The number of shares sold short on the New York Stock Exchange reached an all-time high in late September, with aggregate short interest exceeding 21 billion shares, according to EPFR.
The firm’s global market intelligence team reported a 2.7% increase in short positions in its latest semi-monthly data, marking the first time the total has crossed the 21 billion-share level.
EPFR said the continuing rise in short interest could be interpreted positively by investors who assess market positioning from a contrarian perspective.
Record Short Interest Extends Longer-Term Trend
The latest NYSE short-interest figures indicate that bearish positioning continued to increase during the second half of September.
EPFR reported that the longer-term trajectory of short interest also remains upward.
Short interest measures the number of shares investors have sold short and have not yet repurchased to close their positions. These transactions generally reflect expectations of lower share prices, although short positions may also be used for hedging purposes.
EPFR characterised the record positioning as a potentially favourable contrarian indicator.
The interpretation reflects the possibility that existing short positions could generate buying demand if investors subsequently repurchase shares to close their positions.
The data, however, provide no indication of when such activity might take place or how it would affect broader equity indices.
Nasdaq 100 Falls as Technology Stocks Retreat
The increase in short interest coincided with a period of renewed selling in US technology equities.
The Nasdaq 100 declined 2% on Wednesday, while futures linked to the index fell more than 1% in early Thursday trading.
These movements extended a reversal in technology shares following gains earlier in the year associated with artificial intelligence investment.
Questions about the sustainability of AI demand have featured in the broader market environment during the period.
Although the NYSE short-interest figures and Nasdaq 100 declines occurred within the same general timeframe, the available information does not demonstrate that one development caused the other.
Market Positioning Remains in Focus
EPFR’s analysis places the record short-interest level within a longer-term increase in bearish market positioning.
The firm’s contrarian interpretation differs from the conventional view that rising short interest reflects expectations of lower equity prices.
Both interpretations concern investor positioning rather than confirmed future market movements.
With more than 21 billion NYSE-listed shares held short at the end of the reporting period, the latest EPFR data provide a measure of positioning as US technology equities experience renewed price fluctuations.
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