CLWT Market Structure
Euro Tech Holdings Company Limited (CLWT) operates in the Industrials sector, specifically the Industrial - Pollution & Treatment Controls industry, with a market capitalization near $8.6M, listed on NASDAQ, employing roughly 47 people, carrying a beta of 0.94 to the broader market. Euro Tech Holdings Company Limited primarily distributes water treatment equipment, laboratory instruments, analyzers, test kits and related supplies, and power generation equipment to commercial customers, and governmental agencies in Hong Kong and the People's Republic of China. Led by Y. L. Leung, public since 1997-03-14.
Market structure data reveals where a stock trades across exchanges, dark pools, and alternative trading systems. Understanding off-exchange activity helps identify institutional trading patterns and liquidity dynamics.
- Latest Week Ending
- 2026-04-27
- Weekly OTC Shares
- 13.3K
- Weekly OTC Trades
- 168
- 12-Week Total Shares
- 165.4K
- Avg Trade Size (12-Week)
- 155 shares
How Single-Name Off-Exchange Volume Affects Options
For single-name equities, persistent off-exchange volume concentrations can flag institutional positioning - large blocks arranged through ATS venues to avoid lit-market impact, or correlation-arbitrage flow from sector rotation. The flow doesn't directly move the lit-market price (it prints at the ATS) but it changes the inventory position of the institutional counterparty, which then drives subsequent lit-market flow. Compare the off-exchange volume series above with CLWT's gamma exposure and options volume history to see whether unusual dark-pool activity coincides with rebalancing in the options book.
Showing 12 weeks of off-exchange trading data for Euro Tech Holdings Company Limited.
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Frequently asked CLWT market structure questions
- What is the current CLWT off-exchange volume?
- For the week ending Apr 27, 2026, Euro Tech Holdings Company Limited (CLWT) recorded 13.3K shares across 168 trades (average trade size 79 shares). The 12-week cumulative total is 165.4K shares.
- What does CLWT off-exchange volume mean for traders?
- Off-exchange volume on a single-name equity reflects institutional block trades arranged through alternative trading systems (ATS) for liquidity rather than information reasons. Persistent ATS volume on a name can signal large institutional repositioning; the lit-market price impact lags the off-exchange print by hours to days as the institutional counterparty hedges or unwinds.
- How is CLWT market-structure data sourced?
- Weekly off-exchange volume figures come from FINRA's OTC Transparency reporting, which captures trades executed through FINRA-member off-exchange venues including ATSs and member firm internalization desks. FINRA publishes the data with a two-week lag (current-week-minus-two-weeks) for ATS-specific volume and weekly aggregate volume; the totals here aggregate all member firm reporting. Trades cleared via the listed-exchange auction are NOT included; the figure reflects only the off-exchange portion of total volume.