AMSCVSSRFM• Today (Normalized)
American Superconductor Corporation logo
Surf Air Mobility Inc. logo

AMSC vs SRFM (American Superconductor Corporation vs Surf Air Mobility 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

2:58 PM 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

AMSC leads by +14.98% Alpha Spread Today

AMSC is trading at +3.04% while SRFM is at -11.94% .

AMSC (3.04%) SRFM (-11.94%)
Dominance Spread14.98% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

AMSC
Gap: +0.66 (2.30%)
$29.32
SRFM
Gap: +0.01 (1.72%)
$0.59
Baseline Prior Closes $28.66 vs $0.58
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

AMSC
Settled close
$29.53
SRFM
Settled close
$0.51
Verified Snapshot2:58 PM ET
Card 3 • Net Move AMSC LEADING

Gained / Lost Today

Net return against previous session close

AMSC
+$0.87
+3.04%
SRFM
$-0.07
-11.94%
Performance Lead +14.98% Advantage

Today's Trading Range Position

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

AMSC $29.53 (81% of range)
Low: $28.97High: $29.66
SRFM $0.51 (11% of range)
Low: $0.50High: $0.59

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

AMSC Liquidity
Share Volume
394.2K
Est. Dollar Volume
$11.64M
SRFM Liquidity
Share Volume
4.44M
Est. Dollar Volume
$2.27M

Session Ledger Comparison

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

MetricAMSCSRFMHead-to-Head Advantage
Today's Return+3.04% -11.94% AMSC +14.98%
Net Dollar Move+$0.87$-0.07AMSC higher move
Open Price$29.32$0.59 Gap: 2.30% vs 1.72%
Day High$29.66$0.59Session peaks
Day Low$28.97$0.50Session troughs
Intraday Spread$0.69$0.09High/Low spread
Share Volume394.2K4.44MSRFM more active
Est. Dollar Volume$11.64M$2.27MAMSC higher liquidity
Multi-Day Trajectory ChartsInteractive Historical Comparison

Explore AMSC vs SRFM Over Extended Timeframes

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