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IBKR vs BX — Stock Comparison

Side-by-side on AltIndex’s AI Score and alternative-data signals — Reddit mentions, web traffic, hiring, sentiment — that move before price catches up.

Updated October 11, 2026

IBKR
Interactive Brokers
68
Price
$87.87
12mo change
+27.6%
Market cap
$149.71B
Industry · Investment Management
BX
Blackstone
62
Price
$114.29
12mo change
-27.7%
Market cap
$136.61B
Industry · Investment Management

Verdict

IBKR and BX are both leaders in Investment Management. Over the past 12 months, IBKR has gained +27.6% while BX has lost 27.7% in market cap. AltIndex’s AI Score gives IBKR the edge (68 vs 62) based on the 8 alternative-data signals below — signals that often move before price.

Price change (12 months)

Cumulative percentage change from 12 months ago, normalized to 0% at the start of the window.

Split read on price change (12 months): IBKR at +27.6%, BX at -27.7%.

Reddit mentions

Monthly average of daily mention volume across the most popular stock subreddits. Retail attention surges often precede price moves.

Neither held reddit mentions: BX -31.6%, IBKR -41.7%.

Sentiment

Monthly average of the Stocktwits bull/bear sentiment ratio. Captures retail-trader mood shifts smoothed over each month.

IBKR picked up +7.0% in sentiment as BX went the other way at -26.9%.

Web traffic

Estimated monthly visits to each company’s website. A forward-looking proxy for consumer demand.

IBKR grew +22.2% in web traffic while BX moved -11.4% — a divergent signal.

Job postings

Monthly average of open job postings on LinkedIn. Hiring shifts before management acknowledges demand on earnings calls.

IBKR outpaced BX in job postings (+25.5% vs +8.3%).

Headcount

Monthly average LinkedIn employee count. A slower-moving confirmation of corporate health.

Both ticked up in headcount: IBKR at +14.4%, BX at +9.9%.

Instagram followers

Monthly average Instagram follower count. A brand-strength proxy for consumer-facing companies.

BX posted +43.6% in instagram followers over the window — IBKR trailed at +23.2%.

Employee business outlook

Monthly average business-outlook score. Employees feel demand shifts before management acknowledges them.

BX grew +11.0% in employee business outlook while IBKR moved -16.9% — a divergent signal.

Want more?

See 5 years of IBKR vs BX signals & get impactful real-time alerts

The charts above cover the last 12 months. Sign up to see 5+ years of IBKR vs BX alt-data history — and get real-time stock alerts the moment Reddit chatter spikes, web traffic breaks out, hiring accelerates or sentiment flips on either ticker. Be the first to know when one of these signals moves — before the price catches up.

FAQ: IBKR vs BX stock comparison

AltIndex’s AI Score gives IBKR a 68 vs BX’s 62. That score blends 10,000+ alternative-data signals — Reddit mentions, web traffic, hiring activity, employee outlook, sentiment — with traditional financials. Higher isn’t a guarantee but it does flag which name our model sees as the stronger setup today.

AltIndex isn’t financial advice; the answer depends on your horizon, sector view and risk tolerance. The comparison above shows which name scores higher on alt-data signals; for long-term positions also weigh fundamentals, valuation, sector rotation and portfolio concentration. Many investors track both via our alert system.

Look at the price-change chart above for the 12-month track record and the Reddit mentions / web traffic charts as forward-looking demand proxies. Stocks with rising attention and traffic ahead of price typically have stronger growth runways. AltIndex’s AI Score weighs these forward signals, so the higher score (IBKR at 68 vs BX at 62) is our model’s composite read on near-term growth setup.

Dividend strength is a fundamentals-side question rather than an alt-data signal. The signals above (Reddit mentions, hiring, web traffic) focus on demand and momentum. For dividend yield, payout ratio and dividend growth, check each name’s individual page: IBKR profile and BX profile.

Retirement holdings usually favor stability, dividends and lower drawdown risk over momentum. Neither AI Score is a substitute for that thesis — treat the comparison above as one input among many. Consider sector concentration (you may not want two of the same), correlation with the rest of your portfolio, and dividend track records on each ticker’s profile page.

Reddit mentions (retail attention), web traffic (consumer demand), hiring activity (corporate confidence), employee business outlook (Glassdoor), Stocktwits sentiment, social-media follower growth. Each moves before traditional financials confirm a trend — which is why this comparison adds context price-only tools miss.

Daily. AI Score, alt-data signals, and price marks all refresh each morning so the comparison reflects yesterday’s close + the latest disclosed alt-data scrapes.

Stocks similar to IBKR and stocks similar to BX each list the closest peers by industry and market cap, with AI Scores and one-click head-to-head comparisons for every peer.