QSIVSSTLD• 28 Days (Normalized)
QSI vs STLD (Quantum-Si Incorporated vs Steel Dynamics Inc.)
Showing Closing Date Range from Sep 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
+60.53%
Quantum-Si Incorporated
Normalized Baseline0.00%
STLD Performance $238.17
-0.89%
Steel Dynamics Inc.
Normalized Baseline0.00%
Alpha Spread Margin QSI LEADS
+61.42 pts
QSI outperforming by 61.42 percentage points
QSISTLD
Spread Trajectory28 Days (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(21 dates)
| Date | QSI Price | QSI Gain (%) | STLD Price | STLD Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 06, 2026 | $1.22 | +60.53% | $238.17 | -0.89% | +61.42% |
| Oct 05, 2026 | $1.28 | +68.42% | $241.04 | +0.30% | +68.12% |
| Oct 02, 2026 | $1.55 | +103.95% | $231.99 | -3.46% | +107.41% |
| Oct 01, 2026 | $1.43 | +88.16% | $- | - | |
| Sep 30, 2026 | $1.07 | +40.79% | $- | - | |
| Sep 29, 2026 | $0.96 | +26.05% | $221.90 | -7.66% | +33.71% |
| Sep 28, 2026 | $0.80 | +4.61% | $230.39 | -4.13% | +8.74% |
| Sep 25, 2026 | $0.79 | +3.45% | $233.66 | -2.77% | +6.22% |
| Sep 24, 2026 | $0.79 | +3.29% | $235.20 | -2.13% | +5.42% |
| Sep 23, 2026 | $0.76 | -0.13% | $234.29 | -2.51% | +2.38% |
| Sep 22, 2026 | $0.79 | +3.29% | $233.99 | -2.63% | +5.92% |
| Sep 21, 2026 | $0.76 | -0.53% | $229.99 | -4.29% | +3.76% |
| Sep 18, 2026 | $0.75 | -1.97% | $235.26 | -2.10% | +0.13% |
| Sep 17, 2026 | $0.77 | +1.32% | $245.35 | +2.10% | -0.78% |
| Sep 16, 2026 | $0.73 | -3.95% | $238.23 | -0.87% | -3.08% |
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