GRCVSREFR• 28 Days (Normalized)
GRC vs REFR (Gorman-Rupp Company (The) 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.
GRC Performance $73.99
-0.64%
Gorman-Rupp Company (The)
Normalized Baseline0.00%
REFR Performance $0.59
+52.13%
Research Frontiers Incorporated
Normalized Baseline0.00%
Alpha Spread Margin REFR LEADS
-52.77 pts
REFR outperforming by 52.77 percentage points
GRCREFR
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
GRC REFR
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(21 dates)
| Date | GRC Price | GRC Gain (%) | REFR Price | REFR Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 09, 2026 | $73.99 | -0.64% | $0.59 | +52.13% | -52.77% |
| Oct 08, 2026 | $73.04 | -1.92% | $0.62 | +59.59% | -61.51% |
| Oct 07, 2026 | $74.21 | -0.35% | $0.68 | +75.28% | -75.63% |
| Oct 06, 2026 | $77.22 | +3.69% | $0.72 | +83.72% | -80.03% |
| Oct 05, 2026 | $77.55 | +4.14% | $0.73 | +86.72% | -82.58% |
| Oct 02, 2026 | $77.26 | +3.75% | $0.73 | +86.82% | -83.07% |
| Oct 01, 2026 | $75.13 | +0.89% | $- | - | |
| Sep 30, 2026 | $74.48 | +0.01% | $- | - | |
| Sep 29, 2026 | $75.07 | +0.81% | $- | - | |
| Sep 28, 2026 | $76.06 | +2.14% | $- | - | |
| Sep 25, 2026 | $74.21 | -0.35% | $- | - | |
| Sep 24, 2026 | $74.65 | +0.24% | $0.74 | +89.92% | -89.68% |
| Sep 23, 2026 | $75.25 | +1.05% | $0.71 | +82.05% | -81.00% |
| Sep 22, 2026 | $74.59 | +0.16% | $0.78 | +100.00% | -99.84% |
| Sep 21, 2026 | $73.75 | -0.97% | $0.76 | +94.87% | -95.84% |
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