Glossary Detail: OHLC
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Backtesting OHLC on High-Beta Names
Open, High, Low, Close — the four key price points for any trading period.
Further Details:
OHLC stands for Open, High, Low, and Close. These are the four price data points recorded for each trading period (day, hour, minute). The Open is the first trade price, High is the maximum, Low is the minimum, and Close is the final trade price.