EROVSMERC• Today (Normalized)
Ero Copper Corp. logo
Mercer International Inc. logo

ERO vs MERC (Ero Copper Corp. vs Mercer International 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

6:27 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

MERC leads by +1.23% Alpha Spread Today

ERO is trading at +1.40% while MERC is at +2.63% .

ERO (1.40%) MERC (2.63%)
Dominance Spread1.23% Spread
Card 1 • Session Start 9:30 AM ET OPEN

Started At

Official opening auction price

ERO
Gap: +0.38 (1.09%)
$35.36
MERC
Gap: +0.00 (0.00%)
$0.38
Baseline Prior Closes $34.98 vs $0.38
Card 2 • Execution OFFICIAL CLOSE

Closed At

Finalized regular session close

ERO
Settled close
$35.47
MERC
Settled close
$0.39
Verified Snapshot6:27 PM ET
Card 3 • Net Move MERC LEADING

Gained / Lost Today

Net return against previous session close

ERO
+$0.49
+1.40%
MERC
+$0.01
+2.63%
Performance Lead +1.23% Advantage

Today's Trading Range Position

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

ERO $35.47 (49% of range)
Low: $34.92High: $36.05
MERC $0.39 (100% of range)
Low: $0.37High: $0.39

Session Liquidity & Volume

Trading activity, share volume, and estimated dollar liquidity

ERO Liquidity
Share Volume
952.5K
Est. Dollar Volume
$33.79M
MERC Liquidity
Share Volume
1.23M
Est. Dollar Volume
$481.6K

Session Ledger Comparison

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

MetricEROMERCHead-to-Head Advantage
Today's Return+1.40% +2.63% MERC +1.23%
Net Dollar Move+$0.49+$0.01ERO higher move
Open Price$35.36$0.38 Gap: 1.09% vs 0.00%
Day High$36.05$0.39Session peaks
Day Low$34.92$0.37Session troughs
Intraday Spread$1.13$0.02High/Low spread
Share Volume952.5K1.23MMERC more active
Est. Dollar Volume$33.79M$481.6KERO higher liquidity
Multi-Day Trajectory ChartsInteractive Historical Comparison

Explore ERO vs MERC Over Extended Timeframes

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