QSIVSSTLD• 3 Months (Normalized)
QSI vs STLD (Quantum-Si Incorporated vs Steel Dynamics Inc.)
Showing Closing Date Range from Jul 8 to Oct 6, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
QSI Performance $1.22
+33.63%
Quantum-Si Incorporated
Normalized Baseline0.00%
STLD Performance $238.17
+4.11%
Steel Dynamics Inc.
Normalized Baseline0.00%
Alpha Spread Margin QSI LEADS
+29.52 pts
QSI outperforming by 29.52 percentage points
QSISTLD
Spread Trajectory3 Months (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
QSI STLD
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(64 dates)
| Date | QSI Price | QSI Gain (%) | STLD Price | STLD Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 06, 2026 | $1.22 | +33.63% | $238.17 | +4.11% | +29.52% |
| Oct 05, 2026 | $1.28 | +40.20% | $241.04 | +5.37% | +34.83% |
| Oct 02, 2026 | $1.55 | +69.77% | $231.99 | +1.41% | +68.36% |
| Oct 01, 2026 | $1.43 | +56.63% | $- | - | |
| Sep 30, 2026 | $1.07 | +17.20% | $- | - | |
| Sep 29, 2026 | $0.96 | +4.93% | $221.90 | -3.00% | +7.93% |
| Sep 28, 2026 | $0.80 | -12.92% | $230.39 | +0.71% | -13.63% |
| Sep 25, 2026 | $0.79 | -13.89% | $233.66 | +2.14% | -16.03% |
| Sep 24, 2026 | $0.79 | -14.02% | $235.20 | +2.82% | -16.84% |
| Sep 23, 2026 | $0.76 | -16.87% | $234.29 | +2.42% | -19.29% |
| Sep 22, 2026 | $0.79 | -14.02% | $233.99 | +2.29% | -16.31% |
| Sep 21, 2026 | $0.76 | -17.20% | $229.99 | +0.54% | -17.74% |
| Sep 18, 2026 | $0.75 | -18.40% | $235.26 | +2.84% | -21.24% |
| Sep 17, 2026 | $0.77 | -15.66% | $245.35 | +7.25% | -22.91% |
| Sep 16, 2026 | $0.73 | -20.04% | $238.23 | +4.14% | -24.18% |
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