NY Fed Desk repo and reverse repo (ON RRP) operation RESULTS — the actual auctions the Desk ran, not a daily rate aggregate. Each operation: total submitted/accepted USD, counterparty counts, award rate(s), breakdown by security type (Treasury/Agency/MBS/SRF). No start_date/end_date -> today's operation(s) only (empty on weekends/holidays). With start_date/end_date -> a date-range search. Use for "today's ON RRP usage", "reverse repo take-up this week vs last", "who's using the SRF". Different from fred_get_series('RRPONTSYD') which only has the daily accepted total, no per-operation detail.
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