Saturday, October 31, 2026
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Data updated Oct 31, 2026·New filings added every weekday·Weekly prices as of Oct 2·What changed·
SEC fails-to-deliver data

Fails to Deliver: Short Squeeze Watch

When a sale settles and the seller does not hand over the shares, it is a 'fail to deliver'. A sudden jump in fails can point to heavy short selling that sellers struggle to cover, one of the ingredients of a short squeeze.

The data will appear after the next update.

From the SEC's fails-to-deliver files, published twice a month with a delay of about two weeks. Fails can also come from paperwork delays and options activity, so a spike is a reason to look closer, not proof of anything. Only stocks with at least $250,000 of daily fails are listed.

Examples

  • In January 2021 GameStop had millions of shares failing to deliver in the days before its famous short squeeze. The SEC later studied the episode in a staff report.

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