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Halts & Listings

When an exchange freezes trading in a stock — for pending news, a compliance problem, or a violent price move — it shows up here within a minute, with the reason in plain English. Below it: the stocks under short-selling stress and companies drifting toward delisting.

applies to every section
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Halted right now
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Halts · last 7 days
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On Reg SHO list
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Listing changes
Halted right now 0

Nothing is halted at the moment for this ticker. When a halt hits, the stock appears here with the reason — until then, recent history is below.

Halt history 25
StatusHaltedTickerCompanyReasonResumed
ResumedAug 3, 3:27 PM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 3:32 PM ET
ResumedAug 3, 3:00 PM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 3:05 PM ET
ResumedAug 3, 1:31 PM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 1:36 PM ET
ResumedAug 3, 1:23 PM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 1:28 PM ET
ResumedAug 3, 12:39 PM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 12:44 PM ET
ResumedAug 3, 12:31 PM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 12:36 PM ET
ResumedAug 3, 12:26 PM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 12:31 PM ET
ResumedAug 3, 12:20 PM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 12:25 PM ET
ResumedAug 3, 11:46 AM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 11:51 AM ET
ResumedAug 3, 11:33 AM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 11:38 AM ET
ResumedAug 3, 11:26 AM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 11:31 AM ET
ResumedAug 3, 11:08 AM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 11:13 AM ET
ResumedAug 3, 10:53 AM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 10:58 AM ET
ResumedAug 3, 10:48 AM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 10:53 AM ET
ResumedAug 3, 10:41 AM ET$HYFMHydrofarm Holdings Group Cm StLUDP Volatility pauseAug 3, 10:46 AM ET
What the reasons mean
T1 News pending — trading frozen until the company releases material news; expect a gap on reopen.
H10 SEC suspension — the most serious flag, usually suspected fraud; stocks typically reopen much lower.
H4 · H9 · T12 Compliance trouble — listing violations or overdue filings; a delisting-risk warning.
LUDP · T5 Volatility pause — automatic circuit breaker after a sharp move; routine, resumes in minutes.
Reg SHO threshold list 0

Every stock here has had short sales failing to settle for 5+ straight days — a sign of aggressive or stressed short selling. Squeeze traders watch this list because brokers are forced to buy back those failed positions, which can push the price up. Days-to-cover and short interest show how crowded the short side already is.

No current members matching the filter.

Listing changes 0

Nasdaq quietly flags companies that break listing rules — Deficient, Delinquent or Bankrupt — in its daily symbol file, often before any press release. New flags, delistings and fresh listings appear here as we detect them.

No listing changes captured yet — tracking started Jul 5, 2026. New flags and delistings will appear within hours of Nasdaq publishing them.

Halts & Listings Intelligence

Real-time trading halts, Reg SHO threshold membership, and listing-status changes.

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