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Celldex Therapeutics Inc Stock (CLDX) Price History

The historical daily chart and data for Celldex Therapeutics Inc stock (CLDX), show that the latest closing stock price as of October 15, 2026, is $28.72.
  • Celldex Therapeutics Inc all-time high stock price is $3,375.00, occurred on March 07, 2000.
  • The lowest Celldex Therapeutics Inc stock price recorded was $1.50 on March 19, 2020. Since then, Celldex Therapeutics Inc's stock price has risen over 1,815% to $28.72 now.
  • The 52-week high stock price for CLDX is $45.14, representing a 57.17% increase from the current share price, occurred on August 12, 2026.
  • The 52-week low stock price for CLDX is $22.10, indicating a -23.05% decrease from the current share price, occurred on November 11, 2025.
  • The closing price of Celldex Therapeutics Inc (CLDX) stock in the beginning of 2025 was $25.79. The stock closed the year at $27.16, a gain of over 5.31% for the year.
The table below shows more information about CLDX historical price data:
Date High Low High - Low Volume % Change
Oct 15, 2026 $28.85 $27.65 $1.20 478,021.0 +3.11%
Oct 14, 2026 $28.73 $27.68 $1.05 1,044,323.0 -1.47%
Oct 13, 2026 $29.28 $27.92 $1.36 1,897,949.0 -4.01%
Oct 12, 2026 $30.02 $28.99 $1.04 596,417.0 -1.54%
Oct 09, 2026 $30.25 $28.88 $1.38 992,779.0 +2.01%
Oct 08, 2026 $30.10 $28.63 $1.47 3,950,474.0 -3.71%
Oct 07, 2026 $31.35 $30.11 $1.25 1,746,939.0 -1.85%
Oct 06, 2026 $32.68 $30.85 $1.83 1,768,235.0 -4.86%
Oct 05, 2026 $32.88 $31.50 $1.38 1,257,865.0 +2.97%
Oct 02, 2026 $32.54 $30.98 $1.56 2,405,741.0 -1.65%
Oct 01, 2026 $32.55 $31.70 $0.8484 1,443,330.0 -0.71%
Sep 30, 2026 $32.76 $31.45 $1.31 2,502,809.0 +2.43%
Sep 29, 2026 $31.79 $31.00 $0.795 2,028,909.0 +0.48%
Sep 28, 2026 $32.15 $30.38 $1.77 1,824,250.0 +1.25%
Sep 25, 2026 $31.70 $30.65 $1.05 2,023,928.0 -1.21%
Sep 24, 2026 $31.66 $30.59 $1.07 2,274,723.0 +1.16%
Sep 23, 2026 $33.59 $30.41 $3.19 4,235,974.0 -7.13%
Sep 22, 2026 $38.39 $30.39 $8.00 12,888,897.0 -11.56%
Sep 21, 2026 $41.62 $37.48 $4.14 549,508.0 -0.92%
Sep 18, 2026 $38.87 $37.53 $1.34 2,081,878.0 -1.90%
Sep 17, 2026 $40.66 $38.92 $1.74 1,278,872.0 +0.70%
Sep 16, 2026 $39.21 $38.25 $0.96 1,001,436.0 +0.52%
Sep 15, 2026 $39.19 $37.74 $1.45 686,380.0 -1.71%

Celldex Therapeutics Inc Stock (CLDX) Year by Year Price History

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

Celldex Therapeutics Inc Stock (CLDX) Price History 2026

Month High Low High - Low Volume % Change
Oct, 2026 $32.88 $27.65 $5.23 17,582,073.0 -11.45%
Sep, 2026 $41.62 $30.38 $11.24 39,629,029.0 -18.22%
Aug, 2026 $45.14 $37.05 $8.09 17,607,873.0 +4.13%
Jul, 2026 $40.30 $33.37 $6.93 20,853,439.0 +2.28%
Jun, 2026 $39.16 $28.38 $10.78 27,183,054.0 +18.39%
May, 2026 $34.94 $29.27 $5.67 14,050,237.0 -4.41%
Apr, 2026 $35.79 $28.41 $7.38 24,204,723.0 +3.66%
Mar, 2026 $34.52 $27.92 $6.60 22,353,487.0 +5.42%
Feb, 2026 $31.31 $22.33 $8.98 17,964,714.0 +22.32%
Jan, 2026 $28.27 $23.95 $4.32 13,129,969.0 -9.43%

Celldex Therapeutics Inc Stock (CLDX) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $30.50 $24.97 $5.53 15,999,603.0 -2.18%
Nov, 2025 $27.05 $22.10 $4.95 16,213,269.0 +1.08%
Oct, 2025 $28.59 $24.49 $4.10 19,355,824.0 +3.32%
Sep, 2025 $26.46 $21.77 $4.69 27,786,834.0 +17.16%
Aug, 2025 $25.79 $19.72 $6.07 30,503,231.0 +0.45%
Jul, 2025 $24.05 $20.01 $4.04 19,941,301.0 +8.01%
Jun, 2025 $24.03 $19.25 $4.79 24,034,462.0 +2.88%
May, 2025 $21.23 $17.85 $3.38 19,246,214.0 -5.04%
Apr, 2025 $21.58 $14.40 $7.18 17,450,750.0 +14.77%
Mar, 2025 $22.33 $17.63 $4.70 15,604,437.0 -11.76%
Feb, 2025 $24.38 $19.82 $4.55 13,916,541.0 -16.01%
Jan, 2025 $29.05 $22.16 $6.89 20,150,909.0 -3.09%

Celldex Therapeutics Inc Stock (CLDX) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $28.65 $23.94 $4.71 17,466,463.0 -8.45%
Nov, 2024 $28.40 $22.93 $5.47 19,044,823.0 +5.30%
Oct, 2024 $34.50 $25.67 $8.83 20,334,997.0 -23.33%
Sep, 2024 $47.00 $28.51 $18.49 30,759,401.0 -17.76%
Aug, 2024 $41.80 $31.40 $10.40 12,948,753.0 +8.45%
Jul, 2024 $46.86 $35.00 $11.86 15,458,332.0 +2.97%
Jun, 2024 $38.05 $32.25 $5.80 14,393,093.0 +11.14%
May, 2024 $43.35 $32.91 $10.44 12,718,848.0 -11.01%
Apr, 2024 $41.84 $35.65 $6.19 13,198,452.0 -10.84%
Mar, 2024 $53.18 $39.50 $13.68 23,962,607.0 -12.67%
Feb, 2024 $52.96 $34.65 $18.31 20,202,625.0 +36.46%
Jan, 2024 $43.05 $35.19 $7.86 14,062,787.0 -11.20%
$4.1801
price up icon 11.77%
$38.35
price up icon 2.24%
$16.75
price up icon 0.81%
SLS SLS
$11.33
price down icon 4.63%
$19.61
price up icon 6.66%
$57.63
price up icon 3.40%
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