FORTINET, INC. (FTNT): what the price requires
At today's price, FORTINET, INC. (FTNT) is priced for today's economics sustained for ~13.7 years. boothcheck doesn't publish a fair value or a price target; it shows what the price assumes, so you can judge whether that bar is too high.
Generated: 2026-07-13 · Source: https://boothcheck.com/report/FTNT
Headline
| Field | Value |
|---|---|
| Ticker | FTNT |
| Company | FORTINET, INC. |
| Current price | $159.91/sh |
| Composition | Product 33% / Service - Security subscription 39% / Service - Technical support and other 29% |
What The Price Requires (Inversion)
The assumption today's price embeds, recovered by inverting the valuation.
| Field | Value |
|---|---|
| Inversion basis | whole-company |
| Operating margin needed | 29.9% |
| Operating margin today | 30.2% |
| Margin compression implied | -0.3pp |
| Must persist for | 13.7y |
| Multiple paid | 57x operating income |
The operating-margin requirement is derived from the framework's value band at year 7, a separately labeled basis from the headline growth/duration solve.
Solve inputs: computed at a 10.6% cost of capital; growth searched up to the 25% self-funding ceiling; each 1pp moves the implied horizon ~2.3 years.
Reconcile: at the x-ray's 9.3% required return this reads ~10.8 years; the models below use their own rates.
How unusual the bet is: high
| Reference | Value |
|---|---|
| vs own history | -0.46σ |
| cohort percentile (of 177 peers) | 85 |
| sustained it ~10 years at this level | 15% |
| implied end-window share | 0% |
Valuation X-Ray
Every valuation family lands below the price. The price therefore requires assumptions beyond what those standard frames encode.
How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.
| Family | Median price/FV | Models | Reads |
|---|---|---|---|
| Asset | 4.44x | 4 | expensive |
| Earnings | 4.76x | 5 | expensive |
| Relative | 2.78x | 5 | expensive |
| Growth | 1.26x | 3 | expensive |
Families that call it expensive: Asset, Earnings, Relative
The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 9.2%); the inversion above states its own rate.
Per-Model Detail (n=17)
| Model | Family | FV | Price/FV | Applicable | Methodology |
|---|---|---|---|---|---|
| DCF Perpetual Growth | Growth | $118.30 | 1.35x | yes | FCF base $2.9B, growth 16% (input: historical growth), terminal g 4.0%, WACC 9.2%, 6yr projection |
| DCF Exit Multiple | Growth | $201.45 | 0.79x | yes | Exit EV/EBITDA: 47.5x / 49.5x / 51.5x (bear / base = today's held flat / bull), 6yr |
| Relative Valuation | Relative | $104.80 | 1.53x | yes | P/E 37.83x (blended: sector 28x + trailing (TTM) 61x), scenarios: 31.0x / 37.8x / 44.7x (bear / base = sector held flat / bull), EV/EBITDA 28.84x |
| Simple DDM | Growth | — | — | no | — |
| Two-Stage DDM | Growth | — | — | no | — |
| Simple Excess Return | Asset | $28.45 | 5.62x | yes | BV/sh $1.33, ROE (TTM) 197.5%, ke 9.3% |
| Two-Stage Excess Return | Asset | $794.59 | 0.20x | yes | 5yr excess ROE then converge to ke=9.3% |
| Discounted Future Market Cap | Growth | $127.36 | 1.26x | yes | Rev $7.1B, growth 16% (input: historical growth; tapered), Terminal P/S: 9.8x / 12.0x / 14.2x (bear / base = today's held flat / bull, cap 12x) |
| Peter Lynch Fair Value | Relative | $30.96 | 5.17x | yes | EPS $2.58, growth 8% (input: historical EPS growth), PEG=7.60 (Overvalued) |
| Margin Trajectory | Growth | — | — | no | — |
| Earnings Power Value | Earnings | $20.94 | 7.64x | yes | Normalized EBIT (5y avg op income, one-time charges added back) $1.44B × (1−21%) / WACC 9.2% → EPV (no growth) |
| Residual Income | Asset | $49.02 | 3.26x | yes | BV $1.33 + 5yr PV of (ROE (TTM) 197.5% − Kₑ 9.3%) × BV; BV grows 8.8%/yr |
| Graham Number | Asset | $8.79 | 18.19x | yes | √(22.5 × EPS $2.58 × BVPS $1.33) — Graham's conservative floor |
| EV/EBITDA Relative | Relative | $66.05 | 2.42x | yes | EBITDA $2.37B × sector EV/EBITDA 20.0x |
| FCF Yield | Earnings | $37.77 | 4.23x | yes | FCF $2435.5M / Kₑ 9.3% — zero-growth perpetuity |
| SBC-Adj FCF Yield | Earnings | $33.57 | 4.76x | yes | SBC-adj FCF $2.15B (FCF $2.44B − SBC $0.29B) capitalized at Kₑ |
| Ben Graham Formula | Earnings | $52.97 | 3.02x | yes | EPS $2.58 × (8.5 + 2×8.0%) × (4.4 / 5.3%) |
| ROIC-Justified P/B | Asset | — | — | no | — |
| P/Sales Sector | Relative | $57.43 | 2.78x | yes | Revenue $7.11B × sector P/S 6.0x |
| PEG Fair Value | Relative | $30.96 | 5.17x | yes | EPS $2.58 × (PEG 1.5 × growth 8.0% (input: historical EPS growth)) → PE 12.0x |
| Earnings Yield | Earnings | $27.89 | 5.73x | yes | EPS $2.58 / required return 9.3% (Rf 4.3% + ERP 5.0%) |
| Funds From Operations Multiple | Relative | — | — | no | — |
| Clinical Phase NPV | Growth | — | — | no | — |
| Merton | Asset | — | — | no | — |
| V5 Mechanical | — | — | — | no | — |
Solvency
| Field | Value |
|---|---|
| Net cash | $1.7b |
| Net debt / NOPAT (after-tax) | -1.07x (net cash) |
| Net debt / operating income (pre-tax) | -0.85x (net cash) |
| Interest coverage | 102.5x |
| Share count CAGR (buyback) | -2.5% |
| Burning cash | no |
Bullet Takeaways
- Fortinet sells network security built around its own FortiGate firewalls and the FortiOS operating system, and the most decisive number this quarter was product revenue up 41%, a sign the firewall hardware refresh cycle has arrived.
- The biggest risk is the price itself: at $144.67 only a forward-growth assumption reaches the quote, while the methods anchored on current earnings and assets read the stock as richly valued.
- Watch billings, which grew 31% to $2.09 billion and signal future revenue, alongside the SASE and AI-security lines that are meant to extend growth beyond the hardware cycle.
Bull Case
One number anchors the bull case this quarter: product revenue grew 41%, to $645 million. That figure matters more than the headline because it signals the firewall refresh cycle has turned. Fortinet's customers buy physical FortiGate appliances on a multi-year replacement cadence, and a wave of those appliances installed years ago is now reaching end of life and being replaced, often with newer, higher-performance units like the recently announced 3500G and 400G series. A reaccelerating product line pulls along the higher-margin software and support subscriptions attached to each box, which is why total billings grew 31% to $2.09 billion, running ahead of revenue and foreshadowing future growth.
The durable advantage is the integration of hardware and software. The 10-K describes Fortinet's edge plainly: "our competitive differentiation lies in our core technologies, which together provide performance, security, flexibility and integration across diverse environments, with FortiOS as the "unified operating system that converges networking and AI-powered security. Because Fortinet designs its own security processors, it can deliver throughput at a lower cost than competitors relying on general-purpose chips, which is the price-performance advantage that keeps it winning against larger rivals. The platform is broadening beyond the firewall into SASE, where billings grew 31%, and AI-driven security operations, where billings grew 23%, extending the addressable market.
The profitability and cash generation are exceptional and underwrite the premium. First-quarter GAAP operating margin reached 31% and non-GAAP 36%, with GAAP diluted earnings per share up 29% to $0.72, and the company produced record free cash flow of $1.01 billion in a single quarter. The balance sheet holds net cash of about $1.73 billion with interest coverage above 100 times, and the share count is shrinking as management buys back stock. Management raised full-year guidance to billings of $8.8 billion to $9.1 billion and revenue of $7.71 billion to $7.87 billion. A high-margin cybersecurity platform with reaccelerating product sales, expanding software attach, and prodigious cash generation is the durable compounder the forward-growth methods are pricing.
Bear Case
Start with the qualitative truth before any ratio: a large share of Fortinet's growth this quarter came from a hardware refresh cycle, and hardware cycles are exactly that, cycles. The 41% jump in product revenue is real, but it reflects customers replacing appliances on a multi-year cadence, which means the strength pulls forward demand that will not repeat at the same pace once the installed base is refreshed. The market is extrapolating a cyclical surge as if it were a permanent growth rate. When the refresh wave passes, product growth normalizes, and a stock priced for sustained acceleration has to grow into a quieter year.
The valuation makes that risk concrete. At $144.67, only the forward-growth method reaches the price. The asset-based methods, the earnings-power methods, and the peer-multiple methods all land far below it, several at a third or less of the quote. The price requires Fortinet to sustain an operating margin around 26% and compound for over a decade. The extraordinary return on equity the model shows, near 200%, is not a sign of unusual profitability; it is an artifact of a tiny book-value base shrunk by years of buybacks, which flatters the ratio without indicating anything about durability. Strip the growth assumption and the methods that value the business on what it has earned point to a price well below today's.
Competition is intense and well-funded, which threatens the durability the price assumes. The 10-K names the field directly, listing competitors including "Palo Alto Networks, Cisco, CrowdStrike, F5, Microsoft, Zscaler, and others, and acknowledges some of them have "greater name recognition and/or longer operating histories and larger sales forces. The cybersecurity market is consolidating toward integrated platforms, and the largest players are spending heavily to win that consolidation. Fortinet's cost advantage in firewalls is real, but the growth areas it is counting on, SASE and AI security operations, are precisely where Palo Alto, Zscaler, and Microsoft are most aggressive. The structural truth is that the price treats a cyclical hardware tailwind and a contested software expansion as a smooth, decade-long compounding story, and the gap between what the business has earned and what the price demands rests entirely on that story holding through the next cycle and against deep-pocketed competition.
Valuation
The price is a bet on durable compounding that the static methods cannot frame, and the spread among the methods is wide. At $144.67, only the forward-growth method reaches the price. The asset-based methods, built from a book value of just $1.33 per share, the earnings-power methods, and the peer-multiple methods all land well below it, several at a fraction of the quote. When asset value, earnings power, and peer multiples all say richly valued and only the growth lens reaches the price, the market is paying a steep premium for compounding that has not yet been demonstrated over a full cycle.
What the price requires is close to what the company earns today on margin, but long on duration. The inversion shows the price needs roughly a 26% operating margin sustained for about 13 years, against the 31% GAAP margin the company posts now. So the bet is not on margin expansion; it is on Fortinet sustaining its current profitability and growth for well over a decade. The concrete support is the 31% billings growth and the 41% product reacceleration, but the durability question is whether those rates hold once the firewall refresh cycle matures and as competition in SASE and AI security intensifies. The honest framing for a software-and-hardware security platform is a blend of revenue and earnings multiples, and on both Fortinet trades at a premium to its peer set, which is the durability premium made visible. The peer cohort spans security and networking infrastructure names, and within it Fortinet's valuation is among the richer, reflecting its margin and cash-generation lead.
Solvency is a clear strength and not a concern. Fortinet holds net cash of about $1.73 billion, carries minimal debt with interest coverage above 100 times, and generates extraordinary free cash flow, over $1 billion in a single quarter. The balance sheet funds the buyback that shrinks the share count and supports continued investment. The decisive variable is not the balance sheet but the durability of growth: whether the hardware refresh and the software expansion sustain the pace the price assumes, against a backdrop of intense, well-capitalized competition. The raised full-year guidance is the near-term evidence the momentum continues.
Catalysts
Fortinet reported first-quarter 2026 results in May, with revenue up 20% year over year to $1.85 billion, driven by 41% growth in product revenue to $645 million and service revenue of $1.20 billion. Billings rose 31% to $2.09 billion. GAAP operating margin reached 31% and non-GAAP 36%, with GAAP diluted earnings per share up 29% to $0.72 and non-GAAP up 41% to $0.82. Operating cash flow and free cash flow both hit records, with free cash flow of $1.01 billion.
The growth drivers point beyond the firewall. Unified SASE billings grew 31% on stronger adoption of bundled SD-WAN and SASE offerings and rising interest in Sovereign SASE, while AI-driven security operations billings grew 23%, supported by more than 20 AI-enabled solutions on the platform. Fortinet also announced the 3500G and 400G series, higher-performance hardware that supports the ongoing refresh cycle. These are the lines to watch for whether growth extends past the hardware wave.
Management raised full-year 2026 guidance to billings of $8.8 billion to $9.1 billion, about 18% growth, and revenue of $7.71 billion to $7.87 billion, about 15% growth, while expecting to maintain a non-GAAP operating margin of 33% to 36%. The items to watch are the durability of the product refresh, the pace of SASE and AI-security adoption, and the competitive dynamics in those expansion markets against larger security vendors.
Peer Cohorts (Per Segment, With Filing Citations)
Cybersecurity (consolidated) (reported)
- CRWD (CrowdStrike Holdings Inc)
- (no filing in the citation store)
- PANW (Palo Alto Networks Inc)
- (no filing in the citation store)
- ZS (Zscaler Inc)
- (no filing in the citation store)
- S (SentinelOne Inc)
- (no filing in the citation store)
- OKTA (Okta Inc)
- (no filing in the citation store)
- QLYS (QUALYS, INC.)
- (no filing in the citation store)
Methodology Note
- Priced-in inversion: the valuation is inverted on the current price to recover the operating-income growth, duration, and steady-state margin the price embeds (ROE for financials, FFO growth for REITs).
- Valuation x-ray: the valuation models, grouped into four families (asset, earnings, relative, growth). Each model is expressed as a price/FV ratio (distance from price), not a point fair-value estimate. The spread across families is the disagreement.
- Solvency: net cash/debt, net-debt-to-NOPAT, interest coverage, and share-count CAGR from EDGAR financials (net debt / FFO and fixed-charge coverage for REITs; regulatory-capital framing for financials).
- Peer cohorts: per-segment comparables with deep-linkable SEC filing citations.
Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.
Sources
Q1 2026 results, May 2026 · 2026 guidance, May 2026 · Q1 2026 results release, May 2026