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Compare · ALTO vs WLK

ALTO vs WLK

Side-by-side comparison of Alto Ingredients Inc. (ALTO) and Westlake Corporation (WLK): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both ALTO and WLK operate in Major Chemicals (Industrials), so they compete in similar markets.
  • WLK is the larger of the two at $11.03B, about 27.1x ALTO ($407.6M).
  • Over the past year, ALTO is up 408.5% and WLK is up 10.4% - ALTO leads by 398.1 points.
  • WLK has been more active in the news (4 items in the past 4 weeks vs 3 for ALTO).
  • WLK has more recent analyst coverage (25 ratings vs 0 for ALTO).
PerformanceALTO+408.48%WLK+10.40%
2025-06-10+0.00%2026-06-10
MetricALTOWLK
Company
Alto Ingredients Inc.
Westlake Corporation
Price
$5.69+8.17%
$88.11+2.33%
Market cap
$407.6M
$11.03B
1M return
+16.22%
-9.67%
1Y return
+408.48%
+10.40%
Industry
Major Chemicals
Major Chemicals
Exchange
NASDAQ
NYSE
IPO
2004
News (4w)
3
4
Recent ratings
0
25
ALTO

Alto Ingredients Inc.

Alto Ingredients, Inc. produces and markets specialty alcohols and essential ingredients in the United States. It operates in two segments, Production and Marketing. The company offers specialty alcohols used in mouthwash, cosmetics, pharmaceuticals, hand sanitizers, disinfectants, and cleaners; alcoholic beverages, flavor extracts, and vinegar, as well as corn germ used for corn oils and carbon dioxide. It also provides essential ingredients, such as dried yeast, corn gluten meal, corn gluten feed, distillers grains, and liquid feed used in commercial animal feed and pet food; and fuel-grade ethanol used as transportation fuel and distillers corn oil used as a biodiesel feedstock, as well as fuel-grade ethanol produced by third parties. In addition, the company offers transportation, storage, and delivery services through third-party service providers. It sells ethanol to integrated oil companies and gasoline marketers; essential ingredient feed products to dairies and feedlots; and corn oil to poultry and biodiesel customers. The company operates seven ethanol production facilities, including three plants in the Midwestern states of Illinois; and four plants located in the Western states of California, Oregon, and Idaho. The company was formerly known as Pacific Ethanol, Inc. and changed its name to Alto Ingredients, Inc. in January 2021. Alto Ingredients, Inc. was founded in 2003 and is headquartered in Sacramento, California.

WLK

Westlake Corporation

Westlake Chemical Corporation, together with its subsidiaries, manufactures and markets basic chemicals, vinyls, polymers, and building products worldwide. It operates through two segments, Vinyls and Olefins. The Vinyls segment provides specialty and commodity polyvinyl chloride (PVC), vinyl chloride monomers, ethylene dichloride, chlorine, caustic soda, chlorinated derivative, and ethylene products. This segment also manufactures and sells PVC compounds and building products fabricated from PVC, including residential siding, trim and molding, pipe and fittings for various water, sewer and industrial applications, profiles for windows and doors, decking products, films for various inflatables, wall covering tapes, roofing applications, and composite roof tiles. The Olefins segment offers polyethylene, styrene monomers, and various ethylene co-products, as well as sells propylene, crude butadiene, pyrolysis gasoline, and hydrogen products. Westlake Chemical Corporation offers its products to a range of customers, including chemical processors, plastics fabricators, small construction contractors, municipalities, and supply warehouses in various consumer and industrial markets, such as flexible and rigid packaging, automotive products, coatings, water treatment, refrigerants, and residential and commercial construction, as well as other durable and non-durable goods. The company was founded in 1986 and is headquartered in Houston, Texas. Westlake Chemical Corporation is a subsidiary of TTWF LP.

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