MetaCap

OIO Group (OIO) vs Perma-Fix Environmental Services (PESI)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.

Summary

Perma-Fix Environmental Services (PESI) has outperformed OIO Group (OIO) over the past year, gaining 41.5% versus a loss of 85.3%. OIO Group is the larger company by market cap ($591.6 million vs $292.0 million), about 2.0 times the size.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

OIO-85.33%PESI+41.46%
+103%+3%-97%
Oct 8, 20251 yearOct 8, 2026
OIO-94.09%PESI+157.92%
+259%+73%-113%
Apr 4, 20225 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

OIO versus PESI key metrics
MetricOIOPESI
Share price$1.70$13.76
Market cap$591.64M$291.96M
1-day change-3.41%-2.82%
YTD return-85.33%+12.47%
1-year return-85.33%+41.46%
5-year return—+104.92%
Forward P/E—152.89
EPS (TTM)$-1.02$-0.96
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$12.03$21.32
52-week low$1.36$8.58
Distance from 52-week high-85.87%-35.46%
Analyst consensusnonestrong_buy
Avg. price target upside+161.18%+118.02%
Average volume133.30K429.74K
Shares outstanding348.02M21.22M
Employees—293
SectorUtilitiesIndustrials
IndustryEnvironmental ServicesEnvironmental Services

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • OIO Group is about 2.0 times larger than Perma-Fix Environmental Services by market value ($591.64M vs $291.96M).
  • PESI has outperformed OIO by 126.8 percentage points over the past year.
  • The two companies sit in different sectors: OIO Group in Utilities and Perma-Fix Environmental Services in Industrials.

About OIO Group

OIO stock →

OIO Group operates as a waste management, treatment, and recycling company. The company is involved in the collection and recycling of hazardous and non-hazardous industrial waste from customers, such as pharmaceutical, semiconductor, petrochemical and electroplating companies.

Utilities · Environmental Services

About Perma-Fix Environmental Services

PESI stock →

Perma-Fix Environmental Services, Inc., through its subsidiaries, operates as an environmental and technology know-how company in the United States. The company operates in two segments, Treatment and Services.

Industrials · Environmental Services · 293 employees

OIO vs PESI FAQ

Which is bigger, OIO Group or Perma-Fix Environmental Services?

OIO Group (OIO) is larger, with a market capitalization of $591.64M compared with $291.96M for Perma-Fix Environmental Services (PESI).

Which stock has performed better over the past year, OIO or PESI?

PESI returned +41.46% over the past 12 months, compared with -85.33% for OIO (price return, excluding dividends). Past performance does not predict future results.

Are OIO Group and Perma-Fix Environmental Services in the same industry?

Yes. Both are classified in the Environmental Services industry within the Utilities sector.

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