Volume (On Demand)
Returns the trading volume for a stock or option contract using QuoteMedia's on-demand data service.
Supported Symbol Formats
| Type | Format | Example |
|---|---|---|
| US Stocks | SYMBOL | AAPL, MSFT |
| ETFs | SYMBOL | SPY, QQQ |
| Options (OCC) | SYMBOL+YYMMDD+C/P+STRIKE | AAPL240315C00170000 |
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| Symbol | String | Yes | Stock ticker or OCC option symbol |
Notes
- Volume represents the number of shares/contracts traded
- For stocks: number of shares
- For options: number of contracts
- Volume resets at market open each day
Important: Volume Includes Pre-Market & Post-Market
The volume returned by this function includes all trading sessions — pre-market, regular hours, and post-market. It is not limited to regular session (9:30 AM – 4:00 PM ET) volume.
To calculate regular session volume only, subtract pre-market and post-market volume from the total.
Examples
When to Use
- Assess trading activity and liquidity
- Identify unusual volume spikes
- Volume analysis for trading decisions
- Monitor market interest in a security
When NOT to Use
| Scenario | Use Instead |
|---|---|
| Need streaming volume | QM_Stream_Volume() |
| Need average daily volume | AverageDailyVolume() |
| Need volume over time | QM_GetHistory() |
Common Issues & FAQ
Q: Why is volume zero or very low? A: This may indicate:
- Market is closed or pre/post market hours
- Illiquid security
- Data delay
Q: What's the difference between QM_Volume and Volume?
A: QM_Volume() uses QuoteMedia data on-demand, while Volume() may use different data sources.
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