QSI vs STLD (Quantum-Si Incorporated vs Steel Dynamics 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.
US Market Trading Session Active
Active trading session is live as of 3:37 PM ET. Prices update dynamically and reflect the latest trade records across major US exchanges. Official closing prices settle after 4:00 PM ET.
STLD leads by +1.37% Alpha Spread Today
QSI is trading at -2.56% while STLD is at -1.19% .
Started At
Official opening auction price
Last Recorded Trade Price
Last recorded trade as of 3:37 PM ET
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 | QSI | STLD | Head-to-Head Advantage |
|---|---|---|---|
| Today's Return | -2.56% | -1.19% | STLD +1.37% |
| Net Dollar Move | $-0.03 | $-2.87 | QSI higher move |
| Open Price | $1.18 | $241.12 | Gap: -3.28% vs 0.03% |
| Day High | $1.19 | $242.61 | Session peaks |
| Day Low | $1.09 | $237.14 | Session troughs |
| Intraday Spread | $0.10 | $5.47 | High/Low spread |
| Share Volume | 2.93M | 872.5K | QSI more active |
| Est. Dollar Volume | $3.49M | $207.81M | STLD higher liquidity |
Explore QSI vs STLD Over Extended Timeframes
Today's session isolates intraday momentum. Switch to normalized multi-day timeframes to analyze historical correlations, cumulative returns, and divergence charts.