{
"symbol": "SPY",
"lookback_days": 90,
"snapshots_available": 0,
"period_flows": [
{
"from_date": "2026-04-30",
"to_date": "2026-05-31",
"from_nav": 0,
"to_nav": 0,
"delta_shares": 0,
"net_flow_dollar_estimate": 0,
"from_nav_method": "string",
"to_nav_method": "string",
"from_shares_as_of": "string",
"to_shares_as_of": "string",
"from_aum_source": "string",
"to_aum_source": "string",
"basis_kind": "string",
"basis_note": "string",
"split_ratio_applied": 0,
"split_events_applied": [
{
"property1": "string",
"property2": "string"
}
],
"split_adjustment_reason": "string"
}
],
"total_net_flow_dollar_estimate": 0,
"reason": "string",
"plateaus_observed": 0,
"snapshots_unusable": 0,
"rep_pd_date": "string",
"accession": "string",
"sec_monthly_flows": [
{
"month": "string",
"sales": 0,
"reinvestment": 0,
"redemption": 0,
"net": 0,
"rep_pd_date": "string",
"accession": "string"
}
],
"sec_monthly_flows_reason": "string",
"methodology": "string"
}