Magnite, Inc. (MGNI) P/E Ratio History
UndervaluedTrading at 18.8x vs 5Y avg 201.1x · 25th percentile · Below historical baseline · Data 2016–2026
Loading P/E history...
P/E Ratio Analysis
As of June 22, 2026, Magnite, Inc. (MGNI) trades at a price-to-earnings ratio of 18.8x, with a stock price of $17.89 and trailing twelve-month earnings per share of $1.07.
The current P/E is 91% below its 5-year average of 201.1x. 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 25th percentile of its historical range.
Compared to the Communication Services sector median P/E of 15.3x, MGNI trades at a 23% premium to its sector peers. The sector includes 110 companies with P/E ratios ranging from 0.1x to 161.8x.
Relative to the broader market, MGNI trades at a notable discount to the S&P 500 median P/E of 24.4x. 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 | 34.4 | 1.89 | -6% | |
| $2B | 45.0 | - | +413% | |
| $876M | 6.6Lowest | 0.37Best | +39% | |
| $9B | 20.3 | 1.54 | +17% | |
| $158B | 48.2 | - | +115% | |
| $2B | 61.0 | - | +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 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 | -71% |
| FY2025 Q2 | Jun 30 2025 | $24.12 | $0.28 | 86.1x | -57% |
| FY2025 Q1 | Mar 31 2025 | $11.41 | $0.20 | 57.8x | -71% |
| FY2024 Q4 | - | $15.92 | $0.14 | 115.9x | -42% |
| FY2024 Q3 | Sep 30 2024 | $13.85 | $0.12 | 118.0x | -41% |
| FY2021 Q3 | - | $28.00 | $0.02 | 1400.0x | +596% |
| FY2021 Q2 | Jun 30 2021 | $33.84 | $0.10 | 322.9x | +61% |
| FY2016 Q3 | Sep 30 2016 | $8.28 | $0.49 | 16.8x | -92% |
| FY2016 Q2 | - | $13.65 | $0.35 | 39.1x | -81% |
| FY2016 Q1 | - | $18.28 | $0.11 | 170.5x | -15% |
Average P/E for displayed period: 201.1x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
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 18.8x, based on TTM diluted EPS of $1.07. The 5-year average P/E is 201.1x and the historical range spans 11.4x to 1400.0x.
Is MGNI stock overvalued or undervalued?
MGNI trades at 18.8x P/E, below its 5-year average of 201.1x. At the 25th 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 18.8x is below the 5-year average of 201.1x and sits at the 25th 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 86.1x and an average of 201.1x. The current P/E of 18.8x places the stock at the 25th 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 18.8x P/E versus the S&P 500 median of 24.4x. The 23% discount to the market suggests lower growth expectations or perceived higher risk.
How does MGNI's valuation compare to Communication Services peers?
Magnite, Inc. P/E of 18.8x compares to the Communication Services sector median of 15.3x. 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 18.8x 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 5.31%, the inverse of its 18.8x 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.