Opening — Who this guide is for and what it solves
You are an algorithmic trader, developer, or self-directed investor using Alpaca or considering it. Read this if you build strategies, run bots, or trade manually via API. This guide breaks down every fee you may encounter on Alpaca. It shows exact numbers, worked examples, and simple steps to cut costs.
Expect detail on trading commissions, regulatory pass-throughs, crypto fees, margin and cash interest, transfer and wire charges, partner/platform caveats, and quick calculators. See how much a trade really costs after SEC and FINRA fees. Learn when a $0 commission is actually $0, and when implicit costs add up. Get pragmatic actions you can take in minutes to save $10, $100, or $1,000 per year.
Use this as a checklist. Check your account type, routing, and transfer method. Test a few representative trades. Compare fees to your expected volumes. Apply the worked example to estimate yearly impact.
Quick answer / TL;DR — Key takeaways up front
- Alpaca equities via direct API: 0% commission per trade (no commission).
- Crypto trades: 0.25% fee on trade value; expect additional market spreads.
- Margin and borrowing: initial margin requirement 50% for marginable securities, 100% for non-marginable; sample margin rate 6.25% APR.
- Account/transfer fees: outbound ACATS $25, DWAC outgoing $150 per security, DRS outgoing $100 per security, domestic wire $25, international wire $50; ACH typically free.
- Regulatory fees (SEC/FINRA/CAT): charged on sell orders and passed through; small per-trade amounts, rounded to $0.01.
Fee model overview and revenue sources
Alpaca lists 0% for self-directed U.S. equity commissions. That is a concrete number: 0%. Still, the broker earns in other ways. Primary revenue channels include payment for order flow, interest on idle cash, and margin lending.
- Payment for order flow: brokers route orders to market makers and receive routing rebates or payments.
- Interest on uninvested cash: example rate shown is 3.3% on USD cash.
- Margin and borrowing: example margin lending interest rate is 6.25% APR.
- Other sources: clearing and pass-through fees, partner fee structures.
Show quick math to see consequences.
– Keep $10,000 uninvested at 3.3% = $330 per year credited to you before tax.
– Borrow $1,000 on margin at 6.25% = $62.50 per year in interest cost.
– If you borrow $5,000 at 6.25% = $312.50 annual interest.
Practical points:
– Trading can appear free at 0% commission.
– Regulatory fees and spreads still apply.
– Partners can change the commission terms for your account.
– Check account type: self-directed API cash accounts get 0% by default.
Watch out for: partners and platforms that add per-trade fees. Confirm your account is a direct Alpaca self-directed account if you expect 0% trades.
Trading fees and regulatory pass‑throughs
Alpaca generally charges no commission on U.S. equities for qualifying direct accounts: 0% per trade. Regulatory fees still apply. These are pass‑through charges collected by agencies.
Regulatory fee types and basics:
– SEC fee: charged on sales based on sale principal. Rounded up to the nearest $0.01.
– FINRA Trading Activity Fee (TAF): charged per share on sales; rounded up to the nearest $0.01 and capped.
– CAT fee: charged per trade; applied to purchases and sales and deducted from buying power or proceeds.
Examples with numbers:
– Sell $5,000 of stock. SEC fee might be a few cents (rounded to $0.01). TAF adds a per-share amount; for 200 shares it could be several cents to a dollar depending on share-based rate and cap. CAT adds another per-trade charge of a few cents.
– Frequent small sells magnify impact. Sell 100 times with a $0.01 rounding each time = $1.00 lost to rounding alone.
How fees are applied:
– REG and TAF: deducted from sales proceeds only.
– CAT: deducted from buying power on buys and from proceeds on sells.
– Fee aggregation: Alpaca aggregates fees daily and rounds totals up to $0.01.
Practical bullets:
– Count regulatory fees per sell, not per buy in many cases.
– Include a per-trade regulatory cost when backtesting HFT or frequent-trade strategies.
– Expect rounding of $0.01 to be applied after aggregation.
– Regulatory totals are small per trade but add up if you execute thousands of trades.
Watch out for: trading very small amounts. Selling a $1 position repeatedly can lose more to regulatory rounding than to commission.
Non-trading account fees and transfer charges
Alpaca’s published fee schedule lists explicit non-trading charges. Plan transfers carefully to avoid $100–$150 one-time costs.
Common outbound transfer fees:
– ACATS outbound full or partial: $25 per transfer.
– DWAC outgoing: $150 per security.
– DRS outgoing: $100 per security.
– DTC outgoing: example $5 per security (check caps and per-security rules).
Deposit and withdrawal specifics:
– ACH deposits and withdrawals: typically $0 per transaction.
– Domestic wire withdrawal: $25 per transaction.
– International wire withdrawal: $50 per transaction.
– ACH return (rejected ACH): $25 per transaction.
– ADR pass‑through: $0.01 to $0.03 per share on certain foreign ADRs.
How fees are charged and shown:
– Alpaca aggregates fees daily per account.
– Each fee type totals are rounded up to the nearest $0.01.
– Fees are withheld from account balance when applicable.
Use case scenarios:
– Move entire account via ACATS outbound = $25.
– Move a single security via DWAC = $150 per security. Moving 3 securities by DWAC = $450.
– Transfer 1,000 shares requiring DTC at $5 per security would show large per-security costs; verify whether the $5 applies per position or per share.
Practical bullets:
– Batch transfers to save money: move many securities in one ACATS where possible.
– Use ACATS for full-account moves when you want to keep costs low: $25 vs $150 per security.
– Use ACH for withdrawals to avoid $25 or $50 wire costs.
Watch out for: using DWAC or DRS for single securities often costs more than a full ACATS transfer.
Margin, borrowing rules, and cash interest mechanics
Understand the leverage rules, interest mechanics, and sweep options before borrowing.
Margin basics:
– Initial margin requirement: 50% for marginable securities (Regulation T).
– Non-marginable securities require 100% initial funding.
– Maintenance margin varies by security and position size; Alpaca enforces intraday and overnight requirements.
Margin interest and example rates:
– Sample margin lending interest rate: 6.25% APR.
– Borrow $1,000 at 6.25% = $62.50 yearly interest.
– Borrow $5,000 at 6.25% = $312.50 yearly interest.
– Interest accrues daily and posts to the account regularly.
Cash sweep and idle cash interest:
– Alpaca may credit interest on uninvested USD cash; example rate 3.3%.
– Idle $2,000 at 3.3% = $66 per year credited.
– Idle $10,000 at 3.3% = $330 per year credited.
Net-cost examples:
– Keep $2,000 idle and borrow $2,000 on margin at 6.25%: you pay $125 interest and receive $66 interest = net cost $59 annually.
– Borrowing while holding idle cash rarely makes sense if margin rate exceeds cash credit rate by several percentage points.
Operational bullets:
– Check your specific account margin rate; sample shown is 6.25% but yours may differ.
– Monitor maintenance margin to avoid forced liquidation.
– Interest accrues daily. Estimate monthly by dividing APR by 365 and multiplying by days outstanding.
Watch out for: initial 50% does not remove intraday risk. Price drops can trigger margin calls and liquidations quickly.
Crypto and fractional shares — fees and limits
Alpaca supports crypto trading and fractional equities. Fees differ by asset type.
Crypto fees:
– Crypto trading fee: 0.25% of trade value.
– Example: buy $100 of crypto → fee = $0.25.
– Buy $10,000 of crypto → fee = $25.
Spread and liquidity:
– Expect market spread; spread adds an implicit cost beyond 0.25%.
– Low-liquidity assets often show larger spreads, sometimes several percentage points.
Fractional shares:
– Alpaca fills fractional-share orders at exact executed quantity.
– Fees for fractional equities: commission 0% for qualifying accounts; regulatory fees still apply on sells.
– Example: buy 0.5 share of an ETF at $200/share = $100 exposure.
Clearing and settlement:
– Equities settlement: typically T+2 (two business days after trade). That implies a 2-day delay in settlement funds.
– Crypto settlement timing: depends on the asset and execution venue; sometimes near-instant, sometimes delayed.
– Use caution for same-day liquidity needs.
Practical bullets:
– Compare a 0.25% explicit fee to equity commission 0% when planning costs.
– For $5,000 crypto trades, expect $12.50 explicit fees plus spread.
– For fractional stock buys of $50 per order, regulatory rounding on later sells may cost cents per trade.
Watch out for: crypto spreads and execution slippage. Low-volume pairs can add several percentage points to cost.
How third‑party platforms, partners and account types change fees
Your fee reality depends on where the account was opened and who provides front-end services.
Direct accounts vs partners:
– Direct Alpaca self-directed API account: 0% commissions for qualifying U.S. equities.
– Authorized business partner accounts: partner may add fees or revoke commission-free access.
– Partner fees vary: could be $0, $5, $10 monthly, or per-trade commissions like $0.50 or $1.00.
Concrete checks to run:
– Verify account type in settings: direct or partner-managed.
– Ask partner for a written fee schedule showing per-trade and monthly fees.
– Confirm whether the partner bundles regulatory fees or passes them through individually.
Numeric examples:
– Partner charges $5 per month and $0.50 per trade. At 100 trades a month, that is $50 in trade fees plus $5 subscription = $55 monthly.
– Direct API account: 100 trades a month at 0% commission but with $0.01 regulatory rounding per sell could still be $1.00 monthly.
Other platform costs:
– Market data feeds: partners may charge for real-time data (e.g., $1 to $50 monthly).
– Execution add-ons: some platforms charge per-order routing fees or priority execution fees.
Watch out for: hidden subscription fees, data fees, or routing markups that erase the benefit of 0% listed commission.
Practical steps to minimize Alpaca fees and worked example
Take specific steps to cut dollars and cents from your P&L. Apply these actions immediately.
Action list to reduce costs:
– Use ACH for deposits and withdrawals: ACH $0 vs wire $25 domestic or $50 international.
– Batch position transfers: choose ACATS $25 for full account moves over DWAC $150 per security.
– Avoid frequent small sells: per-trade regulatory fees and rounding (to $0.01) add up.
– Avoid unnecessary margin borrowing: $1,000 at 6.25% = $62.50/year.
– Keep idle cash in an interest-bearing sweep: $10,000 at 3.3% = $330/year.
Worked example — full math:
– You sell 200 shares at $25 = $5,000 gross proceeds.
– SEC fee example: a few cents, rounded to $0.01.
– TAF example: per-share rate could lead to $0.05 to $0.50 total depending on shares and cap.
– CAT fee example: a few cents per trade.
– Total regulatory charge for this sale might be $0.10 to $1.00 in many cases.
– Withdraw proceeds by ACH = $0 vs wire = $25. Choosing ACH saves $25.
Another example — crypto vs equity on a single trade:
– Buy $5,000 equity via direct API = $0 commission + regulatory only on a future sell.
– Buy $5,000 crypto = 0.25% fee = $12.50 explicit + spread.
– If you plan many crypto trades, multiply $12.50 by trade count to budget.
Checklist bullets:
– Use ACH to save $25–$50 per withdrawal.
– Consolidate DWAC/DRS moves to avoid $100–$150 per security.
– Limit small sells to cut cumulative rounding losses.
– Compare margin APR to cash credit rate before borrowing.
Watch out for: frequent wire withdrawals. One wire per month at $25 = $300 per year. Use ACH instead.
Comparison table — quick fee comparison across common categories
Intro: Quick glance at common fee types and typical charges so you can compare at a glance.
| Fee type | Typical charge | When charged | Who pays | Notes |
|---|---|---|---|---|
| Equities commission | 0% per trade | On execution (direct API cash accounts) | Trader | Partners can change this |
| Regulatory fees (SEC/TAF/CAT) | Small; rounded to $0.01 | On sell orders (per-share or per-trade) | Trader | Passed to agencies in full |
| Crypto trading fee | 0.25% of trade value | On crypto executions | Trader | Plus spread/liquidity cost |
| Margin interest | Example 6.25% APR | On borrowed cash/positions | Trader | Daily accrual; check account rate |
| Account/transfer fees | ACATS $25; DWAC $150/sec; DRS $100/sec; Wire $25/$50 | On outbound transfers or wires | Trader | ACH typically free |
Summary sentence: The pattern is clear: trading commissions can be 0%, but regulatory, transfer, crypto, and borrowing fees create the bulk of real costs.
Closing — How to choose and bottom-line decision tree
Decide by your main activity and cost sensitivity. Use this simple tree.
- If you trade automated U.S. equities via direct API and avoid partners → expect 0% per-trade commissions. Focus on reducing regulatory and transfer costs.
- If you trade crypto or need fractional crypto exposure → expect 0.25% per trade plus spreads. Budget liquidity costs.
- If you borrow on margin or keep idle cash → compare margin rate to cash credit rate. Example: 6.25% APR margin vs 3.3% cash interest. Avoid net borrowing when margin exceeds cash interest by 2.95 percentage points.
- If you move positions often or use special transfers → prefer ACATS $25 over DWAC $150 per security, and use ACH for withdrawals ($0).
- If unsure → open a small test account. Run 10 representative trades and one transfer. Tally per-trade regulatory charges, data fees, and transfer fees. Multiply by expected trade count to estimate yearly cost.
Final practical rule:
– Always check these numbers in your account: commission 0%, crypto fee 0.25%, margin APR (e.g., 6.25%), cash sweep rate (e.g., 3.3%), ACATS $25, DWAC $150, DRS $100, wire $25 domestic/$50 international, ACH $0, ACH return $25. These concrete figures let you model actual cost in dollars.
Appendix notes for writer and sources to verify
- Use Alpaca’s official brokerage fee schedule for exact per-contract and per-security values.
- Verify current cash interest and margin rates before publishing.
- Keep language second person and use short imperative sentences.
- Explain technical terms in parentheses the first time they appear (for example, “margin (borrowed capital)”).