TAPERANK
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RECORDED DAYS

QSIQuantum-Si Incorporated Class A Common Stock

12 events recorded by TapeRank over 10 trading days between Sep 29 2026 and Oct 30 2026. A day with a halt or a verdict the model wrote has a page of its own: the row as it stood at each event, the verdict that existed then, and the sources behind it. The other days are summarized here. Nothing is filled in afterwards.

  1. FRI OCT 30 202609:36 ET · REGULARUNEXPLAINED MOVEQSI down 15.4% on Oct 30 2026No verdict was committed for this move.-15.4%NO VERDICT
  2. TUE OCT 27 202611:26 ET · REGULARUNEXPLAINED MOVEQSI up 15.8% on Oct 27 2026 with no filing that explains itQSI is up 11.6% on the day on 6.6x its normal volume for this time of day. No filings or headlines were found in SEC EDGAR filings and Benzinga wire headlines in the last 24 hours, so this is order flow rather than a disclosed catalyst.+15.8%UNEXPLAINED
  3. FRI OCT 23 202613:04 ET · REGULARUNEXPLAINED MOVE · MOVERQSI up 15.6% on Oct 23 202613:04 ET · UNEXPLAINED MOVE · +15.6%13:56 ET · MOVER · +20.3%QSI is up 20.0% on the day on 15.0x its normal volume for this time of day. No filings or headlines were found in SEC EDGAR filings and Benzinga wire headlines in the last 24 hours, so this is order flow rather than a disclosed catalyst.+15.6%NO VERDICT
  4. FRI OCT 16 202614:56 ET · REGULARUNEXPLAINED MOVEQSI down 15.3% on Oct 16 2026No verdict was committed for this move.-15.3%NO VERDICT
  5. FRI OCT 9 202610:03 ET · REGULARMOVERWhy QSI rose 20.1% on Oct 9 2026: proteus milestone+20.1%STRETCHED
  6. MON OCT 5 202610:13 ET · REGULARUNEXPLAINED MOVEQSI down 15.5% on Oct 5 2026No verdict was committed for this move.-15.5%NO VERDICT
  7. FRI OCT 2 202609:42 ET · REGULARUNEXPLAINED MOVEQSI down 15.0% on Oct 2 2026 with no filing that explains itQSI is down 10.8% on the day on 11.3x its normal volume for this time of day. No filings or headlines were found in SEC EDGAR filings and Benzinga wire headlines in the last 24 hours, so this is order flow rather than a disclosed catalyst.-15.0%UNEXPLAINED
  8. THU OCT 1 202605:06 ET · PRE-MARKETUNEXPLAINED MOVE · MOVERQSI up 15.9% on Oct 1 202605:06 ET · UNEXPLAINED MOVE · +15.9%09:57 ET · MOVER · +21.0%QSI is up 27.1% on the day on 50.0x its normal volume for this time of day. No filings or headlines were found in SEC EDGAR filings and Benzinga wire headlines in the last 24 hours, so this is order flow rather than a disclosed catalyst.+15.9%NO VERDICT
  9. WED SEP 30 202609:57 ET · REGULARUNEXPLAINED MOVEQSI up 15.9% on Sep 30 2026 with no filing that explains itQSI is up 4.4% on the day on 8.7x its normal volume for this time of day. No filings or headlines were found in SEC EDGAR filings and Benzinga wire headlines in the last 24 hours, so this is order flow rather than a disclosed catalyst.+15.9%UNEXPLAINED
  10. TUE SEP 29 202610:39 ET · REGULARMOVERWhy QSI rose 20.2% on Sep 29 2026: interim development results+20.2%JUSTIFIED

On the tape right now

WHERE THE LIST STOODWED NOV 4 2026 · 13:49 ETRECORDED LIVE · 742 QUALIFY

01
ECGSURGING 0:05
79.71
▼ 29.3%
▼ 1.41%
41.0×
FAD
$6.2M
51.1M*
STRETCHED
02
CAVASURGING 0:00
64.78
▲ 7.4%
▲ 1.30%
9.3×
ORBHODVWH
$11.6M
116.8M*
UNEXPLAINED
03
URGNSURGING 0:00
29.16
▼ 15.2%
▼ 1.29%
15.6×
FAD
$1.4M
48.9M*
JUSTIFIED
04
MPTISURGING 0:00
64.15
▼ 1.5%
▲ 0.96%
23.8×
VWH
$637K
4.3M*
UNEXPLAINED
05
LSPDSURGING 0:00
11.52
▲ 4.9%
▼ 1.24%
16.5×
ORB
$426K
133.3M*
UNEXPLAINED
06
CRCTSURGING 0:00
8.90
▲ 49.2%
▼ 0.72%
15.1×
GAPORBVWHEXT
$395K
54.7M*
STRETCHED
07
BROSSURGING 0:00
43.97
▲ 0.9%
▼ 0.91%
4.0×
FAD
$4.3M
137.9M*
UNEXPLAINED
08
LMRICOOLING 1:35
12.85
▲ 14.5%
▲ 1.06%
132×
ORBHODVWH
$1.7M
—
UNEXPLAINED
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