Stock listing
NASDAQ:HDSN Hudson Technologies, Inc. Stock
Home listing (NASDAQ) of Hudson Technologies, Inc.
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Share price · NASDAQ:HDSN
$4.31 USD -0.11 (-2.5%)
Close on Oct 30, 2026
- Day range
- $4.10 – $4.37 USDOct 30, 2026
- Volume
- 1.46M sharesOct 30, 2026
- Market cap
- $181.4M USDAt the close on Oct 30, 2026 · price × 42.09M shares outstanding
- 52-week range
- $4.10 – $9.18 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $3.03M USDMedian day 425,116 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:HDSN · Home | $4.31 USD | -0.11 (-2.5%) | 1,463,114 | $4.37 | $4.37 | $4.104 | $4.42 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:HDSN · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $4.31 | -0.11 | -2.5% | $4.37 | $4.37 | $4.104 | 1,463,114 | |
| $4.42 | -0.81 | -15.5% | $4.55 | $4.59 | $4.125 | 3,546,207 | |
| $5.23 | -0.03 | -0.6% | $5.28 | $5.31 | $5.115 | 463,940 | |
| $5.26 | +0.02 | +0.4% | $5.23 | $5.29 | $5.20 | 317,209 | |
| $5.24 | -0.13 | -2.4% | $5.38 | $5.385 | $5.23 | 280,400 | |
| $5.37 | +0.01 | +0.2% | $5.32 | $5.42 | $5.27 | 425,832 | |
| $5.36 | -0.05 | -0.9% | $5.37 | $5.46 | $5.335 | 404,533 | |
| $5.41 | +0.105 | +2.0% | $5.32 | $5.43 | $5.28 | 381,574 | |
| $5.305 | +0.165 | +3.2% | $5.14 | $5.34 | $5.10 | 628,719 | |
| $5.14 | +0.13 | +2.6% | $5.10 | $5.16 | $5.01 | 293,833 | |
| $5.01 | -0.03 | -0.6% | $5.05 | $5.13 | $4.95 | 401,200 | |
| $5.04 | -0.02 | -0.4% | $5.06 | $5.08 | $5.00 | 344,200 | |
| $5.06 | -0.10 | -1.9% | $5.10 | $5.11 | $4.98 | 559,400 | |
| $5.16 | +0.04 | +0.8% | $5.16 | $5.18 | $5.11 | 210,300 | |
| $5.12 | -0.02 | -0.4% | $5.12 | $5.16 | $5.11 | 174,800 | |
| $5.14 | -0.03 | -0.6% | $5.17 | $5.19 | $5.10 | 282,600 | |
| $5.17 | +0.02 | +0.4% | $5.17 | $5.20 | $5.11 | 292,200 | |
| $5.15 | -0.16 | -3.0% | $5.30 | $5.30 | $5.11 | 349,300 | |
| $5.31 | +0.09 | +1.7% | $5.24 | $5.41 | $5.23 | 295,300 | |
| $5.22 | -0.01 | -0.2% | $5.21 | $5.24 | $5.12 | 303,700 | |
| $5.23 | -0.02 | -0.4% | $5.30 | $5.31 | $5.23 | 206,700 | |
| $5.25 | +0.10 | +1.9% | $5.18 | $5.28 | $5.13 | 320,000 | |
| $5.15 | 0.00 | 0.0% | $5.15 | $5.16 | $5.06 | 680,700 | |
| $5.15 | +0.05 | +1.0% | $5.13 | $5.17 | $5.06 | 400,700 | |
| $5.10 | -0.06 | -1.2% | $5.15 | $5.16 | $5.07 | 261,300 | |
| $5.16 | -0.07 | -1.3% | $5.23 | $5.25 | $5.15 | 272,700 | |
| $5.23 | +0.09 | +1.8% | $5.12 | $5.25 | $5.07 | 821,200 | |
| $5.14 | -0.09 | -1.7% | $5.22 | $5.22 | $5.10 | 423,100 | |
| $5.23 | +0.04 | +0.8% | $5.22 | $5.28 | $5.17 | 379,700 | |
| $5.19 | +0.02 | +0.4% | $5.18 | $5.22 | $5.10 | 559,200 | |
| $5.17 | +0.02 | +0.4% | $5.15 | $5.19 | $5.12 | 552,900 | |
| $5.15 | -0.06 | -1.2% | $5.27 | $5.32 | $5.13 | 327,900 | |
| $5.21 | +0.01 | +0.2% | $5.21 | $5.24 | $5.10 | 360,000 | |
| $5.20 | -0.13 | -2.4% | $5.30 | $5.31 | $5.14 | 424,400 | |
| $5.33 | -0.08 | -1.5% | $5.37 | $5.41 | $5.24 | 367,000 | |
| $5.41 | +0.06 | +1.1% | $5.47 | $5.49 | $5.38 | 448,800 | |
| $5.35 | +0.03 | +0.6% | $5.38 | $5.45 | $5.30 | 591,300 | |
| $5.32 | -0.03 | -0.6% | $5.35 | $5.50 | $5.29 | 486,500 | |
| $5.35 | 0.00 | 0.0% | $5.38 | $5.40 | $5.29 | 330,300 | |
| $5.35 | +0.10 | +1.9% | $5.22 | $5.36 | $5.22 | 296,100 | |
| $5.25 | +0.13 | +2.5% | $5.14 | $5.28 | $5.14 | 409,400 | |
| $5.12 | -0.02 | -0.4% | $5.13 | $5.21 | $5.10 | 618,200 | |
| $5.14 | -0.20 | -3.7% | $5.30 | $5.34 | $5.14 | 468,200 | |
| $5.34 | -0.09 | -1.7% | $5.39 | $5.40 | $5.32 | 374,700 | |
| $5.43 | -0.05 | -0.9% | $5.47 | $5.53 | $5.34 | 621,100 | |
| $5.48 | +0.19 | +3.6% | $5.49 | $5.59 | $5.36 | 776,300 | |
| $5.29 | -0.18 | -3.3% | $5.51 | $5.52 | $5.24 | 594,100 | |
| $5.47 | -0.05 | -0.9% | $5.53 | $5.53 | $5.41 | 611,557 | |
| $5.52 | -0.11 | -2.0% | $5.69 | $5.71 | $5.50 | 530,824 | |
| $5.63 | +0.06 | +1.1% | $5.67 | $5.70 | $5.61 | 814,000 | |
| $5.57 | -0.29 | -4.9% | $5.77 | $5.79 | $5.56 | 699,100 | |
| $5.86 | +0.22 | +3.9% | $5.67 | $5.96 | $5.65 | 893,600 | |
| $5.64 | -0.51 | -8.3% | $6.25 | $6.32 | $5.53 | 1,622,000 | |
| $6.15 | +0.48 | +8.5% | $5.66 | $6.38 | $5.52 | 2,289,100 | |
| $5.67 | 0.00 | 0.0% | $5.64 | $5.74 | $5.61 | 289,700 | |
| $5.67 | +0.07 | +1.3% | $5.63 | $5.72 | $5.61 | 298,500 | |
| $5.60 | +0.07 | +1.3% | $5.56 | $5.63 | $5.50 | 466,600 | |
| $5.53 | -0.17 | -3.0% | $5.72 | $5.75 | $5.53 | 491,800 | |
| $5.70 | +0.10 | +1.8% | $5.60 | $5.77 | $5.57 | 599,500 | |
| $5.60 | -0.06 | -1.1% | $5.68 | $5.77 | $5.57 | 792,400 | |
| $5.66 | -0.56 | -9.0% | $6.41 | $6.41 | $5.52 | 1,056,800 | |
| $6.22 | -0.10 | -1.6% | $6.34 | $6.35 | $6.16 | 500,600 | |
| $6.32 | +0.09 | +1.4% | $6.26 | $6.34 | $6.17 | 565,900 | |
| $6.23 | +0.19 | +3.1% | $6.18 | $6.27 | $6.15 | 345,000 | |
| $6.04 | +0.24 | +4.1% | $5.82 | $6.07 | $5.82 | 479,200 | |
| $5.80 | -0.04 | -0.7% | $5.88 | $5.97 | $5.72 | 327,400 |
- Ticker
- NASDAQ:HDSN
- Asset type
- Stock
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Oct 28, 2026
Hudson Technologies reports third quarter 2026 results
Latest earnings call · Oct 28, 2026
Hudson Technologies (NASDAQ:HDSN) Q3 2026 Earnings Call
Replay and transcript
Latest deck · June 2026
Investor Presentation (June 2026)
Investor deck · 20 slides
Calls
Replays
Hudson Technologies (NASDAQ:HDSN) Q3 2026 Earnings Call
Wed, Oct 28, 2026 · 5:00 PM ET
Watch TranscriptHudson Technologies (NASDAQ:HDSN) Q2 2026 Earnings Call
Wed, Aug 05, 2026 · 5:00 PM ET
Watch TranscriptHudson Technologies (NASDAQ:HDSN) Q1 2026 Earnings Call
Wed, May 06, 2026 · 5:00 PM ET
Watch Transcript
Latest news
Hudson Technologies reports third quarter 2026 results
Oct 28, 2026
Closed $4.42 (-15.5%) on Oct 29, 2026
Hudson Technologies to Host Conference Call to Discuss Third Quarter 2026 Results
Oct 14, 2026
Closed $5.06 (-1.9%) on Oct 14, 2026
Hudson Technologies Signs Joint Development Agreement with Icorium; Expands Commitment to Commercialize and Scale Patented Extractive Distillation Technology
Sep 17, 2026
Closed $5.17 (+0.4%) on Sep 18, 2026
Hudson Technologies to Host Climate Week NYC 2026 Panel Discussion
Aug 19, 2026
Closed $5.86 (+3.9%) on Aug 19, 2026
Hudson Technologies Re-Awarded Defense Logistics Agency Contract
Aug 5, 2026
Closed $5.66 (-9.0%) on Aug 6, 2026
Hudson Technologies Reports Second Quarter 2026 Results
Aug 5, 2026
Closed $5.66 (-9.0%) on Aug 6, 2026
Hudson Technologies to Host Conference Call to Discuss Second Quarter 2026 Results
Jul 22, 2026
Closed $6.19 (+3.2%) on Jul 22, 2026
Hudson Technologies: And Icorium reach preliminary agreement to establish a commercialization partnership for novel extractive distillation technology
Jul 2, 2026
Closed $5.99 (+5.6%) on Jul 2, 2026
Hudson Technologies Receives Extension of Contract with the United States Defense Logistics Agency
May 28, 2026
Closed $5.32 (-0.9%) on May 29, 2026
Hudson Technologies Announces Open Market Share Purchases by the Board and Senior Management
May 18, 2026
Closed $4.95 (+0.6%) on May 18, 2026
Decks
Investor Presentation (June 2026)
Investor deck · 20 slides · June 2026
Investor Presentation (November 2025)
Investor deck · 24 slides · November 2025
Investor Presentation (August 2025)
Investor deck · 24 slides · August 2025
Q1 2025 Earnings Presentation
Earnings · 21 slides · May 7, 2025
Hudson Technologies, Inc. on 6ix
- News releases
- 27 in the last 12 months · 91 in all · newest Oct 28, 2026 · oldest 2019
- Calls
- 20 calls with a replay · 20 with a transcript · latest Oct 28, 2026
- Decks
- 8 decks · latest June 2026
Where Hudson Technologies, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:HDSN · Home listing · This page | NASDAQ | United States | USD |
| BOATS:HDSN | BOATS | United States | USD |
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