hl2 ( String symbol , Any period , String priceType );
Default values:
symbol: getSymbol()
period: "<current period>"
priceType: "<current type>"
Description
Returns (High + Low)/2. You can use both Aggregation Period constants and pre-defined string values (e.g. Day, 2 Days, Week, Month, etc.) as valid parameters for the aggregation period. The full list of the pre-defined string values can be found in the Referencing Secondary Aggregation article.
Valid parameters for the price type are: LAST, ASK, BID, and MARK. Alternatively, you can use the PriceType constants.
Note that for non-Forex symbols, the last three are only supported on intraday charts with time interval not greater than 15 days.
Input parameters
| Parameter | Default value | Description |
|---|---|---|
| symbol | current symbol | Defines symbol for which the price is returned. |
| period | current aggregation | Defines aggregation period for which the price is returned. |
| priceType | current price type | Defines the type of price to be returned: Last, Ask, Bid, or Mark. |
Example
declare lower;
input symbol = "IBM";
input period = AggregationPeriod.WEEK;
plot MedianPrice = hl2(symbol, period);
This example script plots weekly median price for IBM.