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Ride-the-Wave Strategy – Best for Stock Traders

Ride-the-Wave targets multi-day price momentum following a company’s earnings announcement (EA). With this strategy:

  1. Buy a stock one day post-EA if a stock reacts positively post-earnings:
    1. Near the close of trading the EA-day for a pre-market-EA
    2. Near the close of the following day for a post-market-EA
  2. Sell-to-close after 7-10 days, or possibly earlier if a desired price target is reached

Similarly,

  1. short a stock one day post-EA if a stock reacts negatively post-earnings:
    1. near the close of trading the EA-day for a premarket-EA
    2. near the close of the following day for a post-market-EA
  2. then buy-to-close after 7-10 days, or possibly earlier if a desired price target is reached

Important: Ride-the-Wave is predicated on significant price momentum triggered by an EA. The 7-10 day scenario is the maximum trade hold-time. If you see post EA-momentum is halted or reversed by a significant opposite move, re-evaluate your presence in the trade.

This popular StockEarnings screen below will give you a list of stocks that historically exhibit significant price momentum following an EA for the next seven days:

  1. Stocks exhibiting positive post-EA price moves are buy-candidates
  2. Stocks exhibiting negative post-EA price moves are sell/short-candidates

The screen includes those stocks whose Earnings just came out in last two days.

Screen criteria:

  1. Earnings Date Start Date : Current Date + -1 Day
  2. Earnings Date End Date : Current Date + -2 Days
  3. Predicted Move (Next Day) Max : 7%
  4. Predicted Move (On 7th Day) Min : 7%

Strategy Guideline:

  1. Buy the stock if stock has reacted positively. Short the stock if stock has reacted negatively (see above).
  2. Close the position in 7-10 days, or possibly earlier based on price move.

Volatility Crush Strategy - Best for Options Traders

The Volatility Crush strategy is used with stocks that typically experience relatively low-to-moderate price moves (≤4%) following their Earnings Announcements (EA). The basic trade idea is to sell put or call options right before the EA, collecting a credit when options premium is very high due to elevated implied volatility (IV). You then close the position right after the EA by buying the option back much cheaper due to the significant drop in IV that occurs after the mystery of the EA disappears. In assessing this trade, you need to do your homework to ensure you collect sufficient premium to make the trade worthwhile.

This trade is practical due to the low-to-moderate price-move after the EA, which generally won’t significantly affect the options price, unlike an “action” stock, which experience great price moves post-EA. With these symbols, if you’re on the right side of the price move, that’s a great thing. But if you’re on the wrong side of the move, not so great. Consequently, by minimizing the effect of the post-EA price move, you have a much better chance to profit from the reduction in IV without it being ruined by a violent price move.

For this trade, open the position either (1) the night before the EA when the company announces earnings or (2) during the EA day when it announces post-market, generally capturing IV at or close to its peak.

For this trade, open the position either (1) the night before the EA when the company announces earnings or (2) during the EA day when it announces post-market, generally capturing IV at or close to its peak.

This popular stockearnings screen will give you a list of stocks which do not react more than 4% fpost-EA. It includes only those stocks whose earnings are releasing next day.

Screen criteria:

  1. Earnings Date Start Date : Current Date + 1
  2. Earnings Date End Date : Current Date + 1
  3. Predicted Move (Next Day) Max : 4%
  4. Options Type: Weekly

Strategy Guideline:

  1. Options Strategy: Sell Call and Put
  2. Options Strike Price: Current Stock Price – (% Predicated Move x 2)
  3. Expiration Date: It should generally be the closest expiry immediately after the EA.
  4. Buy Insurance: Buying back Call and Put at Strike price which 10% lower than Sell Strike Price is optional but recommended.

Watch Video for More Detail

Volatility Rush Strategy - Best for Options Traders

The Volatility Rush takes advantage of increasing options premiums into earnings announcements (EA) caused by an anticipated rise in Implied Volatility (IV). With this strategy, Buy a Call and Put at-the-money (a long straddle) 2-3 weeks before the EA when IV is lower. Sell the position either (1) the night before the EA when the company announces earnings pre-market, or (2) during the EA day when it announces post-market, generally capturing IV at or close to its peak.

This popular screen will give you a list of stocks whose Options premiums tend to rise into Earnings. It includes only those stocks whose Earnings are at least two weeks away from today.

Screen criteria:

  1. Earnings Date Start Date : Current Date + 15 Days
  2. Earnings Date End Date : Current Date + 30 Days
  3. Predicted Move (Next Day) Min : 5%
  4. Options Type: Weekly or Monthly if that lines up with the two to three-week lead-time for entering the trade

Strategy Guideline:

  1. Buy a Straddle at or close to the money two to three weeks pre-EA.
  2. Sell the position either the night before the EA when the company announces earnings pre-market, or during the EA day when it announces post-market.
  3. Expiration date should generally be the closest expiry immediately after the EA.
  4. Straddle price should not be more 60% of predicted move.

Predicted Move (Volatility)

Similar to Implied Volatility in Options. Expected volatility % based on our Proprietary Volatility Predication Model. We are expecting that stock price will likely to reach % in either direction by the end of next trading session after Earnings are released and not necessarily the closing volatility %.

Why is it important?

    This indicator helps

  1. Knowing expected volatility in stocks after Earnings helps to decide trading stocks before Earnings Announcement.
  2. Taking Advantage of volatility collapse following Earnings Results by using Advance Options strategies such as Spread and Straddles.

Since Last Earnings

Change in share price since last Earnings release.

Why is it Important?

When share has gained more than 10% since it's last Earning release, it tends to over react to minor bad news and give up some gains if not all. So, it contains more downside volatility than upside When share has dropped more than 10% since it's last Earning release, it tends to over react to minor good news and recover some drops if not all. So, it contains more upside volatility than downside.

EPS Surprise (%)

Occurs when a company's reported quarterly or annual profits are above or below analysts' expectations. Here is the formula to derive % EPS Surprice:

Actual EPS - Estimated EPS
------------------------------------- x 100
Estimated EPS

Why is it Important?

Earnings surprises can have a huge impact on a company's stock price. Several studies suggest that positive earnings surprises not only lead to an immediate hike in a stock's price, but also to a gradual increase over time. Hence, it's not surprising that some companies are known for routinely beating earning projections. A negative earnings surprise will usually result in a decline in share price.

Next Day Price Change (%)

Next Regular trading session Closing price following Earnings result.

For After Market Close Earnings, It is a next trading day closing price. For Before Market Open Earnings, It is the same trading day closing price.

Why is it Important?

Next Day price change is a reaction of Earnings result.

Costco Q4 Earnings Beat Has a Catch Investors Should Know

Posted on Sep 25, 2026 by Ian Cooper

Costco Q4 Earnings Beat Has a Catch Investors Should Know

Costco (NASDAQ: COST) gave investors plenty to like in its latest earnings report. Shoppers spent more at its warehouses, membership fees grew, and online sales climbed. Revenue also came in above Wall Street’s expectations.

But there is one important detail behind the company’s profit beat: A one-time tariff refund helped lift earnings. That means the sales numbers may be the better place to look when judging how Costco’s business performed.

Shoppers Are Still Showing Up



Costco reported $95.72 billion in revenue for its fiscal fourth quarter, up 12% from a year earlier. That was about $830 million more than analysts expected.

Some of that growth came from new warehouses. But Costco also sold more at locations that were already open. In the U.S., adjusted comparable sales rose 7.2%, beating the 6.85% growth analysts expected. Comparable sales also increased in Canada and other international markets.

For the company as a whole, comparable sales rose 6.7% when fuel was excluded, ahead of Wall Street’s 6.44% estimate.

Leaving fuel out helps give a clearer picture of shopping demand because gasoline prices can change the sales total even when customers buy about the same amount of merchandise.

Costco’s online business grew, too. Digital comparable sales increased at a double-digit pace during the 16-week quarter. The warehouses remain the heart of the business, but members are also spending more through Costco’s digital channel.

costco - StockEarnings

Membership Fees Added to Growth

Customers pay to shop at Costco, and those fees are an important part of its business. In the latest quarter, membership fee revenue rose 7% to $1.85 billion. Analysts had expected $1.83 billion. That increase is another encouraging sign for Costco.

The company depends on members seeing enough value in its prices and products to keep paying for access. The figures provided do not show exactly how much of the fee growth came from new members, renewals, or upgrades, but membership revenue was higher than Wall Street expected.

Why the Profit Beat Needs a Closer Look

Costco earned $6.57 per share for the quarter, up 15% from a year earlier and five cents above analysts’ estimates. However, that figure included a one-time benefit of 15 cents per share from tariff refunds. Without it, earnings would have been about $6.42 per share.

That does not take away from Costco’s strong sales. It simply means the reported profit beat tells only part of the story. Investors will want to see whether the company can keep growing earnings through its regular business in the quarters ahead.

Costco Keeps Expanding

Costco ended the period with 939 warehouses, eight more than it had at the end of its fiscal third quarter. Most are in the United States and Puerto Rico, where the company has 647 locations. It also has a large presence in Canada, along with warehouses across Mexico, Asia, Europe, Australia, and New Zealand.

For the full fiscal year, the company reported revenue of $303.15 billion, up 10.1%, and earnings of $20.76 per share. Both topped the estimates in the material you provided.

COST Remains Below Its 200-Day SMA

COST stock closed at $918.85 on Sept. 25, according to the chart provided. The stock remains below its 200-day simple moving average of $960.39, keeping the longer-term technical trend under pressure.

The chart does show a potential improvement in short-term momentum. The stock’s MACD histogram has turned positive at 1.50, while the MACD line at -10.24 has moved above its signal line at -11.74. That suggests downside momentum has eased following the stock’s decline through August and September.

However, the MACD lines remain below the zero line, and COST is still roughly 4.3% below its 200-day SMA. That leaves investors with two important technical levels to watch. Around $960 represents a potential test of the 200-day average, while the recent September low near $890 provides a reference point on the downside.

A move back above the 200-day SMA could change the technical picture, while a break below the recent low would indicate that the September decline remains intact. For now, the chart shows improving short-term momentum but a longer-term trend that has yet to recover.

costco - StockEarnings

The Takeaway for Costco Investors

Costco gave investors plenty of evidence that its business is still growing. Shoppers spent more at existing warehouses, digital sales rose at a double-digit pace, and membership fees came in ahead of expectations. The company also continued to open new locations, giving it another way to grow sales over time.

Still, the five-cent earnings beat looks different when we account for the one-time tariff refund. Without that 15-cent-per-share benefit, Costco would have earned about $6.42 per share, below Wall Street’s estimate. That does not erase the strong sales quarter, but it does put the profit headline in perspective.

The question now is whether Costco can turn that steady customer demand into stronger earnings from its regular operations. If comparable sales and membership fees keep growing, investors will have good reason to stay interested. They will also want to see profit growth that does not depend on another one-time boost.

Over the last 26 years, he’s taught thousands of investors how to trade news flow and herd mentality using a unique blend of technical and fundamental analysis. Cooper was among the few analysts to spot the financial crisis of 2008, the top of subprime and Alt-A, the death of Lehman Brothers, Bear Stearns, and New Century Financial, and even the Dow’s collapse to 6,500, as well as its recovery. He even called for gold to rally well above $1.500 when it traded under $600. At the moment, Cooper makes use of technical, fundamental and news analysis, to help individual investors grow their wealth. He’s a firm believer that hard work and thorough research will lead to investment success.

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