ASX Short Selling Open Data

Free programmatic access to ASIC short position data, stock prices, and director trades. Each dataset is published with Dataset schema for Google Dataset Search.

Update cadence

Daily after ASIC publication (T+4 delay).

License

CC-BY 4.0 — attribute Shorted.com.au + ASIC.

Top Shorted ASX Stocks

~900 stocks

Daily-updated rankings of the most shorted stocks on the Australian Securities Exchange, with current short interest percentage and historical time series. Sourced from official ASIC short position reports.

Temporal coverage
2010-06-01/..
RPC
GetTopShorts
Format
JSON over Connect-RPC
Variables (3)
  • productCodeASX stock codeticker
  • percentageShortedCurrent short interest %PERCENT
  • latestShortPositionReported short positionsshares

Historical ASX Short Positions Time Series

~2.1M rows

Daily time-series of ASIC-reported short positions for each ASX-listed security from 2010 onwards. Includes percentage of shares on issue held short and absolute reported short positions.

Temporal coverage
2010-06-01/..
RPC
GetStockData
Format
JSON over Connect-RPC
Variables (2)
  • timestampTrading dateISO-8601
  • shortPositionShort interest % on that datePERCENT

ASX Short Positions by Industry

~6,200 rows per period

Industry-aggregated short positions and short-interest changes across ASX sectors over user-selected periods (3m, 6m, 1y, 2y, 5y). Useful for sector-rotation analysis and macro short-selling research.

Temporal coverage
2010-06-01/..
RPC
GetIndustryTreeMap
Format
JSON over Connect-RPC
Variables (3)
  • industryGICS industry sectorname
  • percentageChangeShort interest change over periodPERCENT
  • currentShortPositionCurrent aggregated short %PERCENT

ASX Historical Stock Prices

~3.7M rows

Daily OHLCV (open, high, low, close, volume) historical stock prices for ASX-listed securities, used alongside short position data for correlation and event-study analysis.

Temporal coverage
2010-01-01/..
RPC
GetHistoricalPrices
Format
JSON over Connect-RPC
Variables (5)
  • dateTrading dateISO-8601
  • openOpening priceAUD
  • closeClosing priceAUD
  • adjustedCloseDividend & split adjusted closeAUD
  • volumeTrading volumeshares

ASX Director Trades & Insider Activity

Director and substantial-holder trades from ASX Appendix 3Y filings, tagged with stock code, trade type (buy/sell/exercise), share count and disclosed price. Useful for insider-sentiment research.

Temporal coverage
2015-01-01/..
RPC
GetDirectorTrades
Format
JSON over Connect-RPC
Variables (5)
  • directorNameTrading directorstring
  • tradeTypebuy / sell / exercise_optionsenum
  • sharesTradedVolume of the tradeshares
  • totalValueDisclosed total valueAUD
  • tradeDateTrade dateISO-8601

All datasets are derived from publicly-available sources (ASIC short position reports and ASX Appendix 3Y filings) and republished under CC-BY 4.0. When using this data in research or publications please cite both Shorted.com.au and ASIC.