MetaCap

AdvanSix (ASIX) vs Westlake Chemical Partners (WLKP)

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

Summary

Westlake Chemical Partners (WLKP) has outperformed AdvanSix (ASIX) over the past year, gaining 1.8% versus a loss of 18.9%. Over five years, WLKP leads with a -16.2% price change compared with -62.3% for ASIX. Westlake Chemical Partners is the larger company by market cap ($754.6 million vs $450.9 million), about 1.7 times the size.

On valuation, AdvanSix trades at a lower forward P/E (7.0x vs 11.6x for Westlake Chemical Partners). Westlake Chemical Partners offers the higher dividend yield (8.81% vs 3.83%).

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

Relative performance

ASIX-18.85%WLKP+1.76%
+30%-2%-33%
Oct 8, 20251 yearOct 8, 2026
ASIX-62.23%WLKP-13.74%
+28%-22%-71%
Oct 4, 20215 yearsOct 5, 2026

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

Head-to-head

ASIX versus WLKP key metrics
MetricASIXWLKP
Share price$16.70$21.41
Market cap$450.92M$754.61M
1-day change+0.36%+0.14%
YTD return-3.47%+12.68%
1-year return-18.85%+1.76%
5-year return-62.28%-16.24%
P/E ratio (TTM)—13.05
Forward P/E7.0011.56
EPS (TTM)$-0.67$1.64
Dividend yield3.83%8.81%
Annual dividend$0.64$1.89
52-week high$26.73$23.88
52-week low$14.10$17.75
Distance from 52-week high-37.52%-10.34%
Analyst consensusnonenone
Avg. price target upside+19.76%+21.44%
Average volume273.41K30.02K
Shares outstanding27.00M35.25M
Employees1,410—
SectorIndustrialsIndustrials
IndustryMajor ChemicalsMajor Chemicals

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

  • WLKP has outperformed ASIX by 20.6 percentage points over the past year.
  • Westlake Chemical Partners offers a meaningfully higher dividend yield (8.81% vs 3.83%).

About AdvanSix

ASIX stock →

AdvanSix Inc., integrated chemistry company, engages in the manufacture and sale of polymer resins in the United States and internationally. The company offers Nylon 6, a polymer resin, which is a synthetic material used to produce fibers, filaments, engineered plastics, and films.

Industrials · Major Chemicals · 1,410 employees

About Westlake Chemical Partners

WLKP stock →

Westlake Chemical Partners LP acquires, develops, and operates ethylene production facilities and related assets in the United States. It's ethylene production facilities which primarily convert ethane into ethylene.

Industrials · Major Chemicals

ASIX vs WLKP FAQ

Which is bigger, AdvanSix or Westlake Chemical Partners?

Westlake Chemical Partners (WLKP) is larger, with a market capitalization of $754.61M compared with $450.92M for AdvanSix (ASIX).

Which stock has performed better over the past year, ASIX or WLKP?

WLKP returned +1.76% over the past 12 months, compared with -18.85% for ASIX (price return, excluding dividends). Past performance does not predict future results.

Which pays a higher dividend, AdvanSix or Westlake Chemical Partners?

Westlake Chemical Partners has the higher yield at 8.81%, compared with 3.83% for AdvanSix.

Are AdvanSix and Westlake Chemical Partners in the same industry?

Yes. Both are classified in the Major Chemicals industry within the Industrials sector.

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