Offshore

can also changes, depending upon disagreements among analysts about expected earnings, and the expected market reaction to earnings surprises. That effect is visible not only in observed stock price volatility, but also in the options market, as implied volatility.…

it should come as no surprise that Nvidia provided guidance for future quarters in its second quarter report, and here too, there were reminders that comparisons would get more challenging in future quarters, as they predicted that revenue growth rates would come back to earth, and that margins would, at best, level off or perhaps even decline.

Finally, in an overlooked news story, Nvidia announced that it would had authorized $50 billion in buybacks, over an unspecified time frame. While that cash return is not surprising for a company that has became a profit machine, it is at odds with the story that some investors were pricing into the stock of a company with almost unlimited growth opportunities in an immense new market (AI). Just as Meta and Alphabet’s dividend initiations signaled that they were approaching middle age, Nvidia’s buyback announcement may be signaling that the company is entering a new phase in the life cycle, intentionally or by accident.

The Scoring

The final piece of the earning release story, and the one that gets the most news attention, is the market reaction to the earnings reports. There is evidence in market history that earnings reports affect stock prices, with the direction of the effect depending on how actual earnings measure up to expectations. While there have been dozens of academic papers that focus on market reactions to earnings reports, their findings can be captured in a composite graph that classifies earnings reports into deciles, based upon the earnings surprise, defined as the difference between actual and predicted earnings:

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As you can see, positive surprises cause stock prices to increase, whereas negative surprises lead to price drops, on the announcement date, but there is drift both before and after surprises in the same direction. The former (prices drifting up before positive and down before negative surprises) is consistent with the notion that information about earnings surprises leaks to markets in the days before the report, but the latter (prices continuing to drift up after positive or down after negative surprises) indicates a slow-learning market that can perhaps be exploited to earn excess returns. Breaking down the findings on earnings reports, there seems to be evidence that the that the earnings surprise effect has moderated over time, perhaps because there are more pathways for information to get to markets.

Nvidia is not only one of the most widely followed and talked about stocks in the market, but one that has learned to play the expectations game well, insofar as it seems to find a way to beat them consistently, as can be seen in the following table, which looks at their earnings surprises over the last 5 years:

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Nvidia Earnings Surprise (%)

Barring two quarters in 2022, Nvidia has managed to beat expectations on earnings per share every quarter for the last five years. There are two interpretations of these results, and there is truth in both of them. The first is that Nvidia, as with many other technology companies, has enough discretion in both its expenditures ([...]

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