Why is $IBKR stock up today?

Interactive Brokers Group, Inc. Class A Common Stock · SECURITY BROKERS, DEALERS & FLOTATION COMPANIES

Why is $IBKR up today?

The likely driver

Interactive Brokers Group, Inc.: Q2 FY2026 results, three months to Jun 30, 2026

SEC filing · Aug 6

The numbers behind the move

Short interest

2.3% of float

Days to cover

2.7d

Float

453.1M · High

Float rotation

0.0x

Dilution

Heavy

Insider buying

5 open-market

IBKR: active share dilution on file, 5 open-market insider buys.

Price

$93.75

Move today

+3.4%

Volume vs avg

0.0x

Scanner alerts today

Flagged in 30 days

218

Market cap

$41.1B

Prev close

$90.69

Avg volume

4.3M

Today’s scanner timeline

11:01 AMUnusual volume (RVOL) alert
10:29 AMBig % mover alert

Unusual-volume alerts often fire before the news is widely reported. This is when our scanner first flagged IBKR today.

Full $IBKR page →Live chart Trending stocks

Other stocks moving today

$ZTG +50.8%$TNMG +43.9%$SVRN +43.2%$PRPL +34.3%$AMBR +34.0%$DAIC -33.0%$USDEW +32.7%$USDE +32.2%

Each opens that stock’s own why-is-it-moving page.

Move and volume are based on the latest market data and refresh live on this page. Scanner alerts are our own real-time unusual-volume signals. This is research, not investment advice.