Description
Return eligible/period share.
Financial records use explicit dates, periods, entitlement flags and policy boundaries. Numeric membership or age checks can establish consistency with a supplied rule without determining legal rights or the actual contract's meaning.
Return eligible/period share.
When to use this tool
Use Coupon Period Exposure Share when you need a financial timing or policy-record diagnostic.
How to use the tool and how it works
- Enter eligibleDays, periodDays. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read share. Use the output convention below.
Require positive periodDays and eligibleDays from zero through period. Return eligible/period share.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| eligibleDays | Eligible Days | Required. Finite number; minimum 0. |
| periodDays | Period Days | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| share | Dimensionless share on the numerator and denominator basis stated above. | Required. Finite number. |
{
"input": {
"eligibleDays": 30,
"periodDays": 90
},
"output": {
"share": 0.3333333333333333
}
}Limitations and assumptions
- Day counts are supplied, not calculated from a calendar or coupon convention. The share does not establish legal coupon entitlement or compute cash payment.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Review the governing instrument or agreement and source records. Use the appropriate calendar, day-count and professional interpretation when actual entitlement or obligations are at issue.
References
Similar or alternative tools
- Finance: Coupon Accrual From Explicit Day Counts
Multiply coupon by elapsed/period.
- Coupon Exdate Entitlement Token
Compare tradeDay with exDay strictly when equalityExcludes or inclusively otherwise; entitledByFlags also requires settledBeforeRecord.