REFRVSTNC• 28 Days (Normalized)
REFR vs TNC (Research Frontiers Incorporated vs Tennant Company)
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.
REFR Performance $0.62
+59.59%
Research Frontiers Incorporated
Normalized Baseline0.00%
TNC Performance $65.94
+0.17%
Tennant Company
Normalized Baseline0.00%
Alpha Spread Margin REFR LEADS
+59.42 pts
REFR outperforming by 59.42 percentage points
REFRTNC
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
REFR TNC
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(19 dates)
| Date | REFR Price | REFR Gain (%) | TNC Price | TNC Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 08, 2026 | $0.62 | +59.59% | $65.94 | +0.17% | +59.42% |
| Oct 07, 2026 | $0.68 | +75.28% | $65.87 | +0.06% | +75.22% |
| Oct 06, 2026 | $0.72 | +83.72% | $68.17 | +3.55% | +80.17% |
| Oct 05, 2026 | $0.73 | +86.72% | $68.07 | +3.40% | +83.32% |
| Oct 02, 2026 | $0.73 | +86.82% | $67.12 | +1.96% | +84.86% |
| Sep 30, 2026 | $- | $67.22 | +2.11% | - | |
| Sep 29, 2026 | $- | $67.35 | +2.31% | - | |
| Sep 28, 2026 | $- | $68.21 | +3.62% | - | |
| Sep 25, 2026 | $- | $67.74 | +2.90% | - | |
| Sep 24, 2026 | $0.74 | +89.92% | $66.21 | +0.58% | +89.34% |
| Sep 23, 2026 | $0.71 | +82.05% | $65.95 | +0.18% | +81.87% |
| Sep 22, 2026 | $0.78 | +100.00% | $66.72 | +1.35% | +98.65% |
| Sep 21, 2026 | $0.76 | +94.87% | $65.83 | +0.00% | +94.87% |
| Sep 18, 2026 | $0.65 | +66.67% | $- | - | |
| Sep 17, 2026 | $0.39 | +0.00% | $- | - |
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