Developing storyline

August short-interest surges across ETFs and microcap stocks

A wave of August short-interest reports shows dramatic swings—sharp declines in short bets on several niche ETFs alongside explosive spikes in short interest for small- and micro-cap stocks—highlighting shifting investor positioning heading into September.

2 stories1388 sourcesUpdated Aug 29, 2026

In this storyline:Tsingtao Brewery CTF Services Limited

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Key developments

Aug 29, 2026
Several niche ETFs, including Alpha Architect Tail Risk (CAOS) and Alpha Architect Aggregate Bond (BOXA), see short interest plunge 90-99% in August as days-to-cover shrink sharply.
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Aug 29, 2026
Multiple small- and micro-cap stocks, including NWS Holdings, SHF Holdings and Tsingtao Brewery, post extreme August short-interest spikes ranging from thousands to over a million percent.
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Finance

Alpha Architect ETFs Report Sharp August Short-Interest Decline

Several ETFs saw substantial cuts to short interest in August, signaling shifts in investor positioning: Alpha Architect Tail Risk ETF (CAOS) saw short interest plunge about 90.9%, Alpha Architect Aggregate Bond ETF (BOXA) fell roughly 96.2%, Abacus FCF International Leaders ETF (ABLG) dropped about 96.7%, Cultivar ETF (CVAR) declined around 98.7%, and FT Vest U.S. Equity Moderate Buffer ETF – March (GMAR) decreased by roughly 99.1%. Across these funds, short-selling activity and days-to-cover shrank dramatically as traders recalibrated risk exposures and liquidity moves persisted.

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Finance

August short interest surges across microcaps

Multiple small- and micro-cap stocks saw extreme jumps in short interest in August, including NWS Holdings, SHF Holdings, Wanderport, XChange TEC.INC, and Tsingtao Brewery, with percentage increases ranging from thousands to over a million percent and varied days-to-cover. The reports also note minimal trading activity for some of these names, with days-to-cover values spanning from 0.0 to 10.7 days depending on the issue.

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