GOSSVSSIGI• 12 Months (Normalized)
GOSS vs SIGI (Gossamer Bio Inc. vs Selective Insurance Group Inc.)
Showing Closing Date Range from Sep, 17, 2025 to Sep, 17, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
GOSS Performance $12.07
+303.68%
Gossamer Bio Inc.
Normalized Baseline0.00%
SIGI Performance $87.75
+13.34%
Selective Insurance Group Inc.
Normalized Baseline0.00%
Alpha Spread Margin GOSS LEADS
+290.34%
GOSS outperforming by 290.34%
GOSSSIGI
Spread Trajectory12 Months (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(252 dates)
| Date | GOSS Price | GOSS Gain (%) | SIGI Price | SIGI Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 17, 2026 | $12.07 | +303.68% | $87.75 | +13.34% | +290.34% |
| Sep 16, 2026 | $10.96 | +266.56% | $88.53 | +14.35% | +252.21% |
| Sep 15, 2026 | $10.38 | +247.16% | $89.34 | +15.40% | +231.76% |
| Sep 14, 2026 | $10.70 | +257.86% | $89.42 | +15.50% | +242.36% |
| Sep 11, 2026 | $10.73 | +258.86% | $90.34 | +16.69% | +242.17% |
| Sep 10, 2026 | $11.36 | +279.93% | $90.56 | +16.97% | +262.96% |
| Sep 09, 2026 | $12.80 | +328.09% | $90.12 | +16.40% | +311.69% |
| Sep 08, 2026 | $14.40 | +381.61% | $90.90 | +17.41% | +364.20% |
| Sep 04, 2026 | $14.00 | +368.23% | $92.19 | +19.08% | +349.15% |
| Sep 03, 2026 | $14.05 | +369.83% | $93.20 | +20.38% | +349.45% |
| Sep 02, 2026 | $0.17 | -94.21% | $92.23 | +19.13% | -113.34% |
| Sep 01, 2026 | $0.17 | -94.41% | $91.21 | +17.81% | -112.22% |
| Aug 31, 2026 | $0.17 | -94.31% | $91.29 | +17.92% | -112.23% |
| Aug 28, 2026 | $0.17 | -94.31% | $92.46 | +19.43% | -113.74% |
| Aug 27, 2026 | $0.17 | -94.31% | $92.30 | +19.22% | -113.53% |
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