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Check out our Dark Pool Levels

ALT
Altimmune, Inc. Common Stock
stock NASDAQ

At Close
Apr 28, 2026 3:59:52 PM EDT
2.72USD-2.857%(-0.08)4,837,742
2.34Bid   2.73Ask   0.39Spread
Pre-market
Apr 28, 2026 9:26:30 AM EDT
2.78USD-0.714%(-0.02)20,151
After-hours
Apr 28, 2026 4:57:30 PM EDT
2.77USD+1.812%(+0.05)16,826
OverviewOption ChainMax PainOptionsPrice & VolumeSplitsDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsTrends
ALT Reddit Mentions
Subreddits
Limit Labels     

We have sentiment values and mention counts going back to 2017. The complete data set is available via the API.
Take me to the API
ALT Specific Mentions
As of Apr 29, 2026 12:19:44 AM EDT (5 minutes ago)
Includes all comments and posts. Mentions per user per ticker capped at one per hour.
2 hr ago • u/SuperPalangi • r/Pmsforsale • wts_australia_swan_spider_chad_ai_tuvalu_bald • C
Fun fact, part 2 (electric boogaloo): ALT + 0163 gets you the symbol for British Pound - £
sentiment 0.51
6 hr ago • u/FaithlessnessOdd7454 • r/Pmsforsale • wts_australia_swan_spider_chad_ai_tuvalu_bald • C
🐟🐟
Fun fact:
if on windows and you press ALT + 0178 (assuming you have a number pad) you can type a superscript 2
e = mc²
sentiment 0.56
2 hr ago • u/SuperPalangi • r/Pmsforsale • wts_australia_swan_spider_chad_ai_tuvalu_bald • C
Fun fact, part 2 (electric boogaloo): ALT + 0163 gets you the symbol for British Pound - £
sentiment 0.51
6 hr ago • u/FaithlessnessOdd7454 • r/Pmsforsale • wts_australia_swan_spider_chad_ai_tuvalu_bald • C
🐟🐟
Fun fact:
if on windows and you press ALT + 0178 (assuming you have a number pad) you can type a superscript 2
e = mc²
sentiment 0.56


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