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

Past year -53.1% · daily closes, Oct 30, 2025 – Oct 30, 2026, adjusted for splits
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
Hudson Technologies, Inc. logo

Prices by listing

ListingLastChangeVolumeOpenHighLowPrevious closePrice from
NASDAQ:HDSN · Home$4.31 USD-0.11 (-2.5%)1,463,114$4.37$4.37$4.104$4.42Close on Oct 30, 2026

Daily closes

Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:HDSN · USD, adjusted for splits

DayCloseChange%OpenHighLowVolume
$4.31-0.11-2.5%$4.37$4.37$4.1041,463,114
$4.42-0.81-15.5%$4.55$4.59$4.1253,546,207
$5.23-0.03-0.6%$5.28$5.31$5.115463,940
$5.26+0.02+0.4%$5.23$5.29$5.20317,209
$5.24-0.13-2.4%$5.38$5.385$5.23280,400
$5.37+0.01+0.2%$5.32$5.42$5.27425,832
$5.36-0.05-0.9%$5.37$5.46$5.335404,533
$5.41+0.105+2.0%$5.32$5.43$5.28381,574
$5.305+0.165+3.2%$5.14$5.34$5.10628,719
$5.14+0.13+2.6%$5.10$5.16$5.01293,833
$5.01-0.03-0.6%$5.05$5.13$4.95401,200
$5.04-0.02-0.4%$5.06$5.08$5.00344,200
$5.06-0.10-1.9%$5.10$5.11$4.98559,400
$5.16+0.04+0.8%$5.16$5.18$5.11210,300
$5.12-0.02-0.4%$5.12$5.16$5.11174,800
$5.14-0.03-0.6%$5.17$5.19$5.10282,600
$5.17+0.02+0.4%$5.17$5.20$5.11292,200
$5.15-0.16-3.0%$5.30$5.30$5.11349,300
$5.31+0.09+1.7%$5.24$5.41$5.23295,300
$5.22-0.01-0.2%$5.21$5.24$5.12303,700
$5.23-0.02-0.4%$5.30$5.31$5.23206,700
$5.25+0.10+1.9%$5.18$5.28$5.13320,000
$5.150.000.0%$5.15$5.16$5.06680,700
$5.15+0.05+1.0%$5.13$5.17$5.06400,700
$5.10-0.06-1.2%$5.15$5.16$5.07261,300
$5.16-0.07-1.3%$5.23$5.25$5.15272,700
$5.23+0.09+1.8%$5.12$5.25$5.07821,200
$5.14-0.09-1.7%$5.22$5.22$5.10423,100
$5.23+0.04+0.8%$5.22$5.28$5.17379,700
$5.19+0.02+0.4%$5.18$5.22$5.10559,200
$5.17+0.02+0.4%$5.15$5.19$5.12552,900
$5.15-0.06-1.2%$5.27$5.32$5.13327,900
$5.21+0.01+0.2%$5.21$5.24$5.10360,000
$5.20-0.13-2.4%$5.30$5.31$5.14424,400
$5.33-0.08-1.5%$5.37$5.41$5.24367,000
$5.41+0.06+1.1%$5.47$5.49$5.38448,800
$5.35+0.03+0.6%$5.38$5.45$5.30591,300
$5.32-0.03-0.6%$5.35$5.50$5.29486,500
$5.350.000.0%$5.38$5.40$5.29330,300
$5.35+0.10+1.9%$5.22$5.36$5.22296,100
$5.25+0.13+2.5%$5.14$5.28$5.14409,400
$5.12-0.02-0.4%$5.13$5.21$5.10618,200
$5.14-0.20-3.7%$5.30$5.34$5.14468,200
$5.34-0.09-1.7%$5.39$5.40$5.32374,700
$5.43-0.05-0.9%$5.47$5.53$5.34621,100
$5.48+0.19+3.6%$5.49$5.59$5.36776,300
$5.29-0.18-3.3%$5.51$5.52$5.24594,100
$5.47-0.05-0.9%$5.53$5.53$5.41611,557
$5.52-0.11-2.0%$5.69$5.71$5.50530,824
$5.63+0.06+1.1%$5.67$5.70$5.61814,000
$5.57-0.29-4.9%$5.77$5.79$5.56699,100
$5.86+0.22+3.9%$5.67$5.96$5.65893,600
$5.64-0.51-8.3%$6.25$6.32$5.531,622,000
$6.15+0.48+8.5%$5.66$6.38$5.522,289,100
$5.670.000.0%$5.64$5.74$5.61289,700
$5.67+0.07+1.3%$5.63$5.72$5.61298,500
$5.60+0.07+1.3%$5.56$5.63$5.50466,600
$5.53-0.17-3.0%$5.72$5.75$5.53491,800
$5.70+0.10+1.8%$5.60$5.77$5.57599,500
$5.60-0.06-1.1%$5.68$5.77$5.57792,400
$5.66-0.56-9.0%$6.41$6.41$5.521,056,800
$6.22-0.10-1.6%$6.34$6.35$6.16500,600
$6.32+0.09+1.4%$6.26$6.34$6.17565,900
$6.23+0.19+3.1%$6.18$6.27$6.15345,000
$6.04+0.24+4.1%$5.82$6.07$5.82479,200
$5.80-0.04-0.7%$5.88$5.97$5.72327,400
Ticker
NASDAQ:HDSN
Asset type
Stock
Exchange
NASDAQ
Currency
USD

What changed lately

Calls

Replays

  • Hudson Technologies (NASDAQ:HDSN) Q3 2026 Earnings Call

    Wed, Oct 28, 2026 · 5:00 PM ET

    Watch Transcript

  • Hudson Technologies (NASDAQ:HDSN) Q2 2026 Earnings Call

    Wed, Aug 05, 2026 · 5:00 PM ET

    Watch Transcript

  • Hudson 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

All Hudson Technologies, Inc. news

Decks

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

ListingExchangeCountryCurrency
NASDAQ:HDSN · Home listing · This pageNASDAQUnited StatesUSD
BOATS:HDSNBOATSUnited StatesUSD

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