GOSSVSSIGI• 7 Days (Normalized)
GOSS vs SIGI (Gossamer Bio Inc. vs Selective Insurance Group Inc.)
Showing Closing Date Range from Sep, 08 to Sep, 15, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
GOSS Performance $10.38
-27.92%
Gossamer Bio Inc.
Normalized Baseline0.00%
SIGI Performance $89.34
-1.72%
Selective Insurance Group Inc.
Normalized Baseline0.00%
Alpha Spread Margin SIGI LEADS
-26.2%
SIGI outperforming by 26.20%
GOSSSIGI
Spread Trajectory7 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
GOSS SIGI
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(6 dates)
| Date | GOSS Price | GOSS Gain (%) | SIGI Price | SIGI Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 15, 2026 | $10.38 | -27.92% | $89.34 | -1.72% | -26.20% |
| Sep 14, 2026 | $10.70 | -25.69% | $89.42 | -1.63% | -24.06% |
| Sep 11, 2026 | $10.73 | -25.49% | $90.34 | -0.62% | -24.87% |
| Sep 10, 2026 | $11.36 | -21.11% | $90.56 | -0.37% | -20.74% |
| Sep 09, 2026 | $12.80 | -11.11% | $90.12 | -0.86% | -10.25% |
| Sep 08, 2026 | $14.40 | +0.00% | $90.90 | +0.00% | +0.00% |