Kiniksa Pharmaceuticals, Ltd. (KNSA) Stock Price History
Historical prices from 2018 to 2026
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KNSA Historical Performance
Short-Term Returns
KNSA Stock Price Trajectory (2018–2026)
As of May 7, 2026, Kiniksa Pharmaceuticals, Ltd. (KNSA) trades at $58.23, representing a +116.1% return over the past year. The stock has delivered a +298.3% total return over five years (+31.8% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $58.25 on May 6, 2026. From this peak, KNSA has corrected -0.0%, currently trading 43% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers ARDX (+79.7% 1Y), PRAX (+860.9% 1Y), and RCUS (+220.2% 1Y), KNSA has underperformed the peer group average. Compare KNSA vs ARDX →
KNSA Historical Price Data (2018–2026)
Showing 30 of 1,999 records| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-06 | 56.52 | 58.25 | 55.82 | 58.23 | 678K | +2.63% |
| 2026-05-05 | 57.20 | 58.20 | 56.25 | 56.74 | 226K | -1.53% |
| 2026-05-04 | 54.97 | 57.70 | 54.97 | 57.62 | 634K | +4.25% |
| 2026-05-01 | 53.78 | 55.28 | 52.77 | 55.27 | 854K | +2.77% |
| 2026-04-30 | 53.57 | 54.07 | 52.55 | 53.78 | 742K | +1.49% |
| 2026-04-29 | 53.88 | 54.30 | 52.29 | 52.99 | 1.21M | -1.60% |
| 2026-04-28 | 46.71 | 54.23 | 45.01 | 53.85 | 3.00M | +23.48% |
| 2026-04-27 | 43.18 | 44.24 | 42.61 | 43.61 | 906K | +1.92% |
| 2026-04-24 | 42.62 | 43.00 | 41.95 | 42.79 | 570K | -0.60% |
| 2026-04-23 | 43.30 | 43.84 | 42.51 | 43.05 | 563K | +0.02% |
| 2026-04-22 | 42.84 | 43.69 | 42.67 | 43.04 | 632K | +1.39% |
| 2026-04-21 | 42.16 | 43.46 | 41.49 | 42.45 | 1.07M | -0.02% |
| 2026-04-20 | 44.77 | 44.86 | 42.46 | 42.46 | 1.16M | -5.43% |
| 2026-04-17 | 45.40 | 45.91 | 44.74 | 44.90 | 995K | -0.93% |
| 2026-04-16 | 46.44 | 46.62 | 44.90 | 45.32 | 587K | -1.24% |
| 2026-04-15 | 47.00 | 47.55 | 45.21 | 45.89 | 702K | -2.20% |
| 2026-04-14 | 46.51 | 47.78 | 45.60 | 46.92 | 717K | -0.80% |
| 2026-04-13 | 47.35 | 48.45 | 46.60 | 47.30 | 343K | +0.47% |
| 2026-04-10 | 47.21 | 47.74 | 46.78 | 47.08 | 457K | -0.53% |
| 2026-04-09 | 46.69 | 47.55 | 44.40 | 47.33 | 663K | +0.64% |
| 2026-04-08 | 49.23 | 49.64 | 46.46 | 47.03 | 587K | -3.90% |
| 2026-04-07 | 49.25 | 50.01 | 48.67 | 48.94 | 396K | -1.23% |
| 2026-04-06 | 48.58 | 50.03 | 48.58 | 49.55 | 780K | +1.50% |
| 2026-04-02 | 48.03 | 48.85 | 46.82 | 48.82 | 274K | +1.43% |
| 2026-04-01 | 48.85 | 49.33 | 47.71 | 48.13 | 463K | -0.04% |
| 2026-03-31 | 46.66 | 48.56 | 45.99 | 48.15 | 589K | +5.36% |
| 2026-03-30 | 45.59 | 45.95 | 44.76 | 45.70 | 315K | -0.11% |
| 2026-03-27 | 46.73 | 46.91 | 45.44 | 45.75 | 954K | -2.20% |
| 2026-03-26 | 45.75 | 47.13 | 45.24 | 46.78 | 396K | +2.05% |
| 2026-03-25 | 45.00 | 46.70 | 45.00 | 45.84 | 364K | +2.00% |
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Start ComparisonKNSA — Frequently Asked Questions
Quick answers to the most common questions about buying KNSA stock.
How has KNSA stock performed recently?
KNSA returned +116.1% over the past year, beating its 5-year annualized CAGR of +31.8%. The stock trades above its 200-day moving average, confirming the uptrend.
What is KNSA's all-time high price?
Kiniksa Pharmaceuticals, Ltd. reached $58.25 on 2026-05-06. The 52-week high is $58.25. Current 1-year return of +116.1% places the stock closer to historical peaks.
Where can I download KNSA historical price data?
This page provides KNSA daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2018-2026, downloadable in CSV format.