WLKP

Westlake Chemical Partners LP

Company with tickers: WLKP

CIK

1604665

CUSIP

960417103

Shares Outstanding

35,245,879

13F Activity (30d)

41 filings 39 filers

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-05-04	37,270	106,650	143,920	65.1%
2026-04-27	8,822	56,086	64,908	73.5%
2026-04-20	12,295	43,437	55,732	68.8%
2026-04-13	10,583	52,195	62,778	71.4%
2026-04-06	21,549	61,331	82,880	62.8%
2026-03-30	34,058	39,615	73,673	61.3%
2026-03-23	17,913	56,735	74,648	44.9%
2026-03-16	33,732	43,841	77,573	57.1%
2026-03-09	17,300	68,162	85,462	48.8%
2026-03-02	18,188	73,798	91,986	43.9%
2026-02-23	40,546	70,279	110,825	31.4%
2026-02-16	13,907	78,344	92,251	52.0%
2026-02-09	22,472	83,187	105,659	42.2%
2026-02-02	28,704	160,489	189,193	46.6%
2026-01-26	22,881	102,268	125,149	51.7%
2026-01-19	10,358	67,008	77,366	58.1%
2026-01-12	38,042	94,530	132,572	53.5%
2026-01-05	35,654	86,164	121,818	52.4%
2025-12-29	21,234	163,268	184,502	55.1%
2025-12-22	30,952	74,845	105,797	38.6%
2025-12-15	45,256	129,872	175,128	50.6%

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