Tesla Stock Fell After Its Last 4 Delivery Reports, Even a Big Beat. Here's What History Says to Expect in October.

Over the past year, Tesla (NASDAQ:TSLA) has handed investors four quarterly delivery reports, and its stock fell on the day of every one of them.

That includes July 2, when the electric-car maker reported 480,126 second-quarter deliveries, about 74,000 more than analysts were expecting, and shares dropped about 7% anyway.

These weren't bad market days, either. The S&P 500 (SNPINDEX:^GSPC) finished close to flat on all four dates. The selling was about Tesla.

The next count will likely arrive in early October, if Tesla holds to its recent schedule. Here's what the past year of report days says, and what it doesn't.

Image source: The Motley Fool.

Four straight report-day declines

The streak is newer than it looks. Tesla shares rose about 5% on the day of the company's July 2025 delivery report, and about 5% on its April 2025 report day, too.

Then the pattern flipped. A record 497,099 deliveries, reported on Oct. 2, 2025, was met with a 5% decline. Jan. 2's fourth-quarter count of 418,227, down 16% year over year, cost the stock about 3%. April 2's total of 358,023, up just 6% from a year earlier, sent shares down more than 5%. And July's 25% year-over-year jump to 480,126 ended with the sharpest drop of the four.

The middle two declines at least had a story attached. Tesla's 2025 deliveries fell about 9% to 1,636,129, the company's second straight annual drop, so shrinking counts fit what investors already feared.

The record in October and the rebound in July didn't fit that story. Shares fell anyway.

In more than a decade covering Tesla, I've watched delivery day move this stock in both directions plenty of times. What's different about the past year is that the direction stopped depending on what the count said.

Thinner profits

The second quarter helps explain why. Revenue reached about $28.2 billion, up 26% year over year. Operating income, however, fell 57%, to about $400 million. For every dollar of revenue, Tesla kept a little more than a penny as operating profit, down from about four cents a year earlier.

And the squeeze isn't new. Tesla's operating margin hit 5.8% in the third quarter of 2025, then compressed for three straight quarters -- 5.7%, 4.2%, and now 1.4%.

In other words, deliveries recovered. The profit on them didn't.

That mismatch is arguably what the market keeps reacting to on report day. At around $358 as of this writing (down about 28% from its 52-week high of $498.83), Tesla still trades at more than 330 times earnings.

At that price, the market isn't paying for this year's delivery counts. It's paying for the businesses Tesla is trying to build -- robotaxis, the steering-wheel-free Cybercab, and humanoid robots. A quarterly delivery number can't settle a bet like that.

October's bar is an all-time record

A year ago, Tesla delivered a record 497,099 vehicles as buyers rushed to use the $7,500 federal electric vehicle tax credit before it expired on Sept. 30, 2025. For deliveries to grow at all in the third quarter, Tesla has to top that total and set a new record.

Not only would Tesla have to beat the record, but it would also have to make more cars than it has been, lean on its inventory again, or both. The company produced 451,758 vehicles in the second quarter while delivering 480,126, with inventory covering the difference. After all, Tesla itself called battery pack capacity "the main limiting factor" for near-term production growth in its second-quarter update.

Of course, the streak could end in October. A total above 497,099 would be an impressive result, and the market may greet a strong count differently this time.

But zoom out, and the lesson is narrower than a forecast: the report day itself has cost shareholders money, whatever the number said. Shares fell on a record and on a 16% decline, and they fell hardest on July's return to growth.

Ultimately, until profits start following the volume again, I'd expect the market to treat October's number as one input -- not a verdict.

With the next report a couple of weeks away, is the delivery count a reason to buy Tesla stock? I don't think so. The number will say plenty about demand. But it can't tell investors whether more than 330 times earnings is a fair price for the business. I wouldn't buy shares ahead of the report, and a strong count alone wouldn't change that.

Daniel Sparks has clients with positions in Tesla. The Motley Fool has positions in and recommends Tesla. The Motley Fool has a disclosure policy.