DEVSREFR• 28 Days (Normalized)
DE vs REFR (Deere & Company vs Research Frontiers Incorporated)
Showing Closing Date Range from Sep 11 to Oct 9, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
DE Performance $620.93
-8.11%
Deere & Company
Normalized Baseline0.00%
REFR Performance $0.59
+52.13%
Research Frontiers Incorporated
Normalized Baseline0.00%
Alpha Spread Margin REFR LEADS
-60.24 pts
REFR outperforming by 60.24 percentage points
DEREFR
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
DE REFR
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(16 dates)
| Date | DE Price | DE Gain (%) | REFR Price | REFR Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 09, 2026 | $620.93 | -8.11% | $0.59 | +52.13% | -60.24% |
| Oct 08, 2026 | $652.58 | -3.43% | $0.62 | +59.59% | -63.02% |
| Oct 07, 2026 | $656.87 | -2.79% | $0.68 | +75.28% | -78.07% |
| Oct 06, 2026 | $682.79 | +1.04% | $0.72 | +83.72% | -82.68% |
| Oct 05, 2026 | $682.20 | +0.96% | $0.73 | +86.72% | -85.76% |
| Oct 02, 2026 | $687.00 | +1.67% | $0.73 | +86.82% | -85.15% |
| Sep 24, 2026 | $- | $0.74 | +89.92% | - | |
| Sep 23, 2026 | $709.48 | +4.99% | $0.71 | +82.05% | -77.06% |
| Sep 22, 2026 | $703.12 | +4.05% | $0.78 | +100.00% | -95.95% |
| Sep 21, 2026 | $684.73 | +1.33% | $0.76 | +94.87% | -93.54% |
| Sep 18, 2026 | $683.99 | +1.22% | $0.65 | +66.67% | -65.45% |
| Sep 17, 2026 | $685.63 | +1.46% | $0.39 | +0.00% | +1.46% |
| Sep 16, 2026 | $669.47 | -0.93% | $0.38 | -2.56% | +1.63% |
| Sep 15, 2026 | $684.04 | +1.23% | $0.36 | -7.69% | +8.92% |
| Sep 14, 2026 | $681.46 | +0.85% | $0.38 | -2.56% | +3.41% |
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