We have recently added Darkpool prints and block trades to our alert stream. These are very large prints that signify a large block of stock has traded hands.
¶ How to Use
First, find the Alert Stream in the far-right hand module of the platform by clicking the bottom left icon. The alert stream is found in the same panel as the community chat.
You will notice on the Alert Stream panel that there are alerts fitting your filter criteria ordered by recency.
Next, click the green 'filter' button and check 'DARK POOL PRINTS/BLOCKS'.
You can find helpful information at the following:
- https://media2.mofo.com/documents/faqs-block-trade-reporting-requirements.pdf
- https://www.investopedia.com/terms/b/blocktrade.asp
¶ Dark Pool Key
What is a Dark Pool? Here is a good link to information on Dark Pools: https://www.investopedia.com/terms/d/dark-pool.asp
We alert when a large Block of (100k shares or $50M) and $5M of stock is traded. If that trade is reported on the ADF (Alternative Display Facility) we mark it as a Dark Trade.We do not report the opening and closing prints.
¶ Dark Block
General ADF reported trade
¶ Dark ISO
ADF reported trade with ISO (Intermarket Sweep Order) Designation
On ISO orders:
- AA – Above Ask
- BB – Below Bid
Helpful information can be found below:
https://en.wikipedia.org/wiki/Intermarket_sweep_order
¶ Dark AvgPrc
ADF reported trade where multiple orders are filled and reported as one
¶ Unusual Very Large Block
Block trades over 4M shares that meet minimum dollar value will be labeled Very Large, or a calculated combination of shares and dollar amount
¶ Unusual Dark Block Activity
Our system monitors average Dark Pool volume by stock, and if a particular stock has an unusually large amount of DP volume, we will alert
¶ SP1,SP*
For the tickers
- DIA
- IWM
- SPU
- QQQ
We alert when Dark Blocks meet criteria that suggest the trades occurred overnight but are just reported. We label these with SP and a number that counts the number throughout the day.
More Information on reporting can be found here:
https://www.finra.org/industry/trade-reporting-faq#404
¶ Dark Pool Relative Volume Profile
We have also recently added the dark pool relative volume profile! This proprietary indicator makes it easy to see the prices at which the dark pool and block trades have occurred. We collect and add the data each day to this profile and our database currently goes back to Jan 2020.