REFRVSULBI• 6 Months (Normalized)
REFR vs ULBI (Research Frontiers Incorporated vs Ultralife Corporation)
Showing Closing Date Range from Apr 4 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
-4.15%
Ultralife Corporation
Normalized Baseline0.00%
Alpha Spread Margin REFR LEADS
+4.15 pts
REFR outperforming by 4.15 percentage points
REFRULBI
Spread Trajectory6 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(122 dates)
| Date | REFR Price | REFR Gain (%) | ULBI Price | ULBI Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 30, 2026 | $- | $6.46 | -4.15% | - | |
| Sep 25, 2026 | $- | $6.16 | -8.61% | - | |
| Sep 24, 2026 | $0.74 | -21.20% | $6.05 | -10.24% | -10.96% |
| Sep 23, 2026 | $0.71 | -24.47% | $5.90 | -12.46% | -12.01% |
| Sep 22, 2026 | $0.78 | -17.02% | $5.70 | -15.43% | -1.59% |
| Sep 21, 2026 | $0.76 | -19.15% | $5.64 | -16.32% | -2.83% |
| Sep 18, 2026 | $0.65 | -30.85% | $5.65 | -16.17% | -14.68% |
| Sep 17, 2026 | $0.39 | -58.51% | $5.58 | -17.21% | -41.30% |
| Sep 16, 2026 | $0.38 | -59.57% | $5.45 | -19.14% | -40.43% |
| Sep 15, 2026 | $0.36 | -61.70% | $5.44 | -19.29% | -42.41% |
| Sep 14, 2026 | $0.38 | -59.57% | $5.56 | -17.51% | -42.06% |
| Sep 11, 2026 | $0.39 | -58.51% | $5.60 | -16.91% | -41.60% |
| Sep 10, 2026 | $0.39 | -58.51% | $5.65 | -16.17% | -42.34% |
| Sep 09, 2026 | $0.39 | -58.51% | $5.63 | -16.47% | -42.04% |
| Sep 08, 2026 | $0.39 | -58.51% | $5.94 | -11.87% | -46.64% |
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