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Interactive Brokers Group, Inc. logo

Interactive Brokers Group, Inc. (IBKR) stock

IBKRNasdaqSecurity Brokers, Dealers & Flotation CompaniesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026Score 9/3061% above fair value
$76.90−4.87 (-5.96%)

Close on Oct 30, 2026Market cap $34.84BP/E 30.8Yield –

Price history

Interactive Brokers share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$76.90
-5.96% on the day
52-week range
$58.95 – $98.75
-22.1% from the high
Change over 52 weeks
+12.2%
From $68.51 on Oct 30, 2025
Average volume
4.28M
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$78.89$78.90$75.42$76.90-5.96%5,738,136
Oct 29, 2026$83.53$83.78$80.96$81.77-2.12%3,589,742
Oct 28, 2026$82.60$83.70$81.68$83.54+1.57%4,624,912
Oct 27, 2026$81.60$82.93$81.40$82.25+2.06%4,161,821
Oct 26, 2026$80.35$81.92$79.30$80.59+0.39%5,151,611
Oct 23, 2026$81.56$82.14$80.14$80.28-2.43%5,766,565
Oct 22, 2026$83.24$85.08$81.71$82.28-3.57%4,157,628
Oct 21, 2026$84.43$86.18$83.30$85.33+2.92%4,607,368
Oct 20, 2026$80.50$83.28$80.50$82.91+1.92%3,922,182
Oct 19, 2026$82.83$83.36$80.82$81.35-1.62%4,679,766
Oct 16, 2026$86.26$86.95$82.25$82.69-3.88%7,276,643
Oct 15, 2026$82.75$86.22$81.04$86.03+2.25%5,847,752
Oct 14, 2026$86.02$86.84$83.62$84.14-3.83%4,562,558
Oct 13, 2026$87.70$88.02$86.09$87.49-0.46%2,889,275
Oct 12, 2026$88.22$89.11$87.72$87.89+0.02%3,017,458
Oct 9, 2026$87.05$88.28$86.47$87.87+1.62%2,425,007
Oct 8, 2026$87.11$87.79$86.28$86.47-1.45%2,998,127
Oct 7, 2026$88.70$89.11$85.97$87.74-3.14%3,651,322
Oct 6, 2026$89.38$91.85$89.06$90.58+1.72%3,416,521
Oct 5, 2026$88.87$89.56$88.09$89.05+0.85%2,935,545
Oct 2, 2026$86.55$88.92$86.55$88.30+2.90%4,871,627
Oct 1, 2026$85.42$87.25$83.60$85.81+0.46%5,718,164
Sep 30, 2026$86.63$86.93$85.39$85.42-0.88%4,050,503
Sep 29, 2026$87.86$87.86$85.89$86.18-1.03%2,832,962
Sep 28, 2026$87.80$88.50$86.81$87.08-2.42%3,831,852
Sep 25, 2026$90.00$90.57$88.53$89.24-0.65%2,894,069
Sep 24, 2026$90.53$91.19$89.10$89.82-1.90%3,978,211
Sep 23, 2026$91.36$93.53$90.92$91.56-0.35%3,961,067
Sep 22, 2026$92.85$93.20$89.71$91.88-1.43%4,061,917
Sep 21, 2026$92.50$93.94$91.58$93.21+2.78%3,474,941

Seasonality

IBKR return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average4.7%6.1%-5.6%1.8%3.4%-0.1%3.6%3.6%0.3%2.9%6.2%0.6%
Months up8 of 106 of 102 of 106 of 106 of 105 of 106 of 108 of 105 of 105 of 107 of 94 of 9
202616.4%-4.8%-5.8%18.5%9.4%0.2%1.1%10.6%-12.1%-10.0%
202523.1%-5.9%-19.0%3.8%22.2%5.7%18.3%-4.9%10.6%2.3%-7.6%-1.0%
20247.1%22.6%2.8%3.1%9.4%-2.5%-2.7%8.3%8.1%9.5%25.4%-7.5%
202310.5%7.8%-4.1%-5.7%-0.7%7.6%5.1%4.4%-5.0%-7.5%-2.7%6.5%
2022-14.1%-2.8%-0.4%-9.6%3.5%-10.6%6.7%5.1%3.8%25.4%0.3%-9.9%
20210.4%18.5%0.9%-2.1%-5.8%-2.3%-5.9%4.7%-3.6%13.7%4.3%7.6%
20200.8%8.9%-15.5%-5.0%3.5%-1.4%18.7%7.1%-8.8%-1.6%11.1%15.5%
2019-7.8%9.8%-6.1%4.5%-6.2%6.7%-5.4%-7.7%13.9%-11.5%2.0%-3.7%
20188.1%8.6%-3.1%10.4%-1.8%-11.5%-7.1%4.0%-11.0%-10.7%17.3%-5.5%
20172.3%-1.4%-5.4%0.3%0.4%7.3%7.0%4.9%7.4%19.9%5.8%3.8%