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How finance teams read a merchant processing statement

Effective rate, interchange, assessments and markup each tell a different story, map sections to review steps.

10 min read · RapidCents Editorial · Reviewed by Payments Compliance

Published 2026-04-05 · Last reviewed 2026-08-01

Financial analysis

Scope: Labels vary by processor.

What a merchant statement is for

A merchant statement is the monthly account of what your processor did with your card sales: what you sold, what was deducted, what was deposited, and under which fee each deduction was taken. It is the only document that reconciles the price you were quoted against the price you actually paid.

It is also written for a billing system rather than for a reader. Section order, line labels and the level of detail differ between processors, and the same charge can appear as a discount rate on one statement, a merchant discount on another and a processing fee on a third. That variation is why a review has to be a procedure rather than a skim.

Read it with two other documents open: your merchant agreement, so you can tell a contracted fee from a new one, and your bank statement for the same period, so you can tie what the processor says it deposited to what actually arrived.

The order the sections usually appear

Most Canadian statements run in the same sequence: a summary, then sales detail, then fee detail, then adjustments, then a reconciliation of gross sales to net deposits.

The summary at the top gives gross card volume, transaction count, total fees and net amount funded. Two of those four numbers are the ones you will use most: total fees and gross volume are the numerator and denominator of your effective rate.

Sales detail breaks volume down by card brand and often by day or by batch. This is where you find the shape of your business — how much of your volume is Interac debit, how much is Visa and Mastercard credit, how much is Amex, and how the totals split between in-person, online and keyed.

Fee detail is the section that repays attention. On an interchange-plus statement it lists interchange by category, then network assessments, then the processor’s markup as its own line. On a tiered statement it lists two or three tier rates and the counts that fell into each. On a flat-rate statement it may list a single rate and nothing behind it.

Adjustments cover refunds, chargebacks and any representments, plus reserve movements if your account carries one. Then a final section reconciles gross sales, less refunds and chargebacks, less fees, to the amount funded to your bank.

Gross versus net settlement, and why the deposit never matches the sales total

Your deposit does not match your sales total because fees are taken out either transaction by transaction or once at month-end, and because refunds, chargebacks and timing move money across the edges of the period.

Under net settlement, sometimes called daily discount, the fee is deducted from each batch before the money is sent, so what lands in your account is already net. Your bank line will never equal your sales line, and reconciliation means matching each deposit to the batch behind it rather than matching a month to a month.

Under gross settlement the full sale amount is deposited and the entire month of fees is withdrawn afterward as one debit, usually in the first business days of the following month. This is easier to reconcile and easier to budget against, and it makes the fee debit large and visible, which is generally an advantage.

Timing accounts for the rest of the gap. A batch closed after the funding cut-off lands the next business day. Weekends and statutory holidays push funding. A sale authorized on the last day of the month and captured on the first day of the next belongs to two different reports. None of this is an error, but all of it has to be accounted for before you conclude that a deposit was short.

Separating pass-through from markup when the statement does not label them

When the statement does not label them, you separate pass-through from markup by identifying the lines your processor could not have set.

Interchange lines carry network category names — long, specific product and programme names that come from Visa and Mastercard rather than from your provider. Network assessments appear as small percentages of volume, usually grouped under the network’s name. Everything remaining is your provider’s: the discount rate or markup, per-item charges, and every monthly line.

Then do the arithmetic. Add interchange and assessments, subtract that sum from total fees, and divide the remainder by gross card volume. The result is what your provider earned on your account, expressed as a rate. That is the number a competing quote has to beat, and it is the number a renegotiation moves.

On a tiered statement this separation is not available at all, which is the point of the format. The tier rates are the provider’s own construction and no arithmetic on the statement recovers the interchange underneath. Ask for the interchange detail for the same period in writing; if it is not produced, you have learned that the account cannot be audited in its current form.

One caution on the subtraction: do not treat refunded sale amounts or chargeback amounts as fees. The principal of a refund is money returned to your customer, not a charge by your processor. The fee attached to processing that refund or that dispute is a charge, and belongs in the numerator.

The fixed monthly charges that accumulate quietly

Fixed monthly charges do not scale with volume, which is what makes them easy to overlook and expensive at low volume. They are also the charges most likely to be absent from the proposal you agreed to.

The recurring list is short enough to check every month. A statement or account fee. A PCI programme fee, and separately a PCI non-compliance fee if your annual self-assessment questionnaire has lapsed. A monthly minimum, charged as the shortfall when your processing fees do not reach a floor. Gateway charges, which often have both a monthly and a per-transaction component. Terminal rental or lease payments. Batch or settlement fees, charged per closed batch rather than per sale. Chargeback and retrieval fees. Wireless or data plan charges on mobile terminals. Occasionally an annual fee that appears once and surprises everyone.

Two of these deserve special attention. A terminal lease is frequently a separate contract with a third-party leasing company rather than part of your processing agreement, which means cancelling the processing account does not end the lease. And a monthly minimum you pay consistently is not a fee problem so much as a pricing mismatch — it means the agreement was written for a larger business than yours.

Convert the whole group into a rate before you judge it. Total fixed charges divided by monthly card volume gives you the percentage those charges add to every sale. At healthy volume it is negligible. At low volume it can exceed the markup you spent a month negotiating.

Computing the effective rate from the statement in front of you

Total processing fees divided by gross card volume for the same period, times one hundred. The difficulty is not the formula, it is deciding what belongs in each of the two numbers.

Into the numerator go every charge the processor levied: per-transaction fees, percentage fees, interchange and assessments passed through, monthly and annual charges, chargeback and retrieval fees, gateway and terminal charges, PCI fees, and any minimum shortfall billed. Leave out the principal of refunds and chargebacks, and leave out sales tax on fees if your statement shows it separately — include it only if you are measuring cash out rather than cost of acceptance, and be consistent month to month.

Into the denominator goes gross card volume for the same period — sales settled, before refunds. If you subtract refunds from volume you will overstate the rate, and if you subtract refunds one month and not the next you will have created a variance that is entirely your own.

Then compute it three ways: overall, by card brand, and by channel. The overall number tells you what you paid. The brand split tells you whether Amex, premium credit or debit is driving it. The channel split tells you whether the cost is coming from the counter, from online checkout or from keyed transactions in the back office, and that is usually the version that suggests an operational fix rather than a pricing conversation.

Reading month-over-month variance

A sudden move in your effective rate almost always has one of four causes: downgrades, a shift in card mix, a rate change, or a service you are now being billed for.

Downgrades show up as a change in category counts rather than in volume. The same sales, distributed into more expensive interchange categories or into a higher tier. The usual operational causes are keyed entry where a card could have been tapped, missing address verification on card-not-present sales, batches settled after the cut-off, and authorizations captured days after they were taken.

A card mix shift shows up in the sales detail rather than the fee detail. More commercial cards after a corporate customer arrives, more premium rewards cards in a season, more international cards, or a larger share of the month settled online rather than at the counter. Your pricing is unchanged and your cost is not.

A rate change is the simplest to identify and the one that should never be a surprise, because a new fee or an increase is supposed to reach you by written notice in advance under Canada’s Code of Conduct. Compare the fee schedule lines to the prior month, and if a rate moved without a notice you received, that is the call to make first.

An added service shows up as a line that did not exist last month: a fraud tool, a reporting add-on, a compliance programme, a new gateway component. Sometimes it was requested by someone in your own organization and never relayed to finance, which is worth ruling out before you phone.

Keep thirteen months of statements so you can compare the same month a year earlier as well as the month before. Seasonality moves card mix more than most operators expect, and a year-over-year comparison separates a seasonal pattern from a genuine change.

The red flags worth a phone call

Some findings are worth noting and reviewing next month. These are worth a call this week.

A line you cannot name. If nobody in the business can say what a charge is for and it is not in the agreement, it goes on the list before anything else does.

A fee that appeared without a notice. Under the Code of Conduct a new fee or an increase requires advance written notice, and the notice has to say what changed and who originated it. A charge that arrived silently is both a billing question and a compliance question.

A PCI non-compliance fee. It usually means an annual self-assessment questionnaire lapsed rather than that anything is wrong with your security, and it is normally fixable by completing the questionnaire. Ask whether the fee is refunded once compliance is restored.

A monthly minimum you pay every month, or a tiered statement where the non-qualified share is growing. Both are signs that the pricing you agreed to no longer describes the business you are running.

Terminal rental continuing on equipment you returned, or on a lane that closed. This is common, easy to prove and easy to get credited, provided you can produce the return.

Chargeback fees on disputes you won. Whether the fee is refunded depends on your agreement, so check it — and if it is refundable, check that the credit actually appeared.

A reserve or holdback with no contractual basis. Reserve terms belong in the merchant agreement. If money is being withheld and you cannot find the clause that permits it, ask for the clause in writing.

A monthly review a finance team can actually run

The review is four steps and takes under an hour once the first month is built. Its value is entirely in being repeated, because almost everything worth finding is a change rather than a level.

First, tie out. Pull the statement and the bank deposits for the same period and reconcile gross sales, less refunds and chargebacks, less fees, to what landed. Under net settlement do this at the batch level rather than the month level. Note any unresolved difference and its amount rather than leaving it for later.

Second, compute the effective rate — overall, by brand, by channel — and record it in the same spreadsheet every month. One row per month, one column per measure. The row is the point: a single month’s rate means very little, and twelve months of rates means a great deal.

Third, list every fixed charge with its amount and frequency, and compare the list against the prior month. Any line that is new, any amount that moved, and any charge you cannot map to the agreement goes into a short exceptions list.

Fourth, look at mix. Compare interchange category or tier distribution against last month and against the same month last year, and note the share of card-not-present and keyed volume. This is the step that catches downgrades early, while they are still an operational fix rather than a year of overpayment.

Two rules turn the review into action. Anything on the exceptions list goes to your processor in writing the same week, with the statement line quoted. And any month where the effective rate moves without a matching change in mix becomes a repricing conversation rather than a note.

Exports that break out interchange, assessment and processor fee columns turn steps two through four into a spreadsheet task instead of a reading task. RapidCents reporting produces that breakdown, and any provider you are considering should be able to say plainly whether theirs does.

Frequently asked questions

How long should I keep merchant statements?

Keep at least thirteen months so you can compare any month against the same month a year earlier, and keep longer if your retention policy or your auditor requires it. Keep the machine-readable export alongside the PDF where one is available, because a year of comparisons is a spreadsheet exercise and re-keying a PDF is how errors enter the record.

My deposit is short. Is that a fee or a hold?

A fee appears as a named charge in the fee detail and reduces the deposit by a predictable amount. A hold or reserve appears as an amount withheld from settlement, often as its own line in the funding detail, with no corresponding fee. If the shortfall has no fee line behind it and no batch timing explanation, ask your processor whether a reserve or a risk hold was applied and under which clause of your agreement.

Can I prevent downgrades?

You can prevent the operational ones. Settle batches every day before the cut-off, capture authorizations promptly rather than days later, pass address verification and the card security code on card-not-present sales, use 3-D Secure where it is available, and avoid keying a card that could have been read by a terminal. Commercial cards often qualify for better rates when Level 2 and Level 3 data such as tax amount and customer code are supplied, which is an integration change rather than a habit change.

Why does my statement show more transactions than my point of sale?

Refunds, voids, tip adjustments and split tenders are each transactions to the processor and often a single sale to your point of sale. Authorizations that were never captured, and re-authorizations after an expired hold, add to the gap. Reconcile at the batch level first — if a specific batch matches, the difference is a counting convention rather than a missing sale.

Should I ask for the statement in a machine-readable format?

Yes, and ask early. A monthly PDF is enough to read once and almost useless for comparison across a year. A CSV or scheduled export lets you keep transaction-level and fee-level detail in the same place as your accounting data, and it is the difference between a review you run every month and a review you run once.

The statement and my point of sale disagree on totals. Where do I start?

Start at the batch, never at the month. Pick one day, match the batch total on the statement to the batch total in your point of sale, and work through the differences on that single day. A month-level difference has too many possible causes to diagnose; a day-level difference usually has one, and whatever explains that day normally explains the month.

Who do I contact about a charge I do not recognize, and what if nobody answers?

Write to your processor first, quoting the statement date and the exact line, and keep the correspondence. Canada’s Code of Conduct sets the clock on what follows: a complaint must be acknowledged within five business days and answered within twenty business days by an acquirer or processor. If that does not happen, escalate to the payment card network for the brand involved and to the Financial Consumer Agency of Canada, which monitors compliance with the Code.