FA-61727 / Options payoff and settlement / Member archive

FX option premium quote conversion: pip premiums are converted to base by multiplying by spot · case 02

Base-currency equivalents of pip premiums are spot-squared off.

Member previewVariant 2 · 3 implementations · 8 checks per implementation

Case contract

Inputs quote, quote type, base notional, spot and pip size. pips: term premium = quote*pip*notional, base = term/spot. pct_base: base = quote/100*notional, term = base*spot. pct_term: term = quote/100*notional*spot, base = term/spot. Exact fractions; return [term, base] rounded to 2 as floats.

Why this case matters

Option expiry, exercise and settlement engines move cash and shares; a wrong branch misstates obligations.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
regression pip base conversion 1	`[312.5, 397.25]`	`[312.5, 245.83]`	Failed

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