QSGRESEARCH

U.S. EQUITIES / FLOWS / EVENTS

The mechanics
behind the
market.

Index rebalances. Corporate catalysts. The trading day ahead. Research from Quantitative Strategies Group, built for people who want to understand what moves markets.

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RESEARCH IN FOCUS01 / INDEX FLOWS

One stock.
Multiple index trades.

FLEXJune 18, 2026 rebalance
Gross flow$6.92bn
Net buy$389.5mm

When index trades offset, the headline tells only part of the story.

Historical QSG estimates · roundedExplore the example
Produced by a quantitative trading firmPublished on SubstackBased in New York

THE RESEARCH

Three ways to see
what matters.

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01EVENT-DRIVEN FLOWS

Index
rebalancing

Understand the buying and selling behind index changes, with estimated flows and the dates that matter.

Net & gross flowsLiquidity context
Explore index research
02CORPORATE CATALYSTS

Merger arb
& special sits

Put transaction terms, deal developments and upcoming catalysts in context with the QSG Deal Book.

Deal termsCatalyst calendars
Explore the Deal Book
03THE TRADING DAY

The daily
report

A morning starting point for economic releases, company events and market positioning.

Before the openMarket mechanics
Explore the daily report

FROM THE TRADING DESK

Research with a practitioner’s perspective.

QSG Research shares market research produced by Quantitative Strategies Group, a private quantitative trading firm based in New York. The publication brings that research to readers through Substack.

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