IBKR

-4.1%🟢 Fundamentally supported

Interactive Brokers Group, Inc. Class A Common Stock · Financial Services

$82.51Vol 7.28M · 1.9× normalMkt cap −$1.59BMarket closed — 2026-10-16 session

What happened

Move

-4.1%

Price

$82.51

Volume

7.28M

1.9× normal

Market cap

$37.38B

−$1.59B today

Why it moved

Earnings releasemedium confidence

Interactive Brokers (IBKR) Q3 2026 Earnings Call Transcript — finnhub-news
IBKR Q3 Earnings Match Estimates on Higher Revenues, Dividend Hiked — finnhub-news

Possible catalyst: earnings release, 4.1pp below its sector, on 1.9× normal volume.

Verdict — was the move justified?

🟢 Fundamentally supported

Earnings release — direction and rough magnitude are consistent with the identified fundamental catalyst.

How unusual is this move

σ score

2.1σ

vs own 20d volatility

Percentile

94th

of 1278 daily moves

Avg daily move

±1.6%

own 5y average

vs sector

-4.1%

beyond sector median

Today’s move is among the largest 6% of IBKR’s daily moves over the last 5 years — while the sector moved +0.0% and the market -0.3%.

What happened after similar moves

96 similar down moves in IBKR’s 5-year history:

After 5 days

+1.0%

62% higher

After 20 days

+4.3%

71% higher

Median of same-direction moves within ±35% magnitude band. Past patterns don’t predict outcomes — context, not signal.

Fundamental context

V 62G 87P 85H 24Q 77

Insider activity (90d): net buying $6.7K

Valuation context

P/E (TTM)

33.3

5y median 24.5

P/E percentile

77%

vs own 5y history

FCF yield

0.4%

Trading richer than 77% of its own historical valuation range.

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