ULBIVSWDC• 12 Months (Normalized)
ULBI vs WDC (Ultralife Corporation vs Western Digital Corporation)
Showing Closing Date Range from Oct 2, 2025 to Oct 2, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
ULBI Performance $6.46
+%
Ultralife Corporation
Normalized Baseline0.00%
WDC Performance $462.56
+252.4%
Western Digital Corporation
Normalized Baseline0.00%
Alpha Spread Margin WDC LEADS
-252.4 pts
WDC outperforming by 252.40 percentage points
ULBIWDC
Spread Trajectory12 Months (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
ULBI WDC
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(251 dates)
| Date | ULBI Price | ULBI Gain (%) | WDC Price | WDC Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 01, 2026 | $- | $462.56 | +252.40% | - | |
| Sep 30, 2026 | $6.46 | -5.14% | $454.46 | +246.23% | -251.37% |
| Sep 29, 2026 | $- | $453.48 | +245.48% | - | |
| Sep 28, 2026 | $- | $453.23 | +245.29% | - | |
| Sep 25, 2026 | $6.16 | -9.54% | $456.81 | +248.02% | -257.56% |
| Sep 24, 2026 | $6.05 | -11.16% | $- | - | |
| Sep 23, 2026 | $5.90 | -13.36% | $473.69 | +260.88% | -274.24% |
| Sep 22, 2026 | $5.70 | -16.30% | $464.60 | +253.95% | -270.25% |
| Sep 21, 2026 | $5.64 | -17.18% | $448.17 | +241.44% | -258.62% |
| Sep 18, 2026 | $5.65 | -17.03% | $441.36 | +236.25% | -253.28% |
| Sep 17, 2026 | $5.58 | -18.06% | $423.87 | +222.92% | -240.98% |
| Sep 16, 2026 | $5.45 | -19.97% | $416.97 | +217.67% | -237.64% |
| Sep 15, 2026 | $5.44 | -20.12% | $411.96 | +213.85% | -233.97% |
| Sep 14, 2026 | $5.56 | -18.36% | $426.94 | +225.26% | -243.62% |
| Sep 11, 2026 | $5.60 | -17.77% | $447.18 | +240.68% | -258.45% |
Page 1 of 17