ULBIVSWDC• Today (Normalized)

ULBI vs WDC (Ultralife Corporation vs Western Digital Corporation)

Showing Closing Date Range from Oct 1 to Oct 2, 2026.

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

TRADING IN PROGRESS US Eastern Time (ET)

US Market Trading Session Active

2:51 PM ET
2026-10-02

Active trading session is live as of 2:51 PM ET. Prices update dynamically and reflect the latest trade records across major US exchanges. Official closing prices settle after 4:00 PM ET.

Today's Alpha Margin

WDC leads by +0.53% Alpha Spread Today

ULBI is trading at +1.25% while WDC is at +1.78% .

ULBI (1.25%) WDC (1.78%)
Dominance Spread0.53% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

ULBI
Gap: +0.27 (4.38%)
$6.43
WDC
Gap: -2.66 (-0.59%)
$451.80
Baseline Prior Closes $6.16 vs $454.46
Card 2 • Execution LAST RECORDED

Last Recorded Trade Price

Last recorded trade as of 2:51 PM ET

ULBI
Latest snapshot
$6.46
WDC
Latest snapshot
$462.56
Verified Snapshot2:51 PM ET
Card 3 • Net Move WDC LEADING

Gained / Lost Today

Net return against previous session close

ULBI
+$0.08
+1.25%
WDC
+$8.10
+1.78%
Performance Lead +0.53% Advantage

Today's Trading Range Position

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

ULBI $6.46 (13% of range)
Low: $6.43High: $6.66
WDC $462.56 (96% of range)
Low: $440.05High: $463.55

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

ULBI Liquidity
Share Volume
53.5K
Est. Dollar Volume
$345.5K
WDC Liquidity
Share Volume
5.88M
Est. Dollar Volume
$2.72B

Session Ledger Comparison

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

MetricULBIWDCHead-to-Head Advantage
Today's Return+1.25% +1.78% WDC +0.53%
Net Dollar Move+$0.08+$8.10WDC higher move
Open Price$6.43$451.80 Gap: 4.38% vs -0.59%
Day High$6.66$463.55Session peaks
Day Low$6.43$440.05Session troughs
Intraday Spread$0.23$23.50High/Low spread
Share Volume53.5K5.88MWDC more active
Est. Dollar Volume$345.5K$2.72BWDC higher liquidity
Multi-Day Trajectory Charts•Interactive Historical Comparison

Explore ULBI vs WDC Over Extended Timeframes

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