Direct answer: what to check for ASIC
When people ask “Which fees and spreads should be checked for ASIC?”, they usually mean: identify the published pricing inputs (spreads and any explicit charges) and then understand how real execution can differ.
Check, at minimum, these cost categories before comparing offers or expecting any outcome:
- Trading spread (price difference): the typical spread range for the instrument you trade, and whether it is quoted as a fixed or variable figure.
- Commissions (if any): per-trade commission amounts and how they are applied (per side, per lot/contract, or per notional).
- Financing and holding costs: any charges or credits for positions held overnight (often called swap, rollover, or financing).
- Other account fees: account maintenance, deposit/withdrawal, inactivity, or platform/data fees that may affect the total cost over time.
Then, treat execution variability as a separate step: even with the same published spread, the effective spread you get can change with liquidity, volatility, and order timing.
Mechanics: how fees and spreads translate into total cost
Spread is the difference between the buy price and sell price quoted for the same instrument at a given moment. If a spread is quoted as “typical” or “average,” it is not the same as the spread you will face at the instant you submit and fill an order.
Fees are explicit charges that get added to (or sometimes deducted from) the trading cost. Common examples include:
- Commission charged for each executed trade.
- Financing/overnight charges applied when holding a position across a rollover time.
- Account or service charges applied regardless of whether you trade.
A simple cost model for learning (not for prediction) is:
- Estimated cost per trade = (expected spread cost) + (expected commission) + (any applicable immediate fees).
- Estimated cost over holding = per-trade costs + (financing rate × holding duration).
Assumptions must be explicit. For example, if you use “expected spread cost,” state whether it means half the quoted spread, whether it assumes mid-price execution, or whether it uses an average value from past quotes. Different assumptions can change the estimate materially.
Evidence or example: separating published pricing from variable execution
A practical way to keep these concepts separate is to write down two numbers and two processes:
-
Published costs (what is stated)
- Quoted spread behavior (variable vs fixed, typical ranges)
- Commission schedule (if present)
- Financing rules (overnight charge/credit method)
-
Effective costs (what you experience)
- Effective spread: the actual execution price difference you receive versus a reference (such as the price at order submission)
- The realized financing amount once the position is held past the rollover time
Example setup (hypothetical, with assumptions stated):
- Assume the instrument has a typical quoted spread range.
- Assume a commission is charged per side.
- Assume you hold for multiple days, so financing applies.
In verification, you would compare:
- the published commission and financing method (from the provider’s documentation), versus
- the actual filled prices and resulting cash flows shown in transaction statements.
This separation helps you understand costs without mixing them with market-driven outcomes.
Limitations and risks: failure modes to watch
Key limitations are why “checking fees and spreads” is not enough to guarantee any result:
- Spread is time-dependent: the spread at the moment of execution can differ from “typical” or “average” values.
- Calculation methods can vary: some sources describe spread in different ways (bid/ask, averages, reference points), which makes comparisons tricky.
- Financing complexity: overnight charges depend on the exact rollover rules, instrument specifics, and the direction of the position.
- Hidden cost effects: even when there are no obvious commissions, execution quality (slippage, partial fills) can increase effective cost.
One material failure mode is treating published numbers as realized numbers. Published spread or “typical” ranges can be informative for learning, but real execution can still be worse (or sometimes better) depending on liquidity and volatility.
Verification and next question: how to confirm independently
To verify what matters for your situation, focus on documentation that describes:
- how spreads are quoted and whether they are fixed or variable for your specific instrument;
- the full commission schedule (including how it is charged);
- the financing/overnight rules, including when they apply and how they are calculated;
- any recurring account fees.