- Sector
- Healthcare
- Industry
- Biotechnology
- IPO Date
- Jul 13, 2021
Highlights
- Market Cap
- $1.32M
- Total Revenue (TTM)
- $652.00K
- EBITDA (TTM)
- -$26.97M
- Year Range
- $0.00 - $0.33
- Avg. Volume (1M)
- 11K
- Avg. Volume Value (1M)
- $338.97
Share Price Chart
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Performance
NKGN Performance Chart
NKGen Biotech Inc. Common Stock (NKGN) is down 79.8% since the beginning of the year. At $0 per share, NKGN is trading 96.9% below its 52-week high of $0. Investors who bought $1,000 worth of NKGN shares 5 years ago would now be looking at an investment worth $1.
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Returns By Period
NKGen Biotech Inc. Common Stock (NKGN) has returned -79.80% so far this year and -92.79% over the past 12 months.
NKGen Biotech Inc. Common Stock
- 1D
- 0.00%
- 1M
- -83.17%
- 6M
- -83.17%
- YTD
- -79.80%
- 1Y
- -92.79%
- 3Y*
- -90.09%
- 5Y*
- -74.70%
- 10Y*
- —
- ALL TIME*
- -74.34%
Benchmark (S&P 500 Index)
- 1D
- 0.70%
- 1M
- 0.09%
- 6M
- 7.94%
- YTD
- 9.41%
- 1Y
- 20.07%
- 3Y*
- 17.84%
- 5Y*
- 11.25%
- 10Y*
- 13.26%
- ALL TIME*
- 8.09%
NKGN Monthly Returns History
Based on dividend-adjusted daily data since Jul 13, 2021, NKGN's average daily return is +1.07%, while the average monthly return is -3.08%.
Historically, 52% of months were positive and 48% were negative. The best month was Mar 2024 with a return of +137.1%, while the worst month was Jul 2026 at -83.2%. The longest winning streak lasted 12 consecutive months, and the longest losing streak was 5 months.
On a daily basis, NKGN closed higher 30% of trading days. The best single day was Oct 13, 2025 with a return of +400.0%, while the worst single day was Oct 3, 2025 at -99.8%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 20.00% | 0.00% | 16.67% | -14.29% | 0.00% | 0.00% | -83.17% | -79.80% | |||||
| 2025 | -25.44% | 9.21% | -66.26% | -8.61% | 71.43% | 17.02% | -57.58% | -5.36% | -16.98% | -81.82% | 80.00% | 38.89% | -92.37% |
| 2024 | -45.45% | -46.87% | 137.14% | -20.11% | 10.60% | -23.95% | -13.39% | -29.88% | -50.99% | -27.06% | 45.09% | 63.80% | -76.17% |
| 2023 | 1.11% | 0.30% | 0.40% | 0.49% | 0.69% | 0.78% | 0.68% | 0.96% | -20.95% | -64.70% | 17.74% | -20.29% | -72.36% |
| 2022 | 0.00% | 0.31% | -0.21% | 0.72% | -0.92% | 0.31% | 0.72% | -0.61% | 0.31% | 0.62% | 1.22% | 0.20% | 2.68% |
| 2021 | 0.52% | -0.72% | 0.10% | 0.72% | -0.61% | -0.10% | -0.10% |
Benchmark Metrics
NKGen Biotech Inc. Common Stock has an annualized alpha of 1215.96%, beta of 0.88, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since July 13, 2021.
- This stock participated in 237.86% of S&P 500 Index downside but only -110.98% of its upside - more exposed to losses than it benefited from rallies.
- R2 of 0.00 means this stock moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 1,215.96%
- Beta
- 0.88
- R²
- 0.00
- Upside Capture
- -110.98%
- Downside Capture
- 237.86%
Return for Risk
Risk / Return Rank
NKGN ranks 50 for risk / return — above 50% of stocks peers on PortfoliosLab. Its historical combined result is near the middle of the peer group.
Risk / Return Metrics
The table below present risk-adjusted performance metrics for NKGen Biotech Inc. Common Stock (NKGN) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| NKGN | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.56 | ||
| Sortino ratioReturn per unit of downside risk | +4.82 | ||
| Omega ratioGain probability vs. loss probability | 2.80 | 1.25 | +1.55 |
| Calmar ratioReturn relative to maximum drawdown | -0.93 | 2.00 | -2.93 |
| Martin ratioReturn relative to average drawdown | -1.40 | 8.49 | -9.89 |
Dividends
Dividend History
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the NKGen Biotech Inc. Common Stock. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the NKGen Biotech Inc. Common Stock was 100.00%, occurring on Oct 3, 2025. The portfolio has not yet recovered.
The current NKGen Biotech Inc. Common Stock drawdown is 99.91%.
Drawdown | Fall | Recovery | Underwater | Related event |
|---|---|---|---|---|
-100.00%Oct 2025 | 2y 1mo | — | 2y 11moAug 2023 - now | — |
-3.50%Jan 2022 | 6mo 16d | 11mo 14d | 1y 5moJul 2021 - Jan 2023 | Bear market2022 |
-3.04%Aug 2023 | 1mo 15d | 1d | 1mo 16dJul 2023 - Aug 2023 | — |
-2.01%May 2023 | 3d | 1mo 22d | 1mo 25dMay 2023 - Jul 2023 | — |
-0.98%Mar 2023 | 2d | 1mo 10d | 1mo 12dMar 2023 - May 2023 | — |
Drawdown Indicators
| NKGN | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -100.00% | -56.78% | -43.22% |
Max Drawdown (1Y)Largest decline over 1 year | -99.88% | -9.10% | -90.78% |
Max Drawdown (3Y)Largest decline over 3 years | -100.00% | -18.90% | -81.10% |
Max Drawdown (5Y)Largest decline over 5 years | -100.00% | -25.43% | -74.57% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | -99.91% | -1.58% | -98.33% |
Average DrawdownAverage peak-to-trough decline | -53.12% | -10.70% | -42.42% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 66.09% | 2.14% | +63.95% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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Financials
Financial Performance
The chart below illustrates the trends in the financial health of NKGen Biotech Inc. Common Stock over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.
Valuation
The Valuation section provides an overview of how NKGen Biotech Inc. Common Stock is priced in the market compared to other companies in the Biotechnology industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.
Income Statement
| TTM | |
|---|---|
Revenue | |
Total Revenue | — |
Cost Of Revenue | — |
Gross Profit | — |
Operating Expenses | |
Selling, General & Admin Expenses | — |
R&D Expenses | — |
Depreciation And Amortization | — |
Total Operating Expenses | — |
Income | |
Income Before Tax | — |
Operating Income | — |
EBITDA | — |
EBIT | — |
Earnings From Continuing Operations | — |
Net Income | — |
Income Tax Expense | — |
Other Non-Operating Income (Expenses) | — |
Extraordinary Items | — |
Discontinued Operations | — |
Effect Of Accounting Charges | — |
Non Recurring | — |
Minority Interest | — |
Other Items | — |
Interest Income | — |
Interest Expense | — |
Net Interest Income | — |
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