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Kiniksa Pharmaceuticals International Plc Stock (KNSA) Price History

The historical daily chart and data for Kiniksa Pharmaceuticals International Plc stock (KNSA), show that the latest closing stock price as of October 16, 2026, is $78.59.
  • Kiniksa Pharmaceuticals International Plc all-time high stock price is $82.98, occurred on October 15, 2026.
  • The lowest Kiniksa Pharmaceuticals International Plc stock price recorded was $5.02 on October 17, 2019. Since then, Kiniksa Pharmaceuticals International Plc's stock price has risen over 1,466% to $78.59 now.
  • The 52-week high stock price for KNSA is $82.98, representing a 5.58% increase from the current share price, occurred on October 15, 2026.
  • The 52-week low stock price for KNSA is $35.20, indicating a -55.21% decrease from the current share price, occurred on October 28, 2025.
  • The closing price of Kiniksa Pharmaceuticals International Plc (KNSA) stock in the beginning of 2025 was $19.94. The stock closed the year at $41.25, a gain of over 106.87% for the year.
The table below shows more information about KNSA historical price data:
Date High Low High - Low Volume % Change
Oct 16, 2026 $80.34 $76.88 $3.46 524,763.0 -1.69%
Oct 15, 2026 $82.98 $79.62 $3.36 1,485,073.0 +1.40%
Oct 14, 2026 $79.96 $77.70 $2.26 576,559.0 +0.39%
Oct 13, 2026 $80.00 $78.45 $1.55 578,479.0 -0.90%
Oct 12, 2026 $80.99 $78.82 $2.17 340,940.0 -0.68%
Oct 09, 2026 $80.50 $78.03 $2.47 430,280.0 +1.31%
Oct 08, 2026 $78.83 $75.44 $3.39 411,568.0 +1.01%
Oct 07, 2026 $79.22 $74.70 $4.52 381,046.0 +1.13%
Oct 06, 2026 $77.32 $73.84 $3.48 378,744.0 +1.02%
Oct 05, 2026 $76.79 $75.28 $1.51 391,512.0 +0.69%
Oct 02, 2026 $76.22 $74.56 $1.66 376,308.0 +0.76%
Oct 01, 2026 $76.11 $73.14 $2.97 878,563.0 +0.82%
Sep 30, 2026 $76.55 $73.76 $2.79 650,611.0 -1.48%
Sep 29, 2026 $76.52 $74.33 $2.19 286,028.0 -0.49%
Sep 28, 2026 $76.42 $74.02 $2.40 734,142.0 +1.36%
Sep 25, 2026 $76.00 $74.53 $1.47 478,994.0 -0.35%
Sep 24, 2026 $76.95 $74.46 $2.49 433,345.0 -0.97%
Sep 23, 2026 $78.23 $74.88 $3.35 408,456.0 -2.46%
Sep 22, 2026 $79.54 $77.37 $2.17 403,996.0 -0.17%
Sep 21, 2026 $78.73 $75.90 $2.83 451,629.0 +1.15%
Sep 18, 2026 $79.61 $76.99 $2.62 1,025,734.0 -2.63%

Kiniksa Pharmaceuticals International Plc Stock (KNSA) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Kiniksa Pharmaceuticals International Plc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of KNSA shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Kiniksa Pharmaceuticals International Plc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Kiniksa Pharmaceuticals International Plc Stock (KNSA) Price History 2026

Month High Low High - Low Volume % Change
Oct, 2026 $82.98 $73.14 $9.84 6,753,835.0 +5.33%
Sep, 2026 $81.41 $73.76 $7.65 10,888,115.0 -5.11%
Aug, 2026 $81.57 $71.42 $10.15 9,297,743.0 +5.77%
Jul, 2026 $82.94 $60.06 $22.88 16,744,667.0 +16.25%
Jun, 2026 $64.81 $46.10 $18.71 20,197,294.0 +32.18%
May, 2026 $59.87 $48.06 $11.81 11,253,930.0 -10.04%
Apr, 2026 $54.30 $41.49 $12.81 17,777,365.0 +11.69%
Mar, 2026 $48.56 $43.33 $5.23 14,720,780.0 +8.23%
Feb, 2026 $49.12 $41.12 $8.00 10,300,962.0 +1.30%
Jan, 2026 $45.00 $37.02 $7.98 13,871,269.0 +6.47%

Kiniksa Pharmaceuticals International Plc Stock (KNSA) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $44.42 $39.61 $4.81 7,609,462.0 -3.60%
Nov, 2025 $42.98 $36.56 $6.42 6,504,404.0 +14.89%
Oct, 2025 $42.05 $35.20 $6.85 11,964,955.0 -4.69%
Sep, 2025 $39.00 $33.45 $5.55 8,694,302.0 +15.95%
Aug, 2025 $34.55 $30.04 $4.51 11,416,835.0 +10.67%
Jul, 2025 $31.92 $26.27 $5.65 14,028,073.0 +9.36%
Jun, 2025 $30.69 $26.54 $4.15 23,019,890.0 +1.13%
May, 2025 $28.56 $24.85 $3.71 10,590,601.0 +1.45%
Apr, 2025 $27.53 $18.25 $9.27 15,414,366.0 +21.43%
Mar, 2025 $24.31 $20.39 $3.92 12,588,146.0 +9.52%
Feb, 2025 $20.73 $18.12 $2.61 9,608,669.0 +3.47%
Jan, 2025 $20.90 $17.82 $3.08 7,217,896.0 -0.91%

Kiniksa Pharmaceuticals International Plc Stock (KNSA) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $22.31 $19.50 $2.81 6,628,586.0 -11.23%
Nov, 2024 $23.52 $20.41 $3.11 5,882,055.0 -2.26%
Oct, 2024 $28.15 $20.26 $7.89 6,981,015.0 -9.60%
Sep, 2024 $27.25 $23.16 $4.09 9,301,990.0 -6.54%
Aug, 2024 $27.92 $23.34 $4.58 6,797,672.0 +0.53%
Jul, 2024 $27.88 $17.38 $10.50 13,144,929.0 +42.47%
Jun, 2024 $19.84 $17.73 $2.11 7,948,584.0 -1.79%
May, 2024 $20.52 $18.33 $2.19 6,607,908.0 +1.55%
Apr, 2024 $19.73 $16.56 $3.17 8,213,285.0 -5.12%
Mar, 2024 $22.09 $19.15 $2.94 8,221,474.0 -6.67%
Feb, 2024 $21.98 $17.52 $4.46 6,582,618.0 +19.91%
Jan, 2024 $20.36 $17.57 $2.79 10,008,925.0 +0.51%
$99.70
price down icon 0.29%
$28.07
price down icon 4.46%
$19.18
price down icon 0.36%
$41.22
price up icon 2.79%
RGC RGC
$9.59
price up icon 0.74%
$32.45
price down icon 3.48%
Cap:     |  Volume (24h):