Magnite, Inc. (MGNI) P/E Ratio History
UndervaluedTrading at 26.1x vs 5Y avg 187.0x · 31th percentile · Below historical baseline · Data 2016–2026
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P/E Ratio Analysis
As of September 23, 2026, Magnite, Inc. (MGNI) trades at a price-to-earnings ratio of 26.1x, with a stock price of $24.80 and trailing twelve-month earnings per share of $1.13.
The current P/E is 86% below its 5-year average of 187.0x. Over the past five years, MGNI's P/E has ranged from a low of 11.4x to a high of 1400.0x, placing the current valuation at the 31th percentile of its historical range.
Compared to the Communication Services sector median P/E of 14.9x, MGNI trades at a 75% premium to its sector peers. The sector includes 106 companies with P/E ratios ranging from 0.1x to 191.8x.
Relative to the broader market, MGNI trades roughly in line with the S&P 500 median P/E of 25.5x. 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 MGNI 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.
MGNI Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
MGNI P/E vs Peers
Digital ad platforms and programmatic peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $2B | 44.7 | 2.45 | -6% | |
| $2B | 45.0 | - | +413% | |
| $847M | 6.4Lowest | 0.36Best | +39% | |
| $6B | 14.5 | 1.10 | +17% | |
| $110B | 33.7 | - | +115% | |
| $2B | 77.4 | - | +464%Best |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
MGNI Historical P/E Data (2016–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q2 | - | $18.98 | $1.10 | 17.3x | -91% |
| FY2026 Q1 | - | $11.88 | $1.05 | 11.4x | -94% |
| FY2025 Q4 | Dec 31 2025 | $16.23 | $0.95 | 17.2x | -91% |
| FY2025 Q3 | - | $21.78 | $0.38 | 58.1x | -69% |
| FY2025 Q2 | Jun 30 2025 | $24.12 | $0.28 | 86.1x | -54% |
| FY2025 Q1 | Mar 31 2025 | $11.41 | $0.20 | 57.8x | -69% |
| FY2024 Q4 | - | $15.92 | $0.14 | 115.9x | -38% |
| FY2024 Q3 | Sep 30 2024 | $13.85 | $0.12 | 118.0x | -37% |
| FY2021 Q3 | - | $28.00 | $0.02 | 1400.0x | +649% |
| FY2021 Q2 | Jun 30 2021 | $33.84 | $0.10 | 322.9x | +73% |
| FY2016 Q3 | Sep 30 2016 | $8.28 | $0.49 | 16.8x | -91% |
| FY2016 Q2 | - | $13.65 | $0.35 | 39.1x | -79% |
| FY2016 Q1 | - | $18.28 | $0.11 | 170.5x | -9% |
Average P/E for displayed period: 187.0x
MGNI Chart Terminal
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Intrinsic Valuation
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Historical Returns
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Peer Comparison
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MGNI — Frequently Asked Questions
Quick answers to the most common questions about buying MGNI stock.
What is MGNI's P/E ratio?
Magnite, Inc. (MGNI) trailing twelve-month P/E ratio is 26.1x, based on TTM diluted EPS of $1.13. The 5-year average P/E is 187.0x and the historical range spans 11.4x to 1400.0x.
Is MGNI stock overvalued or undervalued?
MGNI trades at 26.1x P/E, below its 5-year average of 187.0x. At the 31th percentile of its historical range (11.4x–1400.0x), the stock is priced at a discount to its own history.
Is MGNI stock expensive?
No, MGNI is not expensive on a historical basis. The current P/E of 26.1x is below the 5-year average of 187.0x and sits at the 31th percentile of its valuation range.
What is MGNI's historical P/E range?
Over the past 5 years, MGNI's P/E ratio has ranged from 11.4x to 1400.0x, with a median of 58.1x and an average of 187.0x. The current P/E of 26.1x places the stock at the 31th percentile of this range. Full historical data spans 2016–2026.
How does MGNI's P/E compare to the S&P 500?
MGNI trades at 26.1x P/E versus the S&P 500 median of 25.5x. The 2% premium to the market typically reflects higher expected earnings growth or quality.
How does MGNI's valuation compare to Communication Services peers?
Magnite, Inc. P/E of 26.1x compares to the Communication Services sector median of 14.9x. The premium reflects expected growth above peers or stronger fundamentals. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is MGNI's PEG ratio?
MGNI PEG ratio is N/A, based on a P/E of 26.1x and EPS growth of 493.8%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is MGNI's earnings yield?
MGNI earnings yield is 3.83%, the inverse of its 26.1x 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.