Celldex Therapeutics, Inc. (CLDX) Stock Price History
Historical prices from 2011 to 2026
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CLDX Historical Performance
Short-Term Returns
CLDX Stock Price Trajectory (2011–2026)
As of May 8, 2026, Celldex Therapeutics, Inc. (CLDX) trades at $33.32, representing a +76.2% return over the past year. The stock has delivered a +22.0% total return over five years (+4.1% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $3,375.00 on March 7, 2000. From this peak, CLDX has corrected -99.0%, currently trading 24% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers IMVT (+96.1% 1Y), ARDX (+88.6% 1Y), and RCUS (+209.6% 1Y), CLDX has underperformed the peer group average. Compare CLDX vs IMVT →
CLDX Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 34.17 | 34.25 | 32.58 | 33.32 | 859K | -3.11% |
| 2026-05-06 | 33.61 | 34.54 | 33.33 | 34.39 | 520K | +1.57% |
| 2026-05-05 | 33.13 | 34.09 | 32.43 | 33.86 | 717K | +3.33% |
| 2026-05-04 | 32.17 | 33.01 | 32.17 | 32.77 | 461K | +1.42% |
| 2026-05-01 | 32.90 | 33.86 | 32.17 | 32.31 | 313K | -1.73% |
| 2026-04-30 | 32.70 | 33.30 | 32.29 | 32.88 | 497K | +2.30% |
| 2026-04-29 | 32.73 | 33.04 | 31.65 | 32.14 | 583K | -3.29% |
| 2026-04-28 | 33.81 | 34.59 | 33.21 | 33.23 | 742K | -1.26% |
| 2026-04-27 | 33.15 | 34.50 | 33.15 | 33.66 | 790K | +1.11% |
| 2026-04-24 | 33.80 | 33.80 | 32.88 | 33.29 | 583K | -0.77% |
| 2026-04-23 | 34.51 | 34.96 | 33.20 | 33.55 | 682K | -1.93% |
| 2026-04-22 | 34.57 | 34.74 | 33.84 | 34.21 | 722K | -0.12% |
| 2026-04-21 | 33.88 | 34.27 | 33.80 | 34.25 | 798K | -0.38% |
| 2026-04-20 | 35.79 | 35.79 | 34.34 | 34.38 | 876K | -0.49% |
| 2026-04-17 | 34.55 | 35.29 | 34.32 | 34.55 | 1.32M | +2.04% |
| 2026-04-16 | 33.82 | 33.97 | 33.28 | 33.86 | 829K | -0.03% |
| 2026-04-15 | 33.54 | 34.26 | 33.49 | 33.87 | 949K | +1.62% |
| 2026-04-14 | 31.96 | 33.73 | 31.96 | 33.33 | 820K | +2.27% |
| 2026-04-13 | 32.57 | 32.83 | 32.11 | 32.59 | 674K | +1.09% |
| 2026-04-10 | 33.60 | 33.73 | 32.08 | 32.24 | 668K | -4.10% |
| 2026-04-09 | 32.40 | 33.86 | 32.23 | 33.62 | 787K | +3.73% |
| 2026-04-08 | 31.97 | 32.59 | 31.04 | 32.41 | 1.76M | +3.38% |
| 2026-04-07 | 30.96 | 31.62 | 30.61 | 31.35 | 1.40M | -0.06% |
| 2026-04-06 | 31.75 | 32.32 | 30.88 | 31.37 | 1.64M | +1.00% |
| 2026-04-02 | 29.12 | 31.31 | 28.41 | 31.06 | 5.14M | -0.64% |
| 2026-04-01 | 31.94 | 32.61 | 31.14 | 31.26 | 393K | -1.45% |
| 2026-03-31 | 30.48 | 32.42 | 30.46 | 31.72 | 1.36M | +7.60% |
| 2026-03-30 | 30.24 | 30.67 | 29.25 | 29.48 | 627K | -2.71% |
| 2026-03-27 | 31.62 | 31.75 | 30.13 | 30.30 | 876K | -4.57% |
| 2026-03-26 | 31.17 | 32.66 | 31.17 | 31.75 | 744K | +0.22% |
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Start ComparisonCLDX — Frequently Asked Questions
Quick answers to the most common questions about buying CLDX stock.
How has CLDX stock performed recently?
CLDX returned +76.2% over the past year, beating its 5-year annualized CAGR of +4.1%. The stock trades above its 200-day moving average, confirming the uptrend.
What is CLDX's all-time high price?
Celldex Therapeutics, Inc. reached $3375.00 on 2000-03-07. The 52-week high is $35.79. Current 1-year return of +76.2% places the stock closer to historical peaks.
Where can I download CLDX historical price data?
This page provides CLDX daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.