Research contextSee what supports this page, how current it is, and where comparable or historical context is available.
- Research date
- Sep 22, 2026Use the dated article and cited sources for the definition, examples, and stated limitations.
- Operating-model context
- 12 connected conceptsPart of the reviewed Online Brokerage Operating Model; issuer definitions remain distinct where disclosed.
- Company examples
- 2 reviewed companiesRelationships reflect supported examples, not a normalized cross-company KPI ranking.
Brokerage client cash balances measure customer cash or credit balances held within or associated with a brokerage platform.
Schwab describes bank sweep deposits and payables to brokerage clients as important client cash funding sources. Interactive Brokers reports customer credit balances that contribute to net interest income.
Why it matters
Client cash can fund margin lending, securities portfolios, segregated balances, or external deposit programs depending on the broker's structure.
It can therefore affect:
- net interest revenue;
- balance-sheet funding;
- liquidity;
- margin-lending capacity; and
- sensitivity to customer cash reallocation.
Investor caution
Client cash is highly definition-sensitive.
Some balances remain on the broker's balance sheet, some are swept to affiliated or third-party banks, and some move into money market funds or other higher-yielding products.
Sources:
Client cash balances describe funding and customer allocation, not a standardized deposit measure.
Part of the Online Brokerage Operating Model
Connect customer and asset growth, trading engagement, margin and cash balances, and recurring or per-customer monetization to understand online brokerage economics.
How the model fits together
- Customer scale and asset gathering: Account count shows customer-base scale, client assets show the economic base on platform, and net new assets or net deposits show customer funding flows under issuer-specific methodologies. Market appreciation can increase client assets without new customer funding, so asset growth should not be read as pure organic gathering.
- Trading engagement and transaction monetization: Daily average revenue trades measure trading flow, trades per account normalize activity by the eligible customer base, and commission per order measures one form of per-trade monetization. These measures are not fully comparable across brokers because order-counting rules and monetization channels differ.
- Cash, lending, and customer monetization: Client cash balances and cash sweep balances describe different customer-liquidity channels, while margin loans show collateralized customer borrowing. ARPU and paid subscription customers add customer-level and recurring monetization context. None of these measures alone captures total brokerage profitability, and issuer scopes remain distinct.
See It in Company Research
These companies are examples of how the concept is reported or discussed in public filings. Definitions can differ by issuer; these links open company research rather than a normalized metric comparison.
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