Short Volume Ratio (SVR) measures the proportion of short selling in a day's trading volume. It doesn't tell you "whether to buy", but it can tell youhow active the shorts are today.
SVR = daily short selling volume ÷ daily total trading volume. The higher the ratio, the stronger the short participation. Note: short selling volume also includes normal market maker hedging, so it should be viewed together with the "off-exchange ratio", not just a single number.
① Individual stock SVR; ② Off-exchange short selling as a proportion of total short selling; ③ Multi-day trend changes of SVR; ④ Cross-reference with price, capital flow, and dark pool.
A high SVR with a high off-exchange ratio usually means pressure is more concentrated; a low SVR with a low off-exchange ratio means short participation is weaker. Trend is more important than a single-day value—continuous rise = shorts are adding positions; rapid decline = shorts are covering.
Seeing a high SVR and directly interpreting it as "it will fall" is a common misconception. Market maker hedging and index rebalancing can both push up short selling volume, so it must be judged together with price and capital flow.
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