MongoDB, Inc. (MDB) P/E Ratio History
Deep ValueTrading at -486.8x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 2027–2027
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P/E Ratio Analysis
As of September 24, 2026, MongoDB, Inc. (MDB) trades at a price-to-earnings ratio of -486.8x, with a stock price of $428.36 and trailing twelve-month earnings per share of $0.72.
The current P/E is 202% below its 5-year average of 478.5x. Over the past five years, MDB's P/E has ranged from a low of 478.5x to a high of 478.5x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Technology sector median P/E of 30.2x, MDB trades at a 1711% discount to its sector peers. The sector includes 367 companies with P/E ratios ranging from 0.0x to 198.6x.
Relative to the broader market, MDB trades at a notable discount to the S&P 500 median P/E of 25.3x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our MDB DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
MDB Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
MDB P/E vs Peers
Data platforms, integration and analytics peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $90B | 838.3 | - | -41% | |
| $9B | 26.6 | - | +430%Best | |
| $416B | 24.8 | 4.88 | +34% | |
| $3.7T | 27.9 | 1.60 | +32% | |
| $2.7T | 34.8 | 1.24 | +30% | |
| $4.1T | 31.3 | 1.05Best | +34% | |
| $219B | 20.8Lowest | 1.68 | +74% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
MDB Historical P/E Data (2027–2027)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2027 Q2 | Jul 31 2026 | $337.48 | $0.71 | 478.5x | +0% |
Average P/E for displayed period: 478.5x
MDB Chart Terminal
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Live Breakouts Feed
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Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
-1+ years return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
MDB — Frequently Asked Questions
Quick answers to the most common questions about buying MDB stock.
What is MDB's P/E ratio?
MongoDB, Inc. (MDB) trailing twelve-month P/E ratio is -486.8x, based on TTM diluted EPS of $0.72. The 5-year average P/E is 478.5x and the historical range spans 478.5x to 478.5x.
Is MDB stock overvalued or undervalued?
MDB trades at -486.8x P/E, below its 5-year average of 478.5x. At the 0th percentile of its historical range (478.5x–478.5x), the stock is priced at a discount to its own history.
Is MDB stock expensive?
No, MDB is not expensive on a historical basis. The current P/E of -486.8x is below the 5-year average of 478.5x and sits at the 0th percentile of its valuation range.
What is MDB's historical P/E range?
Over the past 5 years, MDB's P/E ratio has ranged from 478.5x to 478.5x, with a median of 478.5x and an average of 478.5x. The current P/E of -486.8x places the stock at the 0th percentile of this range. Full historical data spans 2027–2027.
How does MDB's P/E compare to the S&P 500?
MDB trades at -486.8x P/E versus the S&P 500 median of 25.3x. The 2024% discount to the market suggests lower growth expectations or perceived higher risk.
How does MDB's valuation compare to Technology peers?
MongoDB, Inc. P/E of -486.8x compares to the Technology sector median of 30.2x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is MDB's PEG ratio?
MDB PEG ratio is N/A, based on a P/E of -486.8x and EPS growth of 49.1%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is MDB's earnings yield?
MDB earnings yield is N/A, the inverse of its -486.8x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.