Compares an erroneous NAV-per-share against a corrected NAV-per-share against a declared materiality policy, using fixed-point money math throughout (no float accumulation). The policy defaults to industry half-cent absolute and 1% relative conventions, and a fund may supply its own thresholds to override either. Returns a material/immaterial verdict, affected-period math, an estimated impact figure, and a reprocessing-need indication. The fund-ops incident artifact, riding recompute_fund_nav's conventions.
Fixed-Point Money MathSupplied NAV Values, Never FetchedNot an Accounting Opinion
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What this does NOT prove
The erroneous and corrected NAV-per-share values here are supplied by you and merely asserted: this tool performs zero independent NAV recomputation (that is recompute_fund_nav's job) and zero market-data lookups (zero-egress, no network calls of any kind). It attests the arithmetic of the error comparison against a declared materiality policy. This is never an accounting opinion, never a determination that a fund must reprocess, and never advice. It computes what the declared policy implies, nothing more.
Fund & NAV Values
Declared Materiality Policy (leave blank for the industry defaults: half-cent absolute, 1% relative)
Affected Period (optional)
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Materiality Verdict
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Error (Abs, $/Share)
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Error (Abs, %)
Error detail
Industry convention vs. declared policy
Test
Absolute Threshold
Percent Threshold
Breach
Affected period & reprocessing indication
What was NOT proven
Compliance Flags
Provenance
Fixed-point (BigInt) money math throughout, mirroring recompute_fund_nav (ART-373): every value is parsed from its decimal string representation, never via floating multiplication, so there is no float-accumulation error anywhere in the arithmetic path.
⚠ DECISION-SUPPORT DRAFT. Not an accounting opinion, not a determination that a fund must reprocess, not advice. NAV values are supplied and asserted only.