Comprehensive Stock Comparison
Compare Cidara Therapeutics, Inc. (CDTX) vs Vertex Pharmaceuticals Incorporated (VRTX) Stock
Analyze side-by-side fundamentals, valuation, growth, and profitability to decide which stock is the better buy.
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Quick Verdict
| Category | Winner | Why |
|---|---|---|
| Growth | VRTX | 8.9% revenue growth vs CDTX's -94.5% |
| Quality / Margins | VRTX | 31.3% net margin vs CDTX's -133.2% |
| Stability / Safety | VRTX | Beta 0.44 vs CDTX's 0.65 |
| Dividends | Tie | Neither pays a meaningful dividend |
| Momentum (1Y) | CDTX | +7.9% vs VRTX's +3.6% |
| Efficiency (ROA) | VRTX | 14.8% ROA vs CDTX's -35.6% |
Who Each Stock Is For
Income & stability
Growth exposure
Long-term compounding (10Y)
Sleep-well-at-night portfolio
Defensive / Recession hedge
Business Model
What each company does and how it makes money
Cidara Therapeutics is a biotechnology company developing long-acting anti-infective drugs for serious fungal and viral diseases. It generates revenue primarily through strategic partnerships and licensing agreements — including a major deal with Melinta Therapeutics for its lead antifungal candidate rezafungin — while advancing its proprietary Cloudbreak platform for antiviral conjugates. The company's key advantage is its Cloudbreak platform technology, which enables creation of targeted, long-acting conjugates that combine antiviral or antifungal agents with immune system boosters.
Vertex Pharmaceuticals is a biotechnology company focused on developing and commercializing transformative medicines for serious diseases, with its flagship franchise targeting cystic fibrosis. It generates nearly all its revenue from CF therapies — primarily Trikafta/Kaftrio — while building a pipeline in pain, kidney disease, and type 1 diabetes. Its moat stems from deep scientific expertise in CFTR biology and a dominant, near-monopoly position in the CF treatment market.
Revenue Breakdown by Segment
How each company's revenue is distributed across its business units
Financial Metrics Comparison
Side-by-side fundamentals across 2 stocks. BestLagging
Financial Scorecard
VRTX leads in 3 of 6 categories (Financial Metrics, Valuation Metrics). CDTX leads in 1 (Total Returns). 1 tied.
Financial Metrics (TTM)
VRTX and CDTX operate at a comparable scale, with $11.7B and $0 in trailing revenue. VRTX is the more profitable business, keeping 31.3% of every revenue dollar as net income compared to CDTX's -133.2%.
| Metric | CDTXCidara Therapeuti… | VRTXVertex Pharmaceut… |
|---|---|---|
| RevenueTrailing 12 months | $0 | $11.7B |
| EBITDAEarnings before interest/tax | -$195M | $4.2B |
| Net IncomeAfter-tax profit | -$185M | $3.7B |
| Free Cash FlowCash after capex | -$133M | $3.3B |
| Gross MarginGross profit ÷ Revenue | +100.0% | +86.3% |
| Operating MarginEBIT ÷ Revenue | -138.1% | +34.1% |
| Net MarginNet income ÷ Revenue | -133.2% | +31.3% |
| FCF MarginFCF ÷ Revenue | -138.6% | +28.5% |
| Rev. Growth (YoY)Latest quarter vs prior year | — | +11.0% |
| EPS Growth (YoY)Latest quarter vs prior year | -30.3% | +4.7% |
Valuation Metrics
| Metric | CDTXCidara Therapeuti… | VRTXVertex Pharmaceut… |
|---|---|---|
| Market CapShares × price | $7.0B | $126.2B |
| Enterprise ValueMkt cap + debt − cash | $6.8B | $124.8B |
| Trailing P/EPrice ÷ TTM EPS | -8.28x | 32.43x |
| Forward P/EPrice ÷ next-FY EPS est. | — | 25.66x |
| PEG RatioP/E ÷ EPS growth rate | — | 3.91x |
| EV / EBITDAEnterprise value multiple | — | 26.63x |
| Price / SalesMarket cap ÷ Revenue | 5460.07x | 10.52x |
| Price / BookPrice ÷ Book value/share | 8.61x | 6.87x |
| Price / FCFMarket cap ÷ FCF | — | 39.51x |
Profitability & Efficiency
VRTX delivers a 21.2% return on equity — every $100 of shareholder capital generates $21 in annual profit, vs $-44 for CDTX. CDTX carries lower financial leverage with a 0.02x debt-to-equity ratio, signaling a more conservative balance sheet compared to VRTX's 0.20x. On the Piotroski fundamental quality scale (0–9), VRTX scores 5/9 vs CDTX's 3/9, reflecting solid financial health.
| Metric | CDTXCidara Therapeuti… | VRTXVertex Pharmaceut… |
|---|---|---|
| ROE (TTM)Return on equity | -43.7% | +21.2% |
| ROA (TTM)Return on assets | -35.6% | +14.8% |
| ROICReturn on invested capital | — | +22.8% |
| ROCEReturn on capital employed | -2.1% | +23.0% |
| Piotroski ScoreFundamental quality 0–9 | 3 | 5 |
| Debt / EquityFinancial leverage | 0.02x | 0.20x |
| Net DebtTotal debt minus cash | -$186M | $3.7B |
| Cash & Equiv.Liquid assets | $190M | $5.1B |
| Total DebtShort + long-term debt | $4M | $3.7B |
| Interest CoverageEBIT ÷ Interest expense | — | 348.55x |
Total Returns (with DRIP)
A $10,000 investment in CDTX five years ago would be worth $48,336 today (with dividends reinvested), compared to $23,616 for VRTX. Over the past 12 months, CDTX leads with a +789.1% total return vs VRTX's +3.6%. The 3-year compound annual growth rate (CAGR) favors CDTX at 94.3% vs VRTX's 19.6% — a key indicator of consistent wealth creation.
| Metric | CDTXCidara Therapeuti… | VRTXVertex Pharmaceut… |
|---|---|---|
| YTD ReturnYear-to-date | +0.2% | +9.9% |
| 1-Year ReturnPast 12 months | +789.1% | +3.6% |
| 3-Year ReturnCumulative with dividends | +633.0% | +71.1% |
| 5-Year ReturnCumulative with dividends | +383.4% | +136.2% |
| 10-Year ReturnCumulative with dividends | +10.5% | +481.2% |
| CAGR (3Y)Annualised 3-year return | +94.3% | +19.6% |
Risk & Volatility
VRTX is the less volatile stock with a 0.44 beta — it tends to amplify market swings less than CDTX's 0.65 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. CDTX currently trades 100.0% from its 52-week high vs VRTX's 95.6% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | CDTXCidara Therapeuti… | VRTXVertex Pharmaceut… |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 0.65x | 0.44x |
| 52-Week HighHighest price in past year | $221.42 | $519.68 |
| 52-Week LowLowest price in past year | $15.22 | $362.50 |
| % of 52W HighCurrent price vs 52-week peak | +100.0% | +95.6% |
| RSI (14)Momentum oscillator 0–100 | 84.8 | 54.6 |
| Avg Volume (50D)Average daily shares traded | 796K | 1.2M |
Analyst Outlook
Wall Street rates CDTX as "Buy" and VRTX as "Buy". Consensus price targets imply 9.7% upside for VRTX (target: $545) vs -19.6% for CDTX (target: $178).
| Metric | CDTXCidara Therapeuti… | VRTXVertex Pharmaceut… |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | Buy | Buy |
| Price TargetConsensus 12-month target | $177.88 | $545.08 |
| # AnalystsCovering analysts | 11 | 55 |
| Dividend YieldAnnual dividend ÷ price | — | — |
| Dividend StreakConsecutive years of raises | — | — |
| Dividend / ShareAnnual DPS | — | — |
| Buyback YieldShare repurchases ÷ mkt cap | 0.0% | +1.6% |
Historical Charts
Charts are rendered on first load. Hover for details.
Chart 1Total Return — 5 Years (Rebased to 100)
| Stock | Mar 20 | Jan 26 | Change |
|---|---|---|---|
| Cidara Therapeutics… (CDTX) | 100 | 373.36 | +273.4% |
| Vertex Pharmaceutic… (VRTX) | 100 | 194.64 | +94.6% |
Cidara Therapeutics… (CDTX) returned +383% over 5 years vs Vertex Pharmaceutic… (VRTX)'s +136%. A $10,000 investment in CDTX 5 years ago would be worth $48,336 today (including dividends reinvested).
Chart 2Revenue Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| Cidara Therapeutics… (CDTX) | $0.00 | $1M | — |
| Vertex Pharmaceutic… (VRTX) | $1.7B | $12.0B | +605.1% |
Vertex Pharmaceuticals Incorporated's revenue grew from $1.7B (2016) to $12.0B (2025) — a 24.2% CAGR.
Chart 3Net Margin Trend — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| Cidara Therapeutics… (CDTX) | -196.5% | -133.2% | +32.2% |
| Vertex Pharmaceutic… (VRTX) | -6.6% | 32.9% | +600.4% |
Vertex Pharmaceuticals Incorporated's net margin went from -7% (2016) to 33% (2025).
Chart 4P/E Ratio History — 8 Years
| Stock | 2017 | 2025 | Change |
|---|---|---|---|
| Vertex Pharmaceutic… (VRTX) | 144.1 | 29.6 | -79.5% |
Vertex Pharmaceuticals Incorporated has traded in a 21x–144x P/E range over 8 years; current trailing P/E is ~32x.
Chart 5EPS Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| Cidara Therapeutics… (CDTX) | -66.49 | -26.75 | +59.8% |
| Vertex Pharmaceutic… (VRTX) | -0.46 | 15.32 | +3430.4% |
Vertex Pharmaceuticals Incorporated's EPS grew from $-0.46 (2016) to $15.32 (2025).
Chart 6Free Cash Flow — 5 Years
Cidara Therapeutics, Inc. generated $-177M FCF in 2024 (-599% vs 2021). Vertex Pharmaceuticals Incorporated generated $3B FCF in 2025 (+33% vs 2021).
CDTX vs VRTX: Frequently Asked Questions
8 questions · data-driven answers · updated daily
01Is CDTX or VRTX a better buy right now?
Vertex Pharmaceuticals Incorporated (VRTX) offers the better valuation at 32.4x trailing P/E (25.7x forward), making it the more compelling value choice. Analysts rate Cidara Therapeutics, Inc. (CDTX) a "Buy" — based on 11 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.
02Which is the better long-term investment — CDTX or VRTX?
Over the past 5 years, Cidara Therapeutics, Inc. (CDTX) delivered a total return of +383.4%, compared to +136.2% for Vertex Pharmaceuticals Incorporated (VRTX). A $10,000 investment in CDTX five years ago would be worth approximately $48K today (assuming dividends reinvested). Over 10 years, the gap is even starker: VRTX returned +481.2% versus CDTX's +10.5%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
03Which is safer — CDTX or VRTX?
By beta (market sensitivity over 5 years), Vertex Pharmaceuticals Incorporated (VRTX) is the lower-risk stock at 0.44β versus Cidara Therapeutics, Inc.'s 0.65β — meaning CDTX is approximately 48% more volatile than VRTX relative to the S&P 500. On balance sheet safety, Cidara Therapeutics, Inc. (CDTX) carries a lower debt/equity ratio of 2% versus 20% for Vertex Pharmaceuticals Incorporated — giving it more financial flexibility in a downturn.
04Which has better profit margins — CDTX or VRTX?
Vertex Pharmaceuticals Incorporated (VRTX) is the more profitable company, earning 32.9% net margin versus -133.2% for Cidara Therapeutics, Inc. — meaning it keeps 32.9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: VRTX leads at 39.1% versus -138.1% for CDTX. At the gross margin level — before operating expenses — CDTX leads at 100.0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.
05Is CDTX or VRTX more undervalued right now?
Analyst consensus price targets imply the most upside for VRTX: 9.7% to $545.08.
06Which pays a better dividend — CDTX or VRTX?
None of the stocks in this comparison currently pay a material dividend. All are effectively zero-yield and should be held for capital appreciation rather than income.
07Is CDTX or VRTX better for a retirement portfolio?
For long-horizon retirement investors, Vertex Pharmaceuticals Incorporated (VRTX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.44), +481.2% 10Y return). Both have compounded well over 10 years (VRTX: +481.2%, CDTX: +10.5%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.
08What are the main differences between CDTX and VRTX?
Both stocks operate in the Healthcare sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.
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