What fees apply when trading US stocks, ETFs, and options?
When you trade US-listed stocks, ETFs, and options, the following fees may apply. For crypto trading fees, see the section below.
1. Regulatory & Exchange Fees
These are charged by regulators and exchanges and passed directly to investors:
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SEC Transaction Fee – applies to sell transactions.
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FINRA Trading Activity Fee (TAF) – applies to sell transactions, charged on a per-share basis with a capped maximum.
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Exchange Fees – certain exchanges may charge fees or provide rebates depending on how your order interacts with liquidity.
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OCC Regulatory Fee – applies to options contracts only. Charged by the Options Clearing Corporation (OCC) on a per-contract basis and passed directly to investors.
2. Trading Fees
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Stocks & ETFs – $0 commission on all trades.
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Equity Options (Stock Options) – $0 commission, $0 contract fee per leg. Longbridge does not charge a contract fee on equity options.
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Index Options (SPX, NDX, and others) – $0 commission, $0.50 per contract. This fee applies to broad-based index options such as SPX and NDX.
3. Other Possible Costs
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Margin Interest – applies when trading on borrowed funds. Rates vary and accrue daily.
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Corporate Action Processing Fees – may apply for certain voluntary corporate actions (e.g., tender offers).
What fees apply when trading crypto?
When you buy or sell cryptocurrency on Longbridge, the following fees apply:
1. Trading Fee
- Commission – 0.75% per trade, applied to both buy and sell transactions. The fee is calculated on the notional amount of each trade. For example, a $1,000 crypto purchase incurs a $7.50 trading fee.
2. Other Notes
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Crypto transactions are not subject to SEC or FINRA regulatory fees.
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Margin trading and short selling are not currently supported for crypto assets.
Why does my trade show a fee?
Even though commissions may not apply, trades can still reflect small regulatory or exchange fees. These charges are mandated by the SEC, FINRA, and exchanges and are not set by Longbridge.

