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MOCHILAB / AI SKILL
ETF Unit-Flow Decomposition
Separate split-adjusted ETF unit changes from NAV changes and estimate flow direction.
What it does
Separate split-adjusted ETF unit changes from NAV changes and estimate flow direction.
- Share split adjustment
- NAV-based flow proxy
- Separate price-driven AUM
Try saying
Use my supplied records to separate split-adjusted ETF unit changes from NAV changes and estimate flow direction.
Export a reproducible report with the assumptions, key metrics and detailed CSV. Ask me for missing facts first.
Calculation scope
unit_split_factor maps previous units into current units before differencing. Flow proxy = adjusted unit change * current NAV, not actual cash flow or verified investor demand. Creation/redemption baskets, timing and noncash activity can differ materially.
Deliverables and runtime
Includes executable Python 3.10+ standard-library calculations, independent numerical tests, fictional examples and an input reference. Supported flat collections accept CSV. No extra key is needed for supplied data. Live data needs an available permitted source; no all-market real-time feed is bundled. Fictional rule profiles are not current legal/broker defaults. Files stay in the active assistant workspace, with input and output hashes. Analysis only; no account access or automatic trading.
References