Know when an ETF's reported portfolio changes.

Compare captured holdings files, define materiality thresholds and keep an exportable audit trail. This beta is available without a paid plan while the snapshot methodology is validated.

Historical captures

Weekly files already present in the EigenDex dataset.

Materiality rules

Flag reported weight changes above your chosen threshold.

Audit export

Download the inputs, snapshots and detected changes as JSON.

Threshold is in percentage points of fund weight. Rules are stored in this browser and evaluated when this page is opened; no email or background notification is implied.

0 threshold events

Add a fund rule to inspect historical holdings changes.
  • • Browser-local rules and saved thresholds.
  • • Latest-capture comparison with additions, removals and weight changes.
  • • Coverage change shown beside turnover to expose bad comparisons.
  • • JSON monitoring report for independent review.
  • • No background email, push notification or guaranteed update schedule.
  • • Snapshot capture dates are not treated as issuer-effective dates.
  • • No “best ETF” signal is inferred from holdings changes.
  • • Pricing will not be published before these services exist.