Availability

API TraderAPI QuantAPI Developer

Access detailed insights into share availability for short selling. This endpoint offers transparency into the estimated number of shares available to borrow and how that compares to current short interest levels, helping you gauge market supply dynamics.

Available Data Points:

  • Date: Date for the availability data. (YYYY-MM-DD format).
  • Availability Shares: The estimated number of shares available to borrow for short selling, based on market utilization and reported availability.
  • Availability Percentage of Short Interest: The availability shares expressed as a percentage of estimated short interest, indicating how much of the short demand could be covered by borrowable supply.

Try it out! You can test the API with the trial key TEST. Simply include it in your request headers; either here, or add the header "Ortex-Api-Key": "TEST" to your http request.

Trial key restrictions: Trial keys may be limited to a specific date range and set of regions. Requests outside the allowed regions or entirely outside the allowed date range are rejected; a date window that partially overlaps the allowed range is trimmed to it, reported in meta.restriction.

Get full access! Get a key at app.ortex.com/apis

Path Params
string
required

Where to find the instrument: a venue (exchange symbol, MIC or ISO-2 country) or an identifier scheme (tid, sid, cid, isin, figi). See Identifying an instrument.

string
required

The ticker on that venue, or the value in that scheme. An ISIN, sid, cid or share-class FIGI answers for the main listing only; reference/listings lists the others. See Identifying an instrument.

Query Params
date
required

Inclusive start of the returned date window. Format: YYYY-MM-DD.

Also selects the instrument: the ticker resolves to the listing that held it on the exchange in the URL path on this date. To retrieve a delisted or renamed company, use its former exchange and ticker with a from_date from when it was listed. An identifier path (/stock/isin|figi|sid|cid/<value>/…) resolves at this date too. The instrument block in the response names the company the data belongs to.

date

Inclusive end of the returned date window (defaults to today). Format: YYYY-MM-DD.

boolean
Defaults to true

Whether share counts — and, on the closing-prices endpoints, prices and volumes — are adjusted to today's terms (default) or returned as-was on the data date. Pass false for unadjusted (as-was) values.

integer

Page number within the paginated result set. Must be >= 1. Defaults to 1.

integer

Number of rows per page. The default and the maximum allowed depend on the API tier; a value above the tier maximum is rejected with 400 invalidPageSize.

string
enum
Defaults to json

Response format. "json" (default) or "csv".

Allowed:
Headers
string
enum
Defaults to application/json

Generated from available response content types

Allowed:
Responses

Language
Credentials
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Response
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application/json
text/csv