A 9-Day Winning Streak Has MongoDB Stock Up 15%
MongoDB (MDB) stock has risen for 9 consecutive trading days, gaining 15.3% over that stretch. That added about $4.1 billion to the company’s market value, which now stands at about $31.1 billion. The stock closed at $385.93 on Friday, October 9, 18.3% below its 52-week high of $472.29 and 70.8% above its low of $225.95.
The Streak Next To The S&P 500
Returns for MDB and the S&P 500 over the streak and the periods around it, all ending Friday, October 9 and including dividends:
| Return Period | MDB | S&P 500 |
|---|---|---|
| 1 Day | 3.9% | 0.6% |
| 9 Days (Current Streak) | 15.3% | 1.7% |
| 1 Month (21 Trading Days) | 3.2% | 3.0% |
| 3 Months (63 Trading Days) | 14.2% | 4.2% |
| Year To Date | -8.0% | 15.1% |
| 1 Year (252 Trading Days) | 18.1% | 17.0% |
Is This Move About MongoDB Or The Market?
The market explains little of this: the S&P 500 gained 1.7% over the same 9 sessions, including dividends, against MongoDB’s +15.3%. Over the past three months the stock is up 14.2%, a window that includes the streak; over the other 54 sessions of that window it was essentially flat (-1.0%).
Is The Business Keeping Up With The Stock?
On the fundamentals, revenue grew 25.5% over the last twelve months, against a median of 17.9% for S&P 500 Information Technology stocks; and its operating margin is -0.5%, versus a median of 21.6%. At least one of the last four quarters was a loss, so a price-to-earnings multiple would not be a meaningful yardstick here. The read is mixed: revenue growth above the median on one side, an operating loss on the other.
If you are looking for strength with more behind it than a hot tape, our Guidance Momentum screen surfaces the names where management raised its own outlook.
Streaks End. Discipline Compounds
A run like this is genuinely useful information: something about this business has the market’s full attention. But streaks are where discipline gets tested, because the urge to chase strength is strongest right before it pauses.
The Trefis High Quality (HQ) Portfolio channels that urge into a system: roughly 30 businesses selected for consistent cash generation, strong margins, and resilient balance sheets, sized and rebalanced with rules rather than excitement. It has a track record of outpacing a benchmark that combines the S&P 500, the S&P MidCap 400, and the Russell 2000. Enjoy the streak; own the process.