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Undercurrent · Money-flow snapshot
BSX — The money right now
What the institutional money is doing on BSX right now — dark pool, options positioning, and where the news and the money disagree. Free.
The money right now
Price
$50
Dark-pool volume
40%
Max pain
$50
Call wall
$53
Put floor
$50
Put/Call ratio
2.11
Squeeze pressure
35
News vs the money
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Get Undercurrent — the news behind the money →Or go deeper with SIGNUM HQ — the pro options terminal →New to this? Why'd It Move? turns today's move into a 60-second lesson →What is a “divergence”?
A divergence is when the news narrative and the institutional money flow point in opposite directions — a bearish headline while large call premium is bought, or heavy dark-pool selling under a bullish story. It signals the crowd and the desks may disagree.
How to read these numbers
Dark-pool volume — The share of trading done off-exchange, where institutions move size quietly. Well above ~40% means big players are active.
Max pain — The price where the most options expire worthless — positioning often gravitates toward it near expiry.
Call wall / Put floor — Strikes with the heaviest call/put open interest — they often act as short-term resistance and support.
Put/Call ratio — Below ~0.7 leans bullish (more calls); above ~1 leans defensive (more puts).
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