BIAF down 37.8% on Sep 8 2026 (dilution risk)
BIAF-37.8%on Tue Sep 8 2026
bioAffinity Technologies, Inc. Common Stock was down 37.8% on the day at $9.50, ranked #8 on 21.6× its usual five-minute volume, when TapeRank recorded this drop at 09:31 ET during regular hours. TapeRank recorded 2 events for BIAF that day, between 04:14 and 09:31 ET, and each is in the timeline below.
THE DAY ON THE LIST · 2 EVENTS
- 04:14 ETUNEXPLAINED MOVE · PRE-MARKET
$12.36 · ▼ 19.1% ON THE DAY · 3.7× 5M RVOL · RANK #13
UNEXPLAINEDNO FILINGS · RULEBIAF is down 22.3% on the day on 3.6x its normal volume for this time of day. No filings or headlines were found in SEC EDGAR filings in the last 24 hours, so this is order flow rather than a disclosed catalyst.
WHYNo filings or headlines within 24 hours of the move.ANALYZED 04:14 ET · <1 MIN AGO · RULE, NO MODELTHE ROW AND SESSION LEVELS AT 04:14 ET
LAST12.36DAY▼ 19.1%5 MIN▼ 3.87%5M RVOL3.7×5M $VOL$139KFLOAT*592KRANK#13SESSIONPRE-MARKETVWAP12.41HOD13.49LOD11.38OR HIGH—OR LOW—PREV CLOSE15.27PM HIGH13.49PM LOW11.38GAP▼ 22.01% (indicated)* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO
- 09:31 ETMOVER · REGULAR
$9.50 · ▼ 37.8% ON THE DAY · 21.6× 5M RVOL · RANK #8
DILUTION RISKCONFIDENCE3/5BIAF is down 37% at the open on extremely heavy volume immediately following a shelf registration statement being declared effective, which opens the door to new share issuance. There is no operational or business news disclosed to explain a move of this magnitude, so the sharp drop looks driven by dilution fears and order flow rather than a quantifiable fundamental event.
WHYA shelf effectiveness notice with no disclosed offering terms or size does not on its own justify a 37% single-day collapse, pointing to positioning and forced flow around the tiny float rather than the news itself.ANALYZED 09:31 ET · <1 MIN AGO · ANTHROPIC/CLAUDE-SONNET-5THE ROW AND SESSION LEVELS AT 09:31 ET
LAST9.50DAY▼ 37.8%5 MIN▼ 10.97%5M RVOL21.6×5M $VOL$581KFLOAT*592KRANK#8SESSIONREGULARVWAP11.21HOD13.49LOD9.50OR HIGH10.63OR LOW9.50PREV CLOSE15.27PM HIGH13.49PM LOW10.31GAP▼ 30.39%* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
THE SESSION
- 09:30 ETOpened at $10.63, -30.4% on the previous close of $15.27
- 09:30 ETRegular-session high, $10.63
- 09:57 ETRegular-session low, $8.36
- 15:59 ETLast trade of the regular session, $8.93, -41.5% on the previous close of $15.27
- Volume: 2.1M shares in regular hours, 224K before the open
BIAF was already down sharply in premarket, flagged unexplained at 04:14 ET near $12.36, before gapping open at $10.63, 30.4% below the prior close. The stock fell further to a low of $8.36 by 09:57 ET, with TapeRank at 09:31 ET pointing to dilution risk tied to a shelf registration statement declared effective the prior evening, noting the heavy volume but no operational news to justify the scale of the drop. With no halts in place, shares traded through the session to close at $8.93, finishing down 41.5% on the day.
WRITTEN THU OCT 15 2026 17:41 ET BY ANTHROPIC/CLAUDE-SONNET-5 FROM THE FACTS ON THIS PAGE
FILINGS · 24H BEFORE THE MOVE
- MON 20:15 ETEFFECT — Registration statement declared effectiveSEC EFFECT
On the tape right now
WHERE THE LIST STOODWED NOV 4 2026 · 13:49 ETRECORDED LIVE · 742 QUALIFY
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