Why is $MIAX stock moving today?
Miami International Holdings, Inc. · SECURITY BROKERS, DEALERS & FLOTATION COMPANIES
Why is $MIAX moving today?
The likely driver
MIAMI INTERNATIONAL HOLDINGS, INC.: Q2 FY2026 results, three months to Jun 30, 2026
MIAMI INTERNATIONAL HOLDINGS, INC.: Q2 FY2026 results, three months to Jun 30, 2026
SEC filing · Aug 7
The numbers behind the move
Short interest
72.3% of float
Days to cover
5.6d
Float
9.4M · High
Float rotation
0.7x
MIAX: 72.3% of the float is sold short (5.6 days to cover).
Price
$38.79
Move today
+0.0%
Volume vs avg
0.2x
Scanner alerts today
0
Flagged in 30 days
152
Market cap
$3.8B
Prev close
$38.79
Avg volume
1.7M
Nothing has triggered on MIAX yet in this session. Our scanner has flagged it 152 times in the last 30 days , most recently on September 18 for big percentage moves, unusual volume, which is why this page is here. See the full MIAX page for the chart and the alert history.
Other stocks moving today
Each opens that stock’s own why-is-it-moving page.
Move and volume are based on the latest market data and refresh live on this page. Scanner alerts are our own real-time unusual-volume signals. This is research, not investment advice.