Rewards Effective Value Percent Calculator

Audit realized caller reward redemption values against actual eligible spend and allocated fees, preserving negative net value; no invented point valuation, future rewards promise or gross-rate comparison alias.

Description

Realized reward value must be compared with observed eligible spend after allocated fees.

Realized reward value must be compared with observed eligible spend after allocated fees. Net reward value can be negative.^[1]

The returned values include Total observed reward value minor, Net observed rewards minor, Effective net reward percent. The How section below explains the calculation, input rules and interpretation.

When to use Rewards Effective Value Percent Calculator

Use Rewards Effective Value Percent Calculator when you need to evaluate the supplied records under the calculation and evidence rules below. No point valuation, future reward promise or gross-rate comparison is supplied.

Prepare observed financial records and verified caller terms. Use one currency for integer minor-unit money and preserve leading zeros in identifier text. One basis point is 0.01 percentage points. Resolve dates, local clocks, counting rules and evidence flags as specified.

How to use Rewards Effective Value Percent Calculator and understand its results

Prepare observed financial records and verified caller terms. Use one currency for integer minor-unit money and preserve leading zeros in identifier text. One basis point is 0.01 percentage points. Resolve dates, local clocks, counting rules and evidence flags as specified.
Enter eligibleSpendMinor, observedRewardValueMinor, allocatedCardFeesMinor using the field table and calculation rules, then run the tool.
Read totalObservedRewardValueMinor, netObservedRewardsMinor, effectiveNetRewardPercent. The explanation below defines the units, signs, ordering and any flags or placeholder values.
If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.

Input field	Meaning	Value type; see rules below	Requirement
eligibleSpendMinor	Eligible spend minor	list of number	Required
observedRewardValueMinor	Observed reward value minor	list of number	Required
allocatedCardFeesMinor	Allocated card fees minor	number	Required

Enter aligned nonempty nonnegative safe-integer spend and redemption values plus nonnegative safe-integer fees. Require positive pooled spend and safe sums. Return gross reward value, signed net value and net percent.

netRewards=sum(redemptions)−fees; effectivePercent=100×netRewards/sum(spend)

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output field	Meaning	Value type
totalObservedRewardValueMinor	Total observed reward value minor	number
netObservedRewardsMinor	Net observed rewards minor	number
effectiveNetRewardPercent	Effective net reward percent	number

json

{
  "input": {
    "eligibleSpendMinor": [
      10000,
      10000
    ],
    "observedRewardValueMinor": [
      300,
      200
    ],
    "allocatedCardFeesMinor": 100
  },
  "output": {
    "totalObservedRewardValueMinor": 500,
    "netObservedRewardsMinor": 400,
    "effectiveNetRewardPercent": 2
  }
}

Limitations and assumptions

No point valuation, future reward promise or gross-rate comparison is supplied.

Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Numeric lists are limited to 10,000 entries; string lists to 128 strings of at most 128 characters each. The rules above may impose smaller limits. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use Roundup Savings Accrual Monthly Calculator: Roundup savings fill the next specified minor-unit multiple. An exact-multiple purchase needs no roundup, and a cycle cap can leave requested savings untransferred. For a complementary task, use Foreign Transaction Fee Total Cost Percent Calculator: Foreign-transaction cost can include a percentage fee plus independently observed conversion spread cost. The converted purchase base must exclude those extra costs.

References

Rewards Effective Value Percent Calculator — tool.io

Similar or alternative tools

Roundup Savings Accrual Monthly Calculator
Roundup savings fill the next specified minor-unit multiple. An exact-multiple purchase needs no roundup, and a cycle cap can leave requested savings untransferred.
Foreign Transaction Fee Total Cost Percent Calculator
Foreign-transaction cost can include a percentage fee plus independently observed conversion spread cost. The converted purchase base must exclude those extra costs.