BlackBerry Limited (BB) P/E Ratio History
Deep ValueTrading at -67.6x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 1999–2026
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P/E Ratio Analysis
As of June 23, 2026, BlackBerry Limited (BB) trades at a price-to-earnings ratio of -67.6x, with a stock price of $8.79 and trailing twelve-month earnings per share of $0.04.
The current P/E is 253% below its 5-year average of 44.3x. Over the past five years, BB's P/E has ranged from a low of 4.2x to a high of 202.5x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Technology sector median P/E of 28.3x, BB trades at a 339% discount to its sector peers. The sector includes 353 companies with P/E ratios ranging from 0.0x to 189.7x.
Relative to the broader market, BB trades at a notable discount to the S&P 500 median P/E of 24.3x. 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 BB 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.
BB Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
BB P/E vs Peers
Cybersecurity and identity management peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $4B | 19.9 | 1.05Best | +17% | |
| $195B | 179.0 | - | -56% | |
| $13B | 12.5Lowest | 1.27 | +29%Best | |
| $108B | 59.8 | 1.80 | +8% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
BB Historical P/E Data (1999–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q3 | Nov 30 2025 | $4.08 | $0.04 | 111.8x | -10% |
| FY2020 Q2 | Aug 31 2019 | $6.87 | $0.05 | 139.6x | +12% |
| FY2020 Q1 | May 31 2019 | $7.85 | $0.19 | 40.7x | -67% |
| FY2019 Q4 | - | $8.70 | $0.14 | 62.1x | -50% |
| FY2019 Q3 | Nov 30 2018 | $8.79 | $0.04 | 202.5x | +63% |
| FY2018 Q4 | Feb 28 2018 | $12.14 | $0.73 | 16.7x | -87% |
| FY2018 Q3 | - | $10.77 | $0.66 | 16.3x | -87% |
| FY2018 Q2 | - | $9.27 | $0.96 | 9.6x | -92% |
| FY2018 Q1 | May 31 2017 | $10.57 | $0.22 | 47.9x | -61% |
| FY2016 Q3 | Nov 30 2015 | $7.94 | $0.06 | 140.8x | +13% |
| FY2012 Q4 | - | $14.50 | $2.23 | 6.5x | -95% |
| FY2012 Q3 | Nov 30 2011 | $17.86 | $4.25 | 4.2x | -97% |
| FY2012 Q2 | Aug 31 2011 | $32.49 | $5.48 | 5.9x | -95% |
| FY2012 Q1 | - | $42.85 | $6.31 | 6.8x | -95% |
| FY2011 Q4 | Feb 28 2011 | $66.20 | $6.36 | 10.4x | -92% |
| FY2011 Q3 | - | $61.83 | $5.85 | 10.6x | -92% |
| FY2011 Q2 | - | $42.84 | $5.21 | 8.2x | -93% |
| FY2011 Q1 | May 31 2010 | $60.69 | $4.58 | 13.3x | -89% |
| FY2010 Q4 | Feb 28 2010 | $70.88 | $4.32 | 16.4x | -87% |
| FY2010 Q3 | Nov 30 2009 | $57.89 | $3.95 | 14.7x | -88% |
| FY2010 Q2 | Aug 31 2009 | $73.06 | $3.54 | 20.6x | -83% |
| FY2010 Q1 | May 31 2009 | $78.64 | $3.57 | 22.0x | -82% |
| FY2009 Q4 | Feb 28 2009 | $39.94 | $3.29 | 12.1x | -90% |
| FY2009 Q3 | Nov 30 2008 | $42.47 | $3.11 | 13.7x | -89% |
| FY2009 Q2 | Aug 31 2008 | $121.60 | $3.07 | 39.6x | -68% |
| FY2009 Q1 | May 31 2008 | $138.87 | $2.71 | 51.2x | -59% |
| FY2008 Q4 | - | $109.05 | $2.26 | 48.3x | -61% |
| FY2008 Q3 | Nov 30 2007 | $113.82 | $1.86 | 61.2x | -51% |
| FY2008 Q2 | Aug 31 2007 | $85.41 | $1.52 | 56.2x | -55% |
| FY2008 Q1 | - | $55.36 | $1.27 | 43.6x | -65% |
| FY2007 Q4 | Feb 28 2007 | $46.87 | $1.11 | 42.2x | -66% |
| FY2007 Q3 | - | $46.28 | $0.82 | 56.2x | -55% |
| FY2007 Q2 | - | $27.50 | $0.71 | 38.6x | -69% |
| FY2007 Q1 | May 31 2006 | $21.63 | $0.65 | 33.1x | -73% |
| FY2006 Q4 | - | $23.51 | $0.64 | 36.6x | -71% |
| FY2006 Q3 | Nov 30 2005 | $20.38 | $0.61 | 33.7x | -73% |
| FY2006 Q2 | Aug 31 2005 | $26.10 | $0.56 | 47.0x | -62% |
| FY2006 Q1 | - | $27.61 | $0.49 | 56.9x | -54% |
| FY2005 Q4 | Feb 28 2005 | $22.04 | $0.36 | 61.4x | -51% |
| FY2005 Q3 | - | $29.66 | $0.43 | 68.4x | -45% |
| FY2005 Q2 | - | $20.07 | $0.32 | 63.4x | -49% |
| FY2005 Q1 | May 31 2004 | $19.99 | $0.20 | 99.1x | -20% |
| FY2004 Q4 | Feb 28 2004 | $16.48 | $0.09 | 181.5x | +46% |
| FY2001 Q3 | - | $10.83 | $0.01 | 1370.9x | +1002% |
| FY2001 Q2 | - | $12.59 | $0.01 | 976.0x | +684% |
| FY2001 Q1 | May 31 2000 | $5.36 | $0.02 | 247.0x | +99% |
| FY2000 Q4 | Feb 28 2000 | $24.63 | $0.03 | 954.7x | +667% |
| FY2000 Q3 | - | $8.54 | $0.03 | 323.5x | +160% |
| FY2000 Q2 | - | $4.96 | $0.02 | 200.8x | +61% |
| FY2000 Q1 | May 31 1999 | $2.34 | $0.02 | 114.7x | -8% |
| FY1999 Q4 | Feb 28 1999 | $1.48 | $0.02 | 86.5x | -30% |
Average P/E for displayed period: 124.4x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
27+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
BB — Frequently Asked Questions
Quick answers to the most common questions about buying BB stock.
What is BB's P/E ratio?
BlackBerry Limited (BB) trailing twelve-month P/E ratio is -67.6x, based on TTM diluted EPS of $0.04. The 5-year average P/E is 44.3x and the historical range spans 4.2x to 202.5x.
Is BB stock overvalued or undervalued?
BB trades at -67.6x P/E, below its 5-year average of 44.3x. At the 0th percentile of its historical range (4.2x–202.5x), the stock is priced at a discount to its own history.
Is BB stock expensive?
No, BB is not expensive on a historical basis. The current P/E of -67.6x is below the 5-year average of 44.3x and sits at the 0th percentile of its valuation range.
What is BB's historical P/E range?
Over the past 5 years, BB's P/E ratio has ranged from 4.2x to 202.5x, with a median of 16.3x and an average of 44.3x. The current P/E of -67.6x places the stock at the 0th percentile of this range. Full historical data spans 1999–2026.
How does BB's P/E compare to the S&P 500?
BB trades at -67.6x P/E versus the S&P 500 median of 24.3x. The 378% discount to the market suggests lower growth expectations or perceived higher risk.
How does BB's valuation compare to Technology peers?
BlackBerry Limited P/E of -67.6x compares to the Technology sector median of 28.3x. 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 BB's PEG ratio?
BB PEG ratio is N/A, based on a P/E of -67.6x and EPS growth of 40.9%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is BB's earnings yield?
BB earnings yield is N/A, the inverse of its -67.6x 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.