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ONCEhistorical intraday data

DelistedSpark Therapeutics, Inc. Common StockNasdaq

Spark Therapeutics, Inc. Common Stock (ONCE) is a common stock. It was delisted on December 18, 2019 from Nasdaq. Its last trading day on file was December 16, 2019. ONCE has 1,228 trading days on file, from January 30, 2015 to December 16, 2019, with 5,813,307 trades. There are 337,839 1-minute bars on file.

On file

First day
2015-01-30
Last day
2019-12-16
Trading days
1,228
Trades
5,813,307
1-minute bars
337,839
Bars, about
5.1 MB
Trades, about
80 MB
Quotes, about
97 MB

Sizes are approximate: this ticker’s share of the Parquet files.

Trading history

Trades per calendar year. Busiest year: 2019, with 1,471,373 trades over 242 trading days.

Symbols get reused, so the history under ONCE is not always one company.

ONCE by year

YearTrading days on fileTrades
2015233705,064
2016252996,373
20172501,184,112
20182511,456,385
20192421,471,373