getShortVolume
Reg SHO daily short sale volume — the portion of a day's OFF-EXCHANGE volume flagged as short sales. This is not short interest and not a percent of total market volume: FINRA covers only trades reported to its Trade Reporting Facilities, roughly 35-52% of consolidated volume. A ratio near 50% is...
This record as markdown: /tools/com-api-ninjas-mcp/getshortvolume.md
What getShortVolume does on API Ninjas
AI agents call getShortVolume to retrieve information from API Ninjas without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | integer | — | Number of trading days to return, 1 to 250. Defaults to 30. The free tier is limited to the latest day. |
ticker | string | Yes | The stock or ETF ticker symbol (e.g., GME). |
Parameters from the server's own tool schema.
Why getShortVolume is rated Low
Even though getShortVolume only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs getShortVolume safely
PolicyLayer is an MCP gateway: it sits between your AI agents and API Ninjas, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getShortVolume, this is the rule to start with:
getShortVolume is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect API Ninjas, apply this rule, and every getShortVolume call is checked against it from then on.
Questions about getShortVolume
Reg SHO daily short sale volume — the portion of a day's OFF-EXCHANGE volume flagged as short sales. This is not short interest and not a percent of total market volume: FINRA covers only trades reported to its Trade Reporting Facilities, roughly 35-52% of consolidated volume. A ratio near 50% is normal and mostly reflects wholesalers filling retail buy orders from inventory. Updated every trading day, so it moves between bi-weekly short interest readings. It is categorised as a Read tool in the API Ninjas MCP Server, which means it retrieves data without modifying state.
getShortVolume accepts 2 parameters: limit, ticker. Required: ticker. The full parameter table on this page comes from the server's own tool schema.
Register the API Ninjas MCP server in PolicyLayer and add a rule for getShortVolume: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches API Ninjas. Nothing to install.
getShortVolume is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the getShortVolume rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for getShortVolume. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
getShortVolume is provided by the API Ninjas MCP server (https://mcp.api-ninjas.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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