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Darkpool

Dark pools are private venues where institutions execute large stock trades away from the public order book. Trade Echo streams those prints live and scores them - so instead of a wall of rows, you see which prints actually matter and at what price levels institutions keep transacting.

Darkpool activity table

What a print tells you​

Each row is one dark pool trade: ticker, size, price, notional amount, and time. Individually a print is just a data point. In aggregate, repeated size at the same price marks levels institutions care about - which is what the Snapshot view is built around.

EchoScore​

Every print gets an EchoScore (0-1) - print significance derived from notional size, relative volume, and share of the day's volume. The score renders as a gradient bar: amber for routine prints sweeping to green for standouts.

Use the min-score quick filter (0.50+ / 0.70+ / 0.90+) to cut the feed down to prints worth a look. A 0.90+ print on a mid-cap name is rare - that is the tape talking.

Badges​

Prints can carry up to four badges:

BadgeMeaning
BlockNotional of $100M+ in a single print
UnusualPrint size is 3x or more the ticker's 30-day average volume
@MagnetThe print sits at a price level that keeps attracting repeated dark pool activity
AccumThe ticker is showing an ongoing accumulation pattern

Block and Unusual are derived from the row itself; @Magnet and Accum come from Trade Echo's accumulation engine watching activity over time. You can filter the feed by badge.

Views and quick filters​

The view dropdown switches between All prints, $50M+, $100M+, and Snapshot.

On All Prints, quick filters narrow by premium ($1M+ / $10M+ / $50M+ / $100M+) and size (10K+ / 50K+ / 100K+ / 500K+) alongside the EchoScore filter.

Per-ticker rollup​

Focus a ticker and a rollup strip appears: 30-day average and last-day dark pool premium (from nightly rollups) plus today's active level and spot price. It answers "is today's activity normal for this name?" in one glance.

Snapshot view​

Snapshot turns prints into levels:

  • Levels rail - the price levels with the most dark pool premium, ranked; sort by premium, print count, or cluster size
  • Premium profile - how premium distributes across price, so you can see where the volume actually sits relative to spot
  • Chart panel - price with dark pool levels overlaid
  • Window and filter chips - change the lookback window and minimum premium ($50M+ / $100M+ / $300M+)

Darkpool Snapshot view with levels rail and premium profile

Trading with dark pool levels​

  1. Find a name with Accum or repeated @Magnet prints
  2. Open Snapshot and note the top 2-3 levels near spot
  3. Treat heavy levels as support/resistance zones - institutions defended them before
  4. Confirm with Dealer Edge (do gamma walls agree?) and OptionFlow (is options money leaning the same way?)

Dark pool prints are not directional by themselves - a print records a trade, not whether the initiator was buying or selling. Levels plus confirmation is the edge.

Web and mobile​

Darkpool is available on web and mobile. The Snapshot levels view and per-ticker rollup strip described above are the web experience; mobile carries the live prints feed.

Next Steps​