CATVSERO• Today (Normalized)
Caterpillar Inc. logo
Ero Copper Corp. logo

CAT vs ERO (Caterpillar Inc. vs Ero Copper Corp.)

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

7:44 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

CAT leads by +0.29% Alpha Spread Today

CAT is trading at +1.69% while ERO is at +1.40% .

CAT (1.69%) ERO (1.40%)
Dominance Spread0.29% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

CAT
Gap: +12.75 (1.58%)
$817.75
ERO
Gap: +0.38 (1.09%)
$35.36
Baseline Prior Closes $805.00 vs $34.98
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

CAT
Settled close
$818.57
ERO
Settled close
$35.47
Verified Snapshot7:44 PM ET
Card 3 • Net Move CAT LEADING

Gained / Lost Today

Net return against previous session close

CAT
+$13.57
+1.69%
ERO
+$0.49
+1.40%
Performance Lead +0.29% Advantage

Today's Trading Range Position

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

CAT $818.57 (41% of range)
Low: $813.51High: $826.00
ERO $35.47 (49% of range)
Low: $34.92High: $36.05

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

CAT Liquidity
Share Volume
1.82M
Est. Dollar Volume
$1.49B
ERO Liquidity
Share Volume
952.5K
Est. Dollar Volume
$33.79M

Session Ledger Comparison

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

MetricCATEROHead-to-Head Advantage
Today's Return+1.69% +1.40% CAT +0.29%
Net Dollar Move+$13.57+$0.49CAT higher move
Open Price$817.75$35.36 Gap: 1.58% vs 1.09%
Day High$826.00$36.05Session peaks
Day Low$813.51$34.92Session troughs
Intraday Spread$12.49$1.13High/Low spread
Share Volume1.82M952.5KCAT more active
Est. Dollar Volume$1.49B$33.79MCAT higher liquidity
Multi-Day Trajectory ChartsInteractive Historical Comparison

Explore CAT vs ERO Over Extended Timeframes

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