IWM Market Structure

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
2026-04-20
Weekly OTC Shares
25.1M
Weekly OTC Trades
103.4K
12-Week Total Shares
354.9M

Showing 12 weeks of off-exchange trading data for iShares Russell 2000 ETF.

Learn how market structure is reported and how to read the data →