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DAIOhistorical intraday data

ListedData I/O CorpNasdaq

Data I/O Corp (DAIO) is a common stock listed on Nasdaq. DAIO has 5,737 trading days on file, from September 10, 2003 to November 9, 2026, with 863,026 trades. There are 163,569 1-minute bars on file.

On file

First day
2003-09-10
Last day
2026-11-09
Trading days
5,737
Trades
863,026
1-minute bars
163,569
Bars, about
2.6 MB
Trades, about
11 MB
Quotes, about
54 MB

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

Trading history

Trades per calendar year. Busiest year: 2017, with 187,392 trades over 251 trading days.

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

Sample rows

DAIO1-minute bars, 2026-11-09, Eastern Time
DAIO 1-minute bars. Time is Eastern Time, prices are in USD.
Time (ET)OpenHighLowCloseVolumeTrades
09:302.362.362.362.36104.36884
10:322.42.42.42.41001
11:122.452.472.452.475,1747
11:132.47152.52.47152.56,93714
11:142.52.5252.472.4957,64720

DAIO by year

YearTrading days on fileTrades
2003791,620
20042486,873
200524711,742
200625118,017
200725121,651
200825324,361
20092355,311
20102497,964
20112458,745
20122315,900
20132366,406
201425214,117
20152438,319
201624113,740
2017251187,392
2018251136,643
201925240,025
202025334,119
202125267,745
202225137,116
202325025,641
202425237,291
202525047,669
202621494,619