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T5008 Slip Explained: Securities Transactions in Canada (2026)

Updated

What Is a T5008 Slip?

The T5008 Statement of Securities Transactions reports the proceeds from selling investments in taxable accounts.

FeatureDetails
Full nameStatement of Securities Transactions
Issued byBrokerages, mutual fund companies
ReportsProceeds of disposition (sale amount)
Does NOT reportYour actual capital gain
ThresholdAll transactions over $25

T5008 Box Guide

BoxDescriptionNotes
13YearTax year of the transaction
14Recipient typeIndividual, corporation, trust
15Account typeNon-registered, TFSA, etc.
16Security descriptionName of stock, ETF, mutual fund
17CUSIP numberUnique security identifier
20Proceeds of dispositionSale price × quantity
21Cost or book valueOften blank or inaccurate

The ACB Problem

Why Cost (Box 21) Is Often Wrong

IssueExplanation
BlankBrokerage not required to provide
Only one purchaseDoesn’t reflect average if you bought multiple times
Transfer-inBrokerage doesn’t know your original cost
Reinvested distributionsNot included in cost basis

You must calculate your own adjusted cost base (ACB).

What Affects Your ACB

ActionEffect on ACB
Buy sharesIncreases ACB
Sell sharesDecreases ACB (proportionally)
Reinvested dividendsIncreases ACB
Return of capitalDecreases ACB
Stock splitNo change to total ACB
Transfer between brokeragesNo change

How to Calculate Capital Gains

Basic Formula

Capital Gain = Proceeds (Box 20) − Adjusted Cost Base − Selling Costs

Example: Single Purchase and Sale

TransactionAmount
Bought 100 shares at $50$5,000 ACB
Commission on purchase+$10
Total ACB$5,010
Sold 100 shares at $75$7,500 proceeds
Commission on sale-$10
Net proceeds$7,490
Capital gain$7,490 - $5,010 = $2,480

Example: Multiple Purchases (Average Cost)

DateTransactionSharesPriceTotal
JanBuy100$40$4,000
JunBuy50$60$3,000
Total150$7,000
ACB per share$46.67

When you sell 100 shares at $70:

  • Proceeds: 100 × $70 = $7,000
  • ACB used: 100 × $46.67 = $4,667
  • Capital gain: $7,000 - $4,667 = $2,333

Remaining ACB: 50 shares × $46.67 = $2,333

Reporting T5008 on Schedule 3

What to Report

Schedule 3 ColumnWhat to Enter
DescriptionSecurity name
ProceedsBox 20 from T5008
ACBYour calculated ACB
Outlays/expensesSelling commissions
Gain or lossProceeds - ACB - expenses

Taxable Capital Gain

AmountCalculation
Total capital gainFrom Schedule 3
Inclusion rate50% (first $250,000)
Taxable capital gainReport on Line 12700

For 2026, capital gains above $250,000 are included at 66.67%.

Common T5008 Situations

ETF Sale with DRIP Reinvestments

If you used a Dividend Reinvestment Plan (DRIP):

TransactionACB Impact
Initial purchaseAdd to ACB
Each DRIP reinvestmentAdd to ACB
Distribution (T3)Already taxed, add to ACB
SaleUse total ACB

Track every DRIP purchase to avoid double taxation.

Mutual Fund Switch

ScenarioTax Impact
Switch between fundsDeemed disposition, triggers gain/loss
Same series, different currencyUsually not a disposition

Switching mutual funds typically triggers a capital gain or loss.

Transfer to Another Brokerage

TypeTax Impact
In-kind transferNo disposition, no gain/loss
Sell and re-buyCapital gain/loss realized

When you transfer “in-kind,” no T5008 is issued and no tax is owed.

Stock Split or Consolidation

EventACB Impact
2-for-1 splitSame total ACB, half per share
10-for-1 consolidationSame total ACB, 10× per share

Stock splits don’t change your total ACB, just the ACB per share.

Return of Capital Distributions

EventImpact
ROC distributionReduces ACB
ACB goes negativeTriggers capital gain

Track return of capital from T3 slips to adjust your ACB.

Superficial Loss Rules

You cannot claim a capital loss if you buy back the same security within 30 days before or after the sale.

RuleDetails
Denied lossCan’t claim immediately
ACB adjustmentLost amount added to new shares’ ACB
Period30 days before and after
Applies toYou, spouse, corporation you control

Example

DateTransaction
Dec 1Sell at $5,000 loss
Dec 15Buy back same stock
ResultLoss denied, added to new ACB

Missing T5008 Information

Finding Your Proceeds

If Box 20 seems wrong:

  • Check trade confirmations
  • Review brokerage statements
  • Calculate: shares sold × price per share

Tracking Your ACB

Use one of these methods:

  1. Spreadsheet: Track every buy, sell, and distribution
  2. ACB tracking software: AdjustedCostBase.ca, Wealthica
  3. CRA’s method: They do not track ACB for you

Multiple Brokerages

If you hold the same security at different brokerages:

RuleYou Must
Same security = one ACBCombine purchases across all accounts
Calculate averageTotal cost ÷ total shares
Each saleUses the combined ACB

T5008 vs Other Slips

SlipReportsTriggers
T5008Proceeds from salesYou calculate gain
T5Dividends, interestInvestment income
T3Trust distributionsMay include cap gains

What If You Don’t Receive a T5008?

SituationAction
Under $25 thresholdStill report on Schedule 3
Transfer to another brokerageNo T5008 needed
In RRSP/TFSANo T5008 issued (registered)

Always report all securities sales, even without a slip.

Key Deadlines

DeadlineDescription
February 28Brokerages issue T5008s
April 30Tax filing deadline
3 years backCarry-back capital losses
IndefinitelyCarry-forward capital losses

Tips for T5008 Filing

  1. Track ACB throughout the year, not just at tax time
  2. Keep trade confirmations for all purchases
  3. Don’t trust Box 21 — calculate your own ACB
  4. Watch for superficial losses near year-end
  5. Report losses even if you had no gains this year

→ Back to: Complete Canadian Tax Guide