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Short sale Balance of Margin Trading and SBL
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The information provided below is available since 2006/01.

Note:
  1. Starting on March 19, 2012, the new formula and the information disclosure rule shall apply to SBL short sale balance.
  2. SBL short sale Balance ＝Balance (T-1)＋Sell (T)－Return (T)＋Adjustment (T).
  3. The number of shares in SBL short sale includes the number of shares in block trading.
  4. The amount of Adjustment (T) includes: mutual adjustments of securities trading among (standard positions), (margin positions) and (securities borrowing positions) in TPEx and out-trade adjustments.
  5. Available volumes for SBL short sale: Starting on April 7, 2025, the volume of intraday securities borrowing orders may not exceed 3% of the average daily trading volume over the previous 30 trading days of the securities. For credit line limit allocation, available volumes for SBL short sale are calculated according to the “total volume control” rule.
  6. Illustration (
    • X - suspension of margin trading short sale,
    • Y – ineligible for margin trading,
    • V - suspension of SBL short sell owning to being ineligible for securities borrowing while the securities borrowing balance become zero,
    • % - credit line limit allocation,
    • Z - suspension of SBL short sell owing to reaching the available volumes or newly TPEx securities without available volumes
    • ! - suspended trading securities
    ).
  7. Starting on January 1, 2014, Securities firms and futures proprietary traders conducting the SBL short sell owning to the hedging needs of specific business may exempt from the available volumes. As a result, the SBL short sell volumes may exceed available volumes.
  8. Applying to the TWSE’s daily work schedule, the information will be updated at about 20:30 and 22:30.
  9. If there were Newly added Altered Trading Securities, you would find a “Query” shown above, please click it to see the securities list. In addition, you can find the historical data on this link.If the abovementioned securities are eligible for margin trading, they shall be suspended.