REFRVSULBI• 12 Months (Normalized)
REFR vs ULBI (Research Frontiers Incorporated vs Ultralife Corporation)
Showing Closing Date Range from Oct 1, 2025 to Oct 1, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
REFR Performance $0.74
+%
Research Frontiers Incorporated
Normalized Baseline0.00%
ULBI Performance $6.46
-5.56%
Ultralife Corporation
Normalized Baseline0.00%
Alpha Spread Margin REFR LEADS
+5.56 pts
REFR outperforming by 5.56 percentage points
REFRULBI
Spread Trajectory12 Months (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
REFR ULBI
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(249 dates)
| Date | REFR Price | REFR Gain (%) | ULBI Price | ULBI Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 30, 2026 | $- | $6.46 | -5.56% | - | |
| Sep 25, 2026 | $- | $6.16 | -9.94% | - | |
| Sep 24, 2026 | $0.74 | -52.82% | $6.05 | -11.55% | -41.27% |
| Sep 23, 2026 | $0.71 | -54.78% | $5.90 | -13.74% | -41.04% |
| Sep 22, 2026 | $0.78 | -50.32% | $5.70 | -16.67% | -33.65% |
| Sep 21, 2026 | $0.76 | -51.59% | $5.64 | -17.54% | -34.05% |
| Sep 18, 2026 | $0.65 | -58.60% | $5.65 | -17.40% | -41.20% |
| Sep 17, 2026 | $0.39 | -75.16% | $5.58 | -18.42% | -56.74% |
| Sep 16, 2026 | $0.38 | -75.80% | $5.45 | -20.32% | -55.48% |
| Sep 15, 2026 | $0.36 | -77.07% | $5.44 | -20.47% | -56.60% |
| Sep 14, 2026 | $0.38 | -75.80% | $5.56 | -18.71% | -57.09% |
| Sep 11, 2026 | $0.39 | -75.16% | $5.60 | -18.13% | -57.03% |
| Sep 10, 2026 | $0.39 | -75.16% | $5.65 | -17.40% | -57.76% |
| Sep 09, 2026 | $0.39 | -75.16% | $5.63 | -17.69% | -57.47% |
| Sep 08, 2026 | $0.39 | -75.16% | $5.94 | -13.16% | -62.00% |
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