Market Commentary: GDP Upside Surprise and Keeping an Eye on the Santa Claus Rally

Key Takeaways

  • Stocks made more new highs last week, as the solid year looks to end on a high note.
  • Historically, things are quite calm during the holiday season, with low volume and a modest upward bias.
  • Real GDP surged at an annualized pace of 4.3% in Q3, accelerating from an already strong 3.8% pace in Q2.
  • The big picture is that the economy ran strong in Q3, and even most of the details looked pretty good.
  • The numbers point to solid momentum for Q4 and even 2026.

What a year it has been for equity investors in 2025. It was anything but smooth or easy, but stocks have once again rewarded those who showed patience and looked to the long term during times of volatility and unease. On a total return basis, the S&P 500 has an outside chance at a 20% gain three years in a row, but more likely it will just miss 20% this year. Still, a high teens return after back-to-back 20% years is quite impressive. 

The S&P 500 has only three trading days left in 2025, and it is up to 39 new all-time highs, on the heels of 57 last year. Of course, it’s important to remember that only one new high was made all of 2022 and 2023, putting things in perspective. 

Image depicting New highs per year for the S&P 500 (1957- 2025)

Let’s Talk About the Santa Claus Rally 

“If Santa should fail to call, bears may come to Broad and Wall.” — Yale Hirsh 

One of the little-known facts about the calendar effect known as the Santa Claus Rally (SCR) is that it isn’t the entire month of December; it’s actually only seven days. Discovered in 1972 by Yale Hirsch, creator of the Stock Trader’s Almanac (carried on now by his son Jeff Hirsch), the real SCR is the final five trading days of the year and the first two trading days of the following year for the S&P 500. In other words, the official SCR began on Wednesday, December 24, 2025, so there are still five more days to go — December 29, 30, and 31; plus January 2 and 5. 

Historically, these seven days indeed have been quite jolly, as no seven-day combo is more likely to be higher (up 77.3% of the time), and only two combos have a better average return for the S&P 500 than the 1.27% during the official Santa Claus Rally period. 

Image depicting S&P 500 Index Performance During the 7-Day Santa Claus Rally (1950-2025)

As we’ve noted already, the latter half of December is when most of the seasonally strong gains occur. So far, this year has played out mostly according to form. Weakness extended somewhat later and deeper than average, but we have seen a solid rebound since December 17. 

Image depicting S&P 500 Returns in December (1950 - 2025)

The seven days of the SCR tend to be in the green, so that is expected. But we actually haven’t seen Santa the past two years, which is akin to coal in your stocking for two years in a row. The good news? We’ve never had a negative SCR period three years in a row. 

Image depicting S&P 500 during Santa Claus Rally (1950-2025)

Here are all the SCR periods and what happened next, going back to the tech bubble implosion. As you can see, when Santa comes, the chances of continued solid times is high, while when Santa takes a break and stays in the North Pole, trouble is higher. Even last year for example, Santa didn’t come and Q1 was a rough one for investors. And we all remember what happened in April after Liberation Day. 

Image depicting Santa Claus Rally Periods (Tech Bubble-2025)

The bottom line is that what really matters to investors looking forward is when Santa doesn’t come, as Mr. Hirsch noted in the quote above. 

Here we show some recent times investors were given coal during these seven days, and the results after aren’t very good at all. The past two times saw a higher January, but the five before that all saw a red first month of the year. Notably, there was no SCR in 2000 and 2008, not the best times for investors, and potentially a warning that something wasn’t right. Lastly, including the big drop in Q1 last year, returns the first quarter are negative when we don’t see Santa. We like to say on the Carson Investment Research team that hope isn’t a strategy, but we’re hoping for some green during the SCR! 

Image depicting If Santa Doesn't Show, There Could be a problem.

Finally, the average gain each year for the S&P 500 is 9.5%, and the index is higher 72.0% of the time. But when there is an SCR, those numbers jump to 10.4% and 72.9%, while they fall to only 6.1% and 68.8% when there is no Santa. Sure, this is only one indicator, and we suggest following many data points when making investment decisions, but this is clearly something we wouldn’t ignore, either.

S&P 500 Annual Performance Based on How The Santa Claus Rally Does (1950-2025)

7 Charts from an Outstanding Q3 GDP Report 

Normally, by the end of the fourth quarter, we get the second estimate for the prior quarter’s GDP growth (which is slightly more reliable than the first estimate). In the case of this Q3 GDP report, we missed the first estimate because of the shutdown, and so the second estimate was our first full picture of what the economy looked like in Q3. Yes, it is lagged data at this point, but the details are certainly interesting, and it points to solid momentum for Q4 and even 2026. The big picture is that the economy ran strong in Q3, and even most of the details looked pretty good. But let’s dig in. 

Let’s start with the headline: Real GDP growth (after adjusting for inflation) surged at an annualized pace of 4.3% in Q3, accelerating from an already strong 3.8% pace in Q2. The last two quarters have now made up for the big slowdown in Q1, and the annualized pace of growth over the first three quarters is 2.5%. That’s not as strong as the 2.9% pace we saw in 2023-24, but it is similar to the 2.4% trend growth we saw from 2010-19. 

Image depicting Real GDP: Annualized Growth Rates

Now for some details: The next chart shows contributions from the big categories that make up GDP, including consumption (consumer spending), investment (including inventory changes), net exports, and government. Net exports and inventories tend to be the noisy parts of GDP growth, and in fact, the pullback in Q1 was driven by surging imports (as companies front-ran tariffs) and the subsequent rebound in Q2 was fueled by a reversal in imports. On the other hand, inventory build-up surged in Q1 and reversed in Q2. 

Some highlights from the Q3 details: 

  • Inventories were less of a factor in Q3 and imports continued to slide. Net exports contributed 1.6 percentage points to the headline, but over half of that was because both goods and services exports surged, helped along by a weaker dollar. 
  • The good news is that consumption accelerated in Q3, rising at an annualized pace of 3.5% and contributing 2.4 percentage points to headline growth. That’s solid, even more so because it came on the back of strong goods and services spending. Spending was buoyed by recreational spending on both goods and services, offsetting a pullback in auto sales and belying concerns that households are struggling amid a cooling labor market. 
  • Business investment (“nonresidential investment”) was weaker than what we saw in Q2 but still relatively strong, rising at a solid 2.8% pace. What happened was that software spending pulled back from the breakneck pace we saw in the first half of the year. This is related to the AI story, and it’ll be interesting to see if this is just a blip or if companies really are taking a breather on investing in AI-related software. 
  • Housing (“residential investment”) continues to struggle. It pulled back over 5% annualized in Q3, repeating what we saw in Q2. 
  • Government spending was also a positive after two quarters of being a drag on headline growth, contributing a solid 0.4 percentage points to headline GDP growth. Federal government spending was boosted by a near 6% jump in defense spending, the fastest in a year. State and local government spending and investment is actually twice as large as federal, and that also ran at a solid 1.8% pace. 

Chart Depicting Real GDP Growth

At the end of the day, what matters most is GDP growth excluding the volatile inventories and net exports data. Think of it as “core GDP,” which combines consumption, investment, and government. This is captured by “real final sales to domestic purchasers,” and it rose at a solid pace of 2.9% in Q3, not far below the 3.3% annual pace we saw in 2023-24. The rebound in Q3 brings the year-to-date pace of final sales to 2.2%, very close to the 2010-19 trend of 2.5%. The big story here is that economic growth is running close to trend in 2025, albeit with a lot of ups and downs across the year. 

The good news is that we came into Q4 with some momentum, and that could continue into 2026. In fact, private final sales (excluding government) have run at a near 3% annualized pace over the last two quarters. The Q3 data was even better than Q2 because consumption picked up, adding to the boost from AI-related investment spending and more than overcoming the drag from housing. 

Image depicting Real Final Sale to Domestic Purchasers

As noted above, consumption was strong in Q3, on the back of goods and services spending. Goods spending can be quite volatile, but services make up 45% of the economy, so it’s encouraging that it ran at a whopping 3.7% annualized pace in Q3, the fastest since the third quarter of 2022. Now, a chunk of that came from increased health care spending, but the rebound in Q3 brings the overall year-to-date pace of services spending to 2.4%. While that’s slower than what we saw in 2023-24 (2.9%), it’s quite a bit ahead of the 1.8% annual pace we saw from 2010-19. You’d think that services spending would suffer amid a cooling labor market, but wage growth is likely running at a faster clip than in the 2010s, boosting spending on things like recreational services, restaurants, and travel. 

Image Depicting Real Personal Consumption Expenditures: Services

The top story now is AI, and it certainly showed up in a big way in the macro data in 2025. Investment related to information processing equipment and software spending contributed an average of 1.05 percentage points to real GDP growth in the first half. However, that eased in Q3, with these two categories contributing just 0.23 percentage points to headline GDP growth. Of course, that’s not nothing, and the big picture is that AI-related spending remains quite strong, running well above the 2010-19 trend: 

  • Investment in information processing equipment rose at an annualized pace of 8% in Q3, bringing the year-to-date pace to 25% (2010-19 trend: 7%). 
  • Investment in software pulled back to an annualized pace of 3% in Q3, bringing the year-to-date pace to 16% (2010-19 trend: 9%). 

It’ll be interesting to see whether the pullback in software spending continues. If it does, that could be a sign that companies are becoming more cautious about deploying AI-related software, even as investment on the hardware side remains strong. 

Image Depicting Real Fixed Investment - Equipment: Information Processing

To no one’s surprise, housing was the big downer in the GDP report. Residential investment fell for the third straight quarter and has now been a drag on GDP growth in five of the last six quarters. This is the area of the economy where monetary policy seems much tighter. Mortgage rates remain north of 6%, but the reality is that these are more tied to longer-term 10-year yields rather than short-term rates that are explicitly controlled by the Fed. And for long-term yields to fall much further, we’re going to need the inflation outlook to look much better than it does right now. 

Image depicting Real private residential investment

All the numbers we’ve discussed so far are adjusted for inflation. However, from the perspective of company revenues and profit growth, which is what is important for stocks, it’s nominal GDP growth that matters (GDP growth including inflation). Nominal GDP grew at an astounding 8.2% annualized pace in Q3, which follows an already hot 6% pace in Q2. The economy has grown at an annualized pace of 5.6% so far in 2025, which matches the annual pace we saw in 2023-24 and is well above the 4% trend from 2010-19. 

Of course, the reason for the big jump in nominal GDP growth is inflation. The “GDP deflator” (total inflation from a GDP perspective) rose 3.7% annualized in Q3 and is up 3.2% year to date. Note that this measures price changes for all domestic goods, whether purchased by consumers, businesses, and/or government, whereas the Consumer Price Index measures price changes for just consumers. If you’re surprised by how strong profit growth has been this year, look no further than the fact that nominal GDP growth is running well above trend. And over half of that is due to elevated inflation. 

Image depicting nominal GDP (Q/Q Annualized)

The overall picture points to inflationary growth, and that is not necessarily a bad thing for stocks. Profit growth comes from sales growth (which benefits from stronger economic growth) and margin expansion (which can result in higher prices), and the outlook as we move into 2026 looks good. The pickup in pace for final sales suggests consumer spending has some momentum on top of AI-related investment spending, and next year we’re going to see tailwinds from tax cuts and Fed rate cuts as well. 

 

This newsletter was written and produced by CWM, LLC. Content in this material is for general information only and not intended to provide specific advice or recommendations for any individual. All performance referenced is historical and is no guarantee of future results. All indices are unmanaged and may not be invested into directly. The views stated in this letter are not necessarily the opinion of any other named entity and should not be construed directly or indirectly as an offer to buy or sell any securities mentioned herein. Due to volatility within the markets mentioned, opinions are subject to change without notice. Information is based on sources believed to be reliable; however, their accuracy or completeness cannot be guaranteed. Past performance does not guarantee future results.

S&P 500 – A capitalization-weighted index of 500 stocks designed to measure performance of the broad domestic economy through changes in the aggregate market value of 500 stocks representing all major industries.

The NASDAQ 100 Index is a stock index of the 100 largest companies by market capitalization traded on NASDAQ Stock Market. The NASDAQ 100 Index includes publicly traded companies from most sectors in the global economy, the major exception being financial services.

The views stated in this letter are not necessarily the opinion of Cetera Wealth Services LLC and should not be construed directly or indirectly as an offer to buy or sell any securities mentioned herein. Investors cannot invest directly in indexes. The performance of any index is not indicative of the performance of any investment and does not take into account the effects of inflation and the fees and expenses associated with investing.

A diversified portfolio does not assure a profit or protect against loss in a declining market.

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