GOSSVSSIGI• 3 Months (Normalized)
GOSS vs SIGI (Gossamer Bio Inc. vs Selective Insurance Group Inc.)
Showing Closing Date Range from Jun, 13 to Sep, 11, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
GOSS Performance $10.73
+6325.15%
Gossamer Bio Inc.
Normalized Baseline0.00%
SIGI Performance $90.34
-2.09%
Selective Insurance Group Inc.
Normalized Baseline0.00%
Alpha Spread Margin GOSS LEADS
+6327.24%
GOSS outperforming by 6327.24%
GOSSSIGI
Spread Trajectory3 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(62 dates)
| Date | GOSS Price | GOSS Gain (%) | SIGI Price | SIGI Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 11, 2026 | $10.73 | +6325.15% | $90.34 | -2.09% | +6327.24% |
| Sep 10, 2026 | $11.36 | +6702.40% | $90.56 | -1.85% | +6704.25% |
| Sep 09, 2026 | $12.80 | +7564.67% | $90.12 | -2.33% | +7567.00% |
| Sep 08, 2026 | $14.40 | +8522.75% | $90.90 | -1.48% | +8524.23% |
| Sep 04, 2026 | $14.00 | +8283.23% | $92.19 | -0.09% | +8283.32% |
| Sep 03, 2026 | $14.05 | +8311.98% | $93.20 | +1.01% | +8310.97% |
| Sep 02, 2026 | $0.17 | +3.59% | $92.23 | -0.04% | +3.63% |
| Sep 01, 2026 | $0.17 | +0.00% | $91.21 | -1.15% | +1.15% |
| Aug 31, 2026 | $0.17 | +1.80% | $91.29 | -1.06% | +2.86% |
| Aug 28, 2026 | $0.17 | +1.80% | $92.46 | +0.21% | +1.59% |
| Aug 27, 2026 | $0.17 | +1.80% | $92.30 | +0.03% | +1.77% |
| Aug 26, 2026 | $0.17 | +4.19% | $92.38 | +0.12% | +4.07% |
| Aug 25, 2026 | $0.21 | +22.75% | $91.91 | -0.39% | +23.14% |
| Aug 24, 2026 | $0.18 | +4.79% | $92.65 | +0.41% | +4.38% |
| Aug 21, 2026 | $0.16 | -7.19% | $91.47 | -0.87% | -6.32% |
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