Westlake Chemical Partners LP (WLKP) Stock Price History
Historical prices from 2014 to 2026
Loading 10-year price history...
WLKP Historical Performance
Short-Term Returns
WLKP Stock Price Trajectory (2014–2026)
As of May 8, 2026, Westlake Chemical Partners LP (WLKP) trades at $23.20, representing a +0.6% return over the past year. The stock has delivered a +20.4% total return over five years (-3.1% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $34.31 on September 4, 2014. From this peak, WLKP has corrected -32.4%, currently trading 10% above its 200-day moving average, indicating continued institutional support.
When compared to Basic Materials sector peers MPLX (+14.2% 1Y), HESM (+3.0% 1Y), and CAPL (-6.6% 1Y), WLKP has underperformed the peer group average. Compare WLKP vs MPLX →
WLKP Historical Price Data (2025–2026)
Showing 30 of 2,962 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 23.53 | 23.53 | 23.20 | 23.20 | 36K | -1.07% |
| 2026-05-06 | 22.55 | 23.45 | 22.55 | 23.45 | 69K | +3.90% |
| 2026-05-05 | 22.77 | 23.60 | 22.52 | 22.57 | 60K | -0.44% |
| 2026-05-04 | 23.00 | 23.27 | 22.67 | 22.67 | 33K | -1.39% |
| 2026-05-01 | 23.08 | 23.49 | 22.80 | 22.99 | 19K | -0.26% |
| 2026-04-30 | 22.95 | 23.32 | 22.55 | 23.05 | 37K | +0.83% |
| 2026-04-29 | 22.90 | 22.95 | 22.50 | 22.86 | 13K | +0.18% |
| 2026-04-28 | 22.68 | 22.82 | 22.68 | 22.82 | 25K | +1.29% |
| 2026-04-27 | 22.53 | 22.70 | 22.50 | 22.53 | 22K | -0.13% |
| 2026-04-24 | 22.27 | 22.56 | 22.25 | 22.56 | 18K | +0.45% |
| 2026-04-23 | 22.38 | 22.50 | 22.20 | 22.46 | 20K | 0.00% |
| 2026-04-22 | 22.47 | 22.52 | 22.25 | 22.46 | 20K | +0.58% |
| 2026-04-21 | 22.25 | 22.50 | 22.24 | 22.33 | 8K | -0.04% |
| 2026-04-20 | 22.39 | 22.93 | 22.17 | 22.34 | 24K | -0.22% |
| 2026-04-17 | 22.34 | 22.50 | 22.20 | 22.39 | 25K | +0.27% |
| 2026-04-16 | 22.24 | 22.60 | 22.17 | 22.33 | 22K | +0.13% |
| 2026-04-15 | 22.46 | 22.74 | 22.26 | 22.30 | 10K | -1.33% |
| 2026-04-14 | 22.15 | 22.65 | 22.15 | 22.60 | 7K | -0.22% |
| 2026-04-13 | 22.12 | 22.77 | 22.12 | 22.65 | 29K | -0.04% |
| 2026-04-10 | 22.61 | 22.84 | 22.52 | 22.66 | 16K | -0.09% |
| 2026-04-09 | 22.79 | 22.85 | 22.50 | 22.68 | 29K | +0.49% |
| 2026-04-08 | 22.08 | 22.74 | 22.08 | 22.57 | 36K | +0.76% |
| 2026-04-07 | 22.00 | 22.72 | 22.00 | 22.40 | 33K | +1.36% |
| 2026-04-06 | 22.07 | 22.40 | 21.86 | 22.10 | 32K | -0.14% |
| 2026-04-02 | 22.23 | 22.39 | 22.02 | 22.13 | 6K | -1.16% |
| 2026-04-01 | 22.18 | 22.50 | 22.01 | 22.39 | 24K | +1.36% |
| 2026-03-31 | 21.86 | 22.42 | 21.68 | 22.09 | 34K | +1.61% |
| 2026-03-30 | 21.68 | 22.23 | 21.51 | 21.74 | 61K | +0.14% |
| 2026-03-27 | 22.23 | 22.36 | 21.71 | 21.71 | 49K | -2.12% |
| 2026-03-26 | 22.21 | 22.55 | 22.15 | 22.18 | 30K | -0.98% |
See WLKP's True Return
Price is only half the story. See total return with reinvested dividends.
Launch CalculatorIs WLKP Undervalued?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationCompare WLKP vs LIN
Side-by-side business, growth, and profitability comparison vs Linde plc.
Start ComparisonWLKP — Frequently Asked Questions
Quick answers to the most common questions about buying WLKP stock.
How has WLKP stock performed recently?
WLKP returned +0.6% over the past year, beating its 5-year annualized CAGR of -3.1%. The stock trades above its 200-day moving average, confirming the uptrend.
What is WLKP's all-time high price?
Westlake Chemical Partners LP reached $34.31 on 2014-09-04. The 52-week high is $23.60. Current 1-year return of +0.6% places the stock closer to historical peaks.
Where can I download WLKP historical price data?
This page provides WLKP daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2014-2026, downloadable in CSV format.