Stock listing
NASDAQ:ERII Energy Recovery, Inc. Stock
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Share price · NASDAQ:ERII
$6.66 USD +0.01 (+0.2%)
Close on Oct 19, 2026
- Day range
- $6.58 – $6.72 USDOct 19, 2026
- Volume
- 572,413 sharesOct 19, 2026
- Market cap
- $340.0M USDAt the close on Oct 19, 2026 · price × 51.04M shares outstanding
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:ERII · Home | $6.66 USD | +0.01 (+0.2%) | 572,413 | $6.70 | $6.72 | $6.58 | $6.65 | Close on Oct 19, 2026 |
| Frankfurt:5E2 | €5.93 EUR | +0.076 (+1.3%) | — | €5.93 | €5.93 | €5.93 | €5.854 | Close on Oct 19, 2026 |
Daily closes
Last 3 months, Jul 20, 2026 – Oct 19, 2026 · NASDAQ:ERII · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $6.66 | +0.01 | +0.2% | $6.70 | $6.72 | $6.58 | 572,413 | |
| $6.65 | +0.01 | +0.2% | $6.66 | $6.81 | $6.62 | 888,168 | |
| $6.64 | -0.07 | -1.0% | $6.74 | $6.77 | $6.635 | 585,249 | |
| $6.71 | -0.14 | -2.0% | $6.75 | $6.80 | $6.64 | 655,300 | |
| $6.85 | -0.02 | -0.3% | $6.85 | $6.885 | $6.67 | 721,833 | |
| $6.87 | +0.03 | +0.4% | $6.84 | $6.93 | $6.80 | 476,100 | |
| $6.84 | 0.00 | 0.0% | $6.84 | $6.88 | $6.73 | 461,600 | |
| $6.84 | +0.11 | +1.6% | $6.76 | $6.92 | $6.69 | 1,149,900 | |
| $6.73 | -0.35 | -4.9% | $6.94 | $6.95 | $6.63 | 689,000 | |
| $7.08 | +0.25 | +3.7% | $6.90 | $7.15 | $6.87 | 1,389,200 | |
| $6.83 | +0.06 | +0.9% | $6.75 | $6.84 | $6.63 | 872,100 | |
| $6.77 | +0.07 | +1.0% | $6.81 | $6.83 | $6.71 | 618,200 | |
| $6.70 | +0.03 | +0.4% | $6.68 | $6.77 | $6.60 | 725,500 | |
| $6.67 | -0.08 | -1.2% | $6.75 | $6.78 | $6.66 | 824,600 | |
| $6.75 | +0.03 | +0.4% | $6.75 | $6.82 | $6.70 | 689,500 | |
| $6.72 | -0.09 | -1.3% | $6.78 | $6.79 | $6.60 | 931,400 | |
| $6.81 | -0.02 | -0.3% | $6.83 | $6.90 | $6.77 | 681,700 | |
| $6.83 | +0.03 | +0.4% | $6.76 | $6.84 | $6.69 | 800,500 | |
| $6.80 | -0.32 | -4.5% | $7.06 | $7.06 | $6.78 | 777,600 | |
| $7.12 | +0.09 | +1.3% | $7.06 | $7.14 | $6.95 | 754,100 | |
| $7.03 | +0.04 | +0.6% | $7.00 | $7.07 | $6.91 | 977,800 | |
| $6.99 | -0.06 | -0.9% | $6.97 | $7.06 | $6.89 | 1,947,800 | |
| $7.05 | -0.05 | -0.7% | $7.19 | $7.20 | $6.96 | 656,400 | |
| $7.10 | +0.04 | +0.6% | $7.08 | $7.33 | $7.05 | 912,700 | |
| $7.06 | -0.03 | -0.4% | $7.11 | $7.12 | $6.90 | 1,293,300 | |
| $7.09 | -0.46 | -6.1% | $7.18 | $7.27 | $6.93 | 2,015,100 | |
| $7.55 | +0.28 | +3.9% | $7.39 | $7.59 | $7.33 | 928,800 | |
| $7.27 | -0.11 | -1.5% | $7.35 | $7.42 | $7.25 | 810,700 | |
| $7.38 | -0.32 | -4.2% | $7.64 | $7.68 | $7.33 | 922,700 | |
| $7.70 | +0.07 | +0.9% | $7.57 | $7.79 | $7.49 | 1,140,800 | |
| $7.63 | -0.02 | -0.3% | $7.62 | $7.75 | $7.60 | 642,900 | |
| $7.65 | +0.07 | +0.9% | $7.64 | $7.72 | $7.53 | 802,400 | |
| $7.58 | -0.15 | -1.9% | $7.75 | $7.76 | $7.53 | 945,700 | |
| $7.73 | +0.02 | +0.3% | $7.65 | $7.77 | $7.60 | 1,293,400 | |
| $7.71 | -0.06 | -0.8% | $7.73 | $7.80 | $7.63 | 3,244,400 | |
| $7.77 | -0.13 | -1.6% | $7.92 | $8.05 | $7.76 | 683,800 | |
| $7.90 | -0.04 | -0.5% | $7.90 | $7.96 | $7.76 | 566,900 | |
| $7.94 | +0.09 | +1.1% | $7.86 | $8.02 | $7.82 | 682,600 | |
| $7.85 | +0.05 | +0.6% | $7.84 | $7.90 | $7.74 | 583,700 | |
| $7.80 | -0.10 | -1.3% | $7.90 | $7.90 | $7.63 | 811,200 | |
| $7.90 | +0.15 | +1.9% | $7.82 | $7.94 | $7.76 | 506,000 | |
| $7.75 | -0.16 | -2.0% | $7.79 | $7.86 | $7.58 | 1,019,200 | |
| $7.91 | +0.03 | +0.4% | $7.86 | $8.00 | $7.78 | 889,900 | |
| $7.88 | -0.26 | -3.2% | $8.06 | $8.12 | $7.74 | 1,003,600 | |
| $8.14 | -0.21 | -2.5% | $8.35 | $8.38 | $8.09 | 1,177,600 | |
| $8.35 | +0.53 | +6.8% | $7.91 | $8.39 | $7.76 | 1,353,800 | |
| $7.82 | +0.04 | +0.5% | $7.76 | $7.84 | $7.51 | 1,276,300 | |
| $7.78 | +0.06 | +0.8% | $7.77 | $7.93 | $7.74 | 714,800 | |
| $7.72 | -0.27 | -3.4% | $7.99 | $8.05 | $7.71 | 1,164,400 | |
| $7.99 | -0.69 | -7.9% | $8.70 | $8.73 | $7.87 | 913,800 | |
| $8.68 | -0.05 | -0.6% | $8.86 | $8.92 | $8.57 | 976,300 | |
| $8.73 | -0.13 | -1.5% | $8.36 | $8.81 | $8.31 | 1,333,800 | |
| $8.86 | -0.26 | -2.9% | $9.11 | $9.34 | $8.80 | 914,800 | |
| $9.12 | +0.21 | +2.4% | $9.03 | $9.17 | $8.87 | 951,100 | |
| $8.91 | +0.26 | +3.0% | $8.79 | $8.92 | $8.56 | 1,278,400 | |
| $8.65 | +0.22 | +2.6% | $8.50 | $8.66 | $8.31 | 1,452,100 | |
| $8.43 | +0.29 | +3.6% | $8.28 | $8.46 | $8.16 | 847,300 | |
| $8.14 | -0.26 | -3.1% | $8.30 | $8.39 | $7.86 | 1,511,400 | |
| $8.40 | -0.12 | -1.4% | $8.56 | $8.73 | $8.35 | 688,100 | |
| $8.52 | +0.10 | +1.2% | $8.45 | $8.66 | $8.37 | 767,400 | |
| $8.42 | +0.01 | +0.1% | $8.46 | $8.56 | $8.36 | 514,100 | |
| $8.41 | -0.13 | -1.5% | $8.43 | $8.61 | $8.37 | 546,300 | |
| $8.54 | -0.08 | -0.9% | $8.62 | $8.68 | $8.47 | 608,100 | |
| $8.62 | +0.14 | +1.7% | $8.52 | $8.74 | $8.52 | 596,400 | |
| $8.48 | -0.14 | -1.6% | $8.65 | $8.68 | $8.46 | 558,500 |
- Ticker
- NASDAQ:ERII
- Asset type
- Stock
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Oct 8, 2026
Energy Recovery Secures Contract to Supply New PX...
Latest earnings call · Aug 5, 2026
Energy Recovery (NASDAQ:ERII) Q2 2026 Earnings Call
Replay and transcript
Latest deck · Aug 5, 2026
Q2 2026 Earnings Presentation
Earnings · 10 slides
Calls
Replays
Energy Recovery (NASDAQ:ERII) Q2 2026 Earnings Call
Wed, Aug 05, 2026 · 5:00 PM ET
Watch TranscriptEnergy Recovery (NASDAQ:ERII) Q1 2026 Earnings Call
Wed, May 06, 2026 · 5:00 PM ET
Watch TranscriptEnergy Recovery (NASDAQ:ERII) Q4 2025 Earnings Call
Wed, Feb 25, 2026 · 5:00 PM ET
Watch Transcript
Latest news
Energy Recovery Secures Contract to Supply New PX...
Oct 8, 2026
Closed $6.84 (+1.6%) on Oct 8, 2026
Energy Recovery Secures Contract to Supply New PX Q650 Energy Recovery Device to Major Saudi Arabia Desalination Plant
Oct 8, 2026
Closed $6.84 (+1.6%) on Oct 8, 2026
Energy Recovery to Release Third Quarter 2026 Financial Results
Oct 6, 2026
Closed $7.08 (+3.7%) on Oct 6, 2026
Energy Recovery Reports its Second Quarter 2026 Financial Results
Aug 5, 2026
Closed $8.73 (-1.5%) on Aug 6, 2026
Energy Recovery Signs Lease for New Manufacturing Facility Near Dammam, Saudi Arabia
Jul 28, 2026
Closed $8.40 (-1.4%) on Jul 28, 2026
Energy Recovery Technology to Help Deliver Water Security to One Million People Across Saudi Arabia's Mecca, Al-Baha, and Asir Regions
Jul 20, 2026
Closed $8.48 (-1.6%) on Jul 20, 2026
Energy Recovery to Release Second Quarter 2026 Financial Results
Jul 17, 2026
Closed $8.62 (-0.9%) on Jul 17, 2026
John Mitchell Joins Energy Recovery Board of Directors
Jul 13, 2026
Closed $8.66 (-0.8%) on Jul 13, 2026
Decks
Q2 2026 Earnings Presentation
Earnings · 10 slides · Aug 5, 2026
Q2 2025 Earnings Presentation
Earnings · 11 slides · Aug 6, 2025
Southwest IDEAS Conference 2023
Conference · 27 slides · Nov 15, 2023
Midwest IDEAS Conference 2023
Conference · 28 slides · Aug 23, 2023
Energy Recovery, Inc. on 6ix
- News releases
- 18 in the last 12 months · 139 in all · newest Oct 8, 2026 · oldest 2019
- Calls
- 18 calls with a replay · 18 with a transcript · latest Aug 5, 2026
- Decks
- 39 decks · latest Aug 5, 2026
Where Energy Recovery, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:ERII · Home listing · This page | NASDAQ | United States | USD |
| gettex:5E2 | gettex | Germany | EUR |
| Tradegate:5E2 | Tradegate | Germany | EUR |
| LS Exchange:A0NJUL | LS Exchange | Germany | EUR |
| Lang & Schwarz:A0NJUL | Lang & Schwarz | Germany | EUR |
| BOATS:ERII | BOATS | United States | USD |
| Stuttgart:5E2 | Stuttgart | Germany | EUR |
| Frankfurt:5E2 | Frankfurt | Germany | EUR |
| Hanover:5E2 | Hanover | Germany | EUR |
| Dusseldorf:5E2 | Dusseldorf | Germany | EUR |
| Hamburg:5E2 | Hamburg | Germany | EUR |
| Munich:5E2 | Munich | Germany | EUR |
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