How to Get Ask Volume Thinkscript

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Introduction

To get the ask volume in Thinkscript, you can use the [tick_count](prompt://ask_markdown?question=tick_count) function with the [PriceType.ASK](prompt://ask_markdown?question=PriceType.ASK) parameter.
The tick_count function returns the number of ticks (trades) for a specified price type within a given aggregation period.
You can specify the aggregation period using constants like [AggregationPeriod.MIN](prompt://ask_markdown?question=AggregationPeriod.MIN), [AggregationPeriod.TWO_MIN](prompt://ask_markdown?question=AggregationPeriod.TWO_MIN), etc.
For example, to get the ask volume for a 15-minute period, you can use the following code: def ASK = tick_count(priceType = PriceType.ASK, period = [AggregationPeriod.FIFTEEN_MIN](prompt://ask_markdown?question=AggregationPeriod.FIFTEEN_MIN));
This function works well on time-based charts but may not be effective on tick charts due to data limitations.
You can plot the ask volume using the plot function and customize the appearance with [SetLineWeight](prompt://ask_markdown?question=SetLineWeight) and [AssignValueColor](prompt://ask_markdown?question=AssignValueColor).

Function: tick_count is used to count the number of ticks (trades) for a specified price type.
Parameters: It accepts priceType and period as parameters.
Price Types: Valid price types include ASK, BID, LAST, and MARK.
Usage: Commonly used in custom quotes, study alerts, and conditional orders.
Example: def ASK = tick_count(priceType = PriceType.ASK, period = AggregationPeriod.FIFTEEN_MIN);

Definition: Aggregation periods define the time frame for which data is aggregated.
Constants: Use constants like AggregationPeriod.MIN, AggregationPeriod.TWO_MIN, etc.
Pre-defined Values: String values like Day, Week, Month can also be used.
Example: def ASK = tick_count(priceType = PriceType.ASK, period = AggregationPeriod.FIFTEEN_MIN);
Limitations: For non-Forex symbols, certain price types are only supported on intraday charts with a time interval not greater than 15 days.

Basic Example: def ASK = tick_count(priceType = PriceType.ASK, period = AggregationPeriod.FIFTEEN_MIN);
Plotting: Use plot to visualize the data, e.g., plot a = ASK;
Customization: Adjust line weight with SetLineWeight and colors with AssignValueColor.
Sanity Check: Add labels for debugging, e.g., addLabel(yes, concat("Ask Volume: ", ASK));
Advanced Example: Combine with other indicators for more complex studies.

Tick Charts: tick_count may not work effectively on tick charts due to data limitations.
Equities: May not work well with equities if there is insufficient data.
Time Input: The function requires a time input, which limits its use on non-time-based charts.
Data Delay: There may be delays in data, especially for Level 2 data.
Workarounds: Use time-based charts and ensure sufficient data for accurate results.

Line Weight: Adjust using SetLineWeight, e.g., a.SetLineWeight(5);
Colors: Use AssignValueColor to set colors based on conditions.
Labels: Add labels for additional information, e.g., addLabel(yes, concat("Ask Volume: ", ASK));
Histograms: Use SetPaintingStrategy(PaintingStrategy.HISTOGRAM) for histogram plots.
Combining Indicators: Combine with other indicators for more comprehensive analysis.