PREVIEW / etf_30min / 2017-09-04

all etf 30-min files

  file:    by_date/etf_30min/2017/2017-09-04.parquet
  size:    5 KB
  rows:    1

schema

  timestamp    TIMESTAMP
  symbol       VARCHAR
  asset_type   VARCHAR
  open         DOUBLE
  high         DOUBLE
  low          DOUBLE
  close        DOUBLE
  volume       DOUBLE

sample rows

timestamp	symbol	asset_type	open	high	low	close	volume
2017-09-04 09:30:00	GBTC	ETF	8.6814	8.6814	8.6814	8.6814	3458.0

> showing 1 of 1 rows — these rows as CSV

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