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ToolsPost-Promo APR Risk Check
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Post-Promo APR Risk Check

Model your risk if a balance remains when intro APR ends. See monthly interest drag, payoff time, and safer payment targets.

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Scenario inputs
Adjust assumptions to stress-test your plan.
Estimates update instantly as you change promo timing, balance size, and post-promo APR.
Risk level
Low
Based on balance, APR, and payment
Monthly interest
$62
Estimated month 1 post-promo
12-mo payoff payment
$244
Target to clear in ~1 year
Estimated payoff
12 mo
At planned payment

Risk assessment

This payoff plan is relatively controlled if you sustain the payment schedule.

Payment targets

Current planned payment$250
Payment for 24-month payoff$140
Payment for 12-month payoff$244

How to interpret the risk check

The monthly interest figure shows the immediate drag that starts once a promo rate expires. That number matters because it tells you how much of each payment may stop going toward principal.

The 12-month and 24-month payment targets are useful planning anchors. If your current payment is far below those targets, the remaining balance may linger much longer than expected.

Use the result as a screening tool. If risk looks high, it is usually worth comparing a longer intro window, a lower-fee offer, or a more aggressive payoff schedule.

Post-promo APR FAQ

What is post-promo APR risk?

It is the risk that a remaining balance will begin accruing interest at the standard APR after the introductory 0% period ends, raising the cost of carrying debt.

When is the risk level likely to be high?

Risk is typically higher when the balance is still large, the APR is steep, or the planned payment is too low to clear the debt within a reasonable payoff window.

Should I use this tool before or after choosing a card?

It is most useful before choosing a card because it helps you compare the tradeoff between a longer intro window and the cost of missing that window.

Disclaimer: This risk check is a planning estimate. Actual costs depend on issuer terms, variable APR changes, payment timing, and whether the remaining balance changes before the promo period ends.

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