REFRVSULBI• 3 Months (Normalized)
REFR vs ULBI (Research Frontiers Incorporated vs Ultralife Corporation)
Showing Closing Date Range from Jul 3 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
+5.73%
Ultralife Corporation
Normalized Baseline0.00%
Alpha Spread Margin ULBI LEADS
-5.73 pts
ULBI outperforming by 5.73 percentage points
REFRULBI
Spread Trajectory3 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(60 dates)
| Date | REFR Price | REFR Gain (%) | ULBI Price | ULBI Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 30, 2026 | $- | $6.46 | +5.73% | - | |
| Sep 25, 2026 | $- | $6.16 | +0.82% | - | |
| Sep 24, 2026 | $0.74 | +37.17% | $6.05 | -0.98% | +38.15% |
| Sep 23, 2026 | $0.71 | +31.48% | $5.90 | -3.44% | +34.92% |
| Sep 22, 2026 | $0.78 | +44.44% | $5.70 | -6.71% | +51.15% |
| Sep 21, 2026 | $0.76 | +40.74% | $5.64 | -7.69% | +48.43% |
| Sep 18, 2026 | $0.65 | +20.37% | $5.65 | -7.53% | +27.90% |
| Sep 17, 2026 | $0.39 | -27.78% | $5.58 | -8.67% | -19.11% |
| Sep 16, 2026 | $0.38 | -29.63% | $5.45 | -10.80% | -18.83% |
| Sep 15, 2026 | $0.36 | -33.33% | $5.44 | -10.97% | -22.36% |
| Sep 14, 2026 | $0.38 | -29.63% | $5.56 | -9.00% | -20.63% |
| Sep 11, 2026 | $0.39 | -27.78% | $5.60 | -8.35% | -19.43% |
| Sep 10, 2026 | $0.39 | -27.78% | $5.65 | -7.53% | -20.25% |
| Sep 09, 2026 | $0.39 | -27.78% | $5.63 | -7.86% | -19.92% |
| Sep 08, 2026 | $0.39 | -27.78% | $5.94 | -2.78% | -25.00% |
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