SWStonkWhisper

IBO Dark Pool Activity

ATS off-exchange volume intelligence · Week of 2026-07-06

DP Shares
2.1K
Notional Value
$986.236
WoW Change
-83.0%

IBO dark pool volume for the week of 2026-07-06: 2.1K shares traded across 9 ATS venues with a total notional value of $986.236. Volume is down 83.0% week-over-week. Primary routing venues include , IBKR ATS, INTELLIGENT CROSS LLC.

Dark pool activity in IBO reflects institutional order flow executing on Alternative Trading Systems (ATS) registered with the SEC — private venues where large-block trades are matched away from public exchanges to minimize price impact. StonkWhisper ingests FINRA-published ATS volume data to track these off-exchange flows. Sustained elevation in dark pool percentage — particularly when concentrated at specific venues — can indicate institutional accumulation or distribution ahead of significant price moves. The interactive charts below show 12-week historical volume and complete venue breakdown for IBO.

DP Shares
2.1K
Notional
$986.236
DP % of Vol
WoW Change
-83.0%
Venues
9
Weekly Dark Pool Volume — 12 Weeks

Weekly History

WeekSharesDP %WoW
2026-07-062.1K-83.0%
2026-06-2912.5K+76.6%
2026-06-227.1K-63.5%
2026-06-1519.4K-49.5%
2026-06-0838.5K+146.8%
2026-06-0115.6K+159.2%
2026-05-256.0K-38.6%
2026-05-189.8K-60.6%
2026-05-1124.9K-25.5%
2026-05-0433.4K+33.7%
2026-04-2725.0K
2026-03-23218.8K+80.5%

ATS Venue Breakdown (latest week)

2.1K
50 trades
IATS
IBKR ATS
1.5K
4 trades
INCR
INTELLIGENT CROSS LLC
456
27 trades
UBSA
UBS ATS
100
1 trades
CGXS
ONECHRONOS
22
7 trades
SGMT
SIGMA X2
15
4 trades
MLIX
INSTINCT X
9
4 trades
KCGM
VIRTU MATCHIT ATS
6
1 trades
BLUE
BOATS
3
1 trades
BOSS
BRUCE MARKETS, LLC.
1
1 trades