COS Canada: Shopping portal cashback & miles rates
Checked 7d ago · 1 portal compared
Every portal below pays you for starting your COS Canada purchase there: they split the commission they get from COS Canada with you. Same store, same checkout, same order, but cashback or miles on top. New here? How portals work
Best COS Canada rate right now
Best right now
Verdict:
3 rate changes in the 45 days we've tracked it. Last moved Aug 23, 2026.
Cashback
Category rates & exclusions
- Online Purchase · most items 10%
Exclusions: - Use of a coupon code not displayed on TopCashback. Terms: - Cash Back is calculated only on the item(s) price and does not include taxes, shipping or other fees. - Cash Back earned cannot exceed the total purchase amount. - Should your Cash Back fail to track automatically, please submit a Missing Cash Back Claim within 100 days of your order.
Details last checked 7d ago.
Joining a portal through a link here may earn us a referral bonus; it never changes these rates or their order. Details
How this tool is funded
Some links here are referral links: if you join a portal through one, that portal may pay us a referral bonus. It never changes the rates we show or how we rank them. How we make money
Best play
Stack the portal with the right card: the same purchase earns two ways.
Also fits: Bank of America Customized Cash Rewards (3% back on online retail) · Amex Blue Business Plus (2x Amex points on everything)
Card earn rates are our own notes, not live data. Issuer caps and terms apply, so double-check before counting on one.
Rate history last 21 days
Full history →COS Canada's best cashback rate has changed 3 times since Jul 17, ranging 2% to 10%.
Each line follows the best rate on offer at that moment, whoever was paying it. Currently: Cashback via TopCashback. Same scale, different currencies: "3" means 3% cash, 3 pts/$, or 3 mi/$.
Every account sees the last 21 days here. Premium goes back to day one.
Recent changes last 21 days
Common questions
Which shopping portal pays the most at COS Canada? +
Right now 10% on TopCashback leads, out of 1 portal we track for COS Canada. The full side-by-side comparison of cashback, miles, and points is above.
Is 10% a good cashback rate for COS Canada? +
10% on TopCashback is the highest we've ever seen for COS Canada (typical 2–10%).
Can I earn airline miles or points for COS Canada through a shopping portal? +
Not right now. None of the 1 portal we track list airline miles or transferable points for COS Canada today. That can change, so it's worth setting an alert.
How often do COS Canada's cashback rates change? +
COS Canada's best cashback rate has changed 3 times since Jul 17, ranging 2% to 10%.