Upstart cut 2026 adjusted EBITDA guidance to $260 million from $294 million, leaving Q4 43% below consensus
Upstart filed record Q3 numbers and, in the same 8-K, cut its full-year EBITDA guide to about $260 million from $294 million, leaving a fourth quarter the Street never priced.
Vincent Jiang · 2 min read
Upstart+1.83% — Upstart, up 1.83 percent today, the AI lending marketplace that underwrites loans for more than 100 banks and credit unions, filed its 8-K this morning with the best quarter in its history: $371 million of revenue, up 34% from a year ago, and a record $218 million of contribution profit at a 60% margin 1. Its auto and home products turned profitable a quarter ahead of plan, swinging to a positive 17% contribution margin from negative 179% a year earlier 1.
Q3 revenue of $371 million is Upstart's biggest quarter yet, up 34% in a year
Data
| Revenue | |
|---|---|
| Q2 '24 | $127.63M |
| Q3 '24 | $162.14M |
| Q4 '24 | $218.96M |
| Q1 '25 | $213.37M |
| Q2 '25 | $257.29M |
| Q3 '25 | $277.11M |
| Q4 '25 | $296.09M |
| Q1 '26 | $308.21M |
| Q2 '26 | $364.71M |
| Q3 '26 | $371M |
The same filing cut the year: full-year adjusted EBITDA guidance of about $260 million, down from the $294 million guided in August, and total revenue of about $1.35 billion against a Street consensus of $1.42 billion 123.
The guide leaves $53 million for the fourth quarter
The arithmetic is the story. First half EBITDA was $117.4 million and the third quarter added $89.3 million, so the new full-year guide leaves roughly $53 million for the fourth quarter 14. Analysts had pencilled in $93.9 million there, which makes the implied quarter about 43% below consensus 4. StreetInsider's earnings wire carried the whole reversal in one line: tops Q3 EPS by 12 cents, offers guidance 3.
The new guide implies a Q4 EBITDA 43% below what the Street expected
Data
| Value | |
|---|---|
| Q3 2026 actual | 89.3 |
| Q4 implied by guide | 53 |
| Q4 Street estimate | 93.9 |
The macro gauge moved the wrong way the same morning
Alongside earnings, Upstart published October originations of $1,249.2 million, or $48.1 million per funding day, down from $53.1 million per day in September 45. Its Upstart Macro Index, a gauge of credit-loss risk baked into its underwriting, rose to 1.53 from 1.49, about 53% above what the company calls a normal economy 5.
The revenue guide is a forecast of consumer credit, and the gauge says conditions are tightening. The bears' other exhibits were already on file: $1.6 billion of net debt, and partner bank FinWise saying Upstart's contribution had become immaterial 47. "Macro is putting pressure on our near-term outlook," CEO Paul Gu said in the release 1.
Two camps, one filing
Bulls see the records: secured lending profitable early, contribution margin at 60%, and a stock at 7.6 times forward earnings that closed Monday at $21.31, a fresh 52-week low 146. Bears see a guide the Street must still cut, with Q4 implied 43% below its number 4.
This coverage followed the founders' buying of the falling stock on October 15 and the short interest and bond-cushion story on October 10; what is new today is the cut itself 89. The next reading that settles it: whether management commits funding capital or trims the fourth-quarter guide again when it faces analysts this morning.
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