ERO vs STDN (Ero Copper Corp. vs Standard Nuclear Inc.)
Showing Closing Date Range from Oct 6 to Oct 7, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
Before the Regular Session
Current time is 2:13 AM ET. The regular US trading session begins at 9:30 AM ET. Showing closing prices from the prior official trading session.
ERO leads by +3.42% Alpha Spread Today
ERO is trading at -3.03% while STDN is at -6.45% .
Started At
Official opening auction price
Previous Close
Baseline for today's market open
Gained / Lost Today
Net return against previous session close
Today's Trading Range Position
Where each asset is currently trading relative to its Day Low and Day High
Session Liquidity & Volume
Trading activity, share volume, and estimated dollar liquidity
Session Ledger Comparison
Direct side-by-side breakdown of today's key auction and price metrics
| Metric | ERO | STDN | Head-to-Head Advantage |
|---|---|---|---|
| Today's Return | -3.03% | -6.45% | ERO +3.42% |
| Net Dollar Move | $-1.15 | $-0.98 | STDN higher move |
| Open Price | $36.67 | $14.88 | Gap: -3.32% vs -2.04% |
| Day High | $37.12 | $15.05 | Session peaks |
| Day Low | $36.38 | $13.90 | Session troughs |
| Intraday Spread | $0.74 | $1.15 | High/Low spread |
| Share Volume | 910.3K | 448.6K | ERO more active |
| Est. Dollar Volume | $33.48M | $6.37M | ERO higher liquidity |
Explore ERO vs STDN Over Extended Timeframes
Today's session isolates intraday momentum. Switch to normalized multi-day timeframes to analyze historical correlations, cumulative returns, and divergence charts.