens the intraday chart of a past gap day. Pick the last two or three earnings gaps and look at how they actually traded: did they hold VWAP, fill the gap, make a new high after lunch?

A worked example

Say a large-cap stock reports after the close and trades up 6% in the after-hours session. You pull up its gap history and filter for gap-ups of 4% or more over the past 5 years. Suppose you find 11 such days, mostly earnings.

On those days, suppose:

• It closed green 4 times and red 7 times.
• The average high came early, usually in the first hour.
• On Day 2, it continued higher only a few times.

That doesn't mean you should short the open. It means the stock has a history of selling into good news, so chasing the open may need extra caution, and a long might need confirmation such as holding above VWAP after the first 30 minutes. Historical patterns don't guarantee future results, and a quarter with a big guidance change can behave very differently from the past.

Now flip it. If the same filter showed 9 green closes out of 11 and strong Day 2 follow-through, you might look at the gap differently. The point isn't the numbers in this made-up example. It's that you look them up for your stock, instead of assuming every earnings gap works the same.

During the trade: chart and context

Once you're watching the open, the chart does the work. EdgeVero has live TradingView charts with VWAP lines, and your drawings are saved, so the levels you marked the night before are still there in the morning.

Widgets are linked: click a symbol in the scanner or watchlist and the chart, news, Key Stats and gap history all update together. Key Stats show float, short interest and financials, which helps put a move in context. The heatmap shows how the rest of the market and sector are moving, so you can tell if your stock is moving on its own news or with everything else.

If a stock gets halted, trade halts come with voice alerts. You can build custom layouts, for example one for earnings season and another for regular days.

The routine, in short

1. Night before: Check the earnings calendar, build a watchlist, look up gap history for each name.
2. After hours / premarket: Use the after-hours and gapper scans. Read the news and filing summaries.
3. Before the open: Filter gap history for gaps like today's. Check Day 1, Day 2 and average move by hour.
4. At the open: Watch VWAP, your saved levels and the first-hour behavior. Compare what you see with the stock's history.

Try it

EdgeVero Pro is $69.99/month or $599.88/year, with a 7-day free trial (card required). Try it on the next earnings season and see how your top names behaved on their past gaps.

This post is for information only and is not investment advice. Historical patterns don't guarantee future results.

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