PRAX Market Structure

Praxis Precision Medicines, Inc. (PRAX) operates in the Healthcare sector, specifically the Biotechnology industry, with a market capitalization near $6.93B, listed on NASDAQ, employing roughly 116 people, carrying a beta of 2.75 to the broader market. Praxis Precision Medicines, Inc. Led by Marcio Silva De'Souza, public since 2020-10-16.

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
2026-05-25
Weekly OTC Shares
270.9K
Weekly OTC Trades
5.3K
12-Week Total Shares
3.7M
Avg Trade Size (12-Week)
48 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 PRAX'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 Praxis Precision Medicines, Inc..

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

Frequently asked PRAX market structure questions

What is the current PRAX off-exchange volume?
For the week ending May 25, 2026, Praxis Precision Medicines, Inc. (PRAX) recorded 270.9K shares across 5.3K trades (average trade size 51 shares). The 12-week cumulative total is 3.7M shares.
What does PRAX 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 PRAX 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.