HTFLVSMDAI• Today (Normalized)
Heartflow Inc. logo
Spectral AI Inc. logo

HTFL vs MDAI (Heartflow Inc. vs Spectral AI Inc.)

Showing Closing Date Range from Sep, 10 to Sep, 11, 2026.

Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.

WEEKEND • MARKETS CLOSED US Eastern Time (ET)

Weekend Market Recess

2:53 AM ET
2026-09-12

US markets are closed for the weekend. Displaying the most recent finalized trading session. Next regular session opens Monday at 9:30 AM ET.

Today's Alpha Margin

HTFL leads by +7.09% Alpha Spread Today

HTFL is trading at +9.65% while MDAI is at +2.56% .

HTFL (9.65%) MDAI (2.56%)
Dominance Spread7.09% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

HTFL
Gap: +0.62 (1.36%)
$46.11
MDAI
Gap: +0.01 (0.64%)
$1.57
Baseline Prior Closes $45.49 vs $1.56
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

HTFL
Settled close
$49.88
MDAI
Settled close
$1.60
Verified Snapshot2:53 AM ET
Card 3 • Net Move HTFL LEADING

Gained / Lost Today

Net return against previous session close

HTFL
+$4.39
+9.65%
MDAI
+$0.04
+2.56%
Performance Lead +7.09% Advantage

Today's Trading Range Position

Where each asset is currently trading relative to its Day Low and Day High

HTFL $49.88 (92% of range)
Low: $45.60High: $50.23
MDAI $1.60 (60% of range)
Low: $1.57High: $1.62

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

HTFL Liquidity
Share Volume
2.21M
Est. Dollar Volume
$110.39M
MDAI Liquidity
Share Volume
116.8K
Est. Dollar Volume
$186.9K

Session Ledger Comparison

Direct side-by-side breakdown of today's key auction and price metrics

MetricHTFLMDAIHead-to-Head Advantage
Today's Return+9.65% +2.56% HTFL +7.09%
Net Dollar Move+$4.39+$0.04HTFL higher move
Open Price$46.11$1.57 Gap: 1.36% vs 0.64%
Day High$50.23$1.62Session peaks
Day Low$45.60$1.57Session troughs
Intraday Spread$4.63$0.05High/Low spread
Share Volume2.21M116.8KHTFL more active
Est. Dollar Volume$110.39M$186.9KHTFL higher liquidity
Multi-Day Trajectory ChartsInteractive Historical Comparison

Explore HTFL vs MDAI Over Extended Timeframes

Today's session isolates intraday momentum. Switch to normalized multi-day timeframes to analyze historical correlations, cumulative returns, and divergence charts.