GOSSVSSIGIP• 28 Days (Normalized)
GOSS vs SIGIP (Gossamer Bio Inc. vs Selective Insurance Group Inc. Depositary Shares each representing a 1/1000th interest in a share of 4.60% Non-Cumulative Preferred Stock Series B)
Showing Closing Date Range from Aug, 17 to Sep, 14, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
GOSS Performance $10.94
+7710.71%
Gossamer Bio Inc.
Normalized Baseline0.00%
SIGIP Performance $15.31
-2.83%
Selective Insurance Group Inc. Depositary Shares each representing a 1/1000th interest in a share of 4.60% Non-Cumulative Preferred Stock Series B
Normalized Baseline0.00%
Alpha Spread Margin GOSS LEADS
+7713.54%
GOSS outperforming by 7713.54%
GOSSSIGIP
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
GOSS SIGIP
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(20 dates)
| Date | GOSS Price | GOSS Gain (%) | SIGIP Price | SIGIP Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 14, 2026 | $10.94 | +7710.71% | $15.31 | -2.83% | +7713.54% |
| Sep 11, 2026 | $10.73 | +7564.29% | $15.40 | -2.22% | +7566.51% |
| Sep 10, 2026 | $11.36 | +8014.29% | $15.34 | -2.60% | +8016.89% |
| Sep 09, 2026 | $12.80 | +9042.86% | $15.53 | -1.40% | +9044.26% |
| Sep 08, 2026 | $14.40 | +10185.71% | $15.64 | -0.72% | +10186.43% |
| Sep 04, 2026 | $14.00 | +9900.00% | $15.61 | -0.92% | +9900.92% |
| Sep 03, 2026 | $14.05 | +9934.29% | $15.54 | -1.35% | +9935.64% |
| Sep 02, 2026 | $0.17 | +23.57% | $15.64 | -0.70% | +24.27% |
| Sep 01, 2026 | $0.17 | +19.29% | $15.29 | -2.92% | +22.21% |
| Aug 31, 2026 | $0.17 | +21.43% | $15.44 | -1.97% | +23.40% |
| Aug 28, 2026 | $0.17 | +21.43% | $15.74 | -0.08% | +21.51% |
| Aug 27, 2026 | $0.17 | +21.43% | $15.79 | +0.25% | +21.18% |
| Aug 26, 2026 | $0.17 | +24.29% | $15.83 | +0.51% | +23.78% |
| Aug 25, 2026 | $0.21 | +46.43% | $15.85 | +0.61% | +45.82% |
| Aug 24, 2026 | $0.18 | +25.00% | $15.70 | -0.29% | +25.29% |
Page 1 of 2