GOSSVSPMN• 7 Days (Normalized)
Gossamer Bio Inc. logo
ProMIS Neurosciences Inc. Common Shares (ON) logo

GOSS vs PMN (Gossamer Bio Inc. vs ProMIS Neurosciences Inc. Common Shares (ON))

Showing Closing Date Range from Sep, 07 to Sep, 14, 2026.

Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.

GOSS Performance $10.82
-24.86%
Gossamer Bio Inc.
Normalized Baseline0.00%
PMN Performance $13.43
+7.18%
ProMIS Neurosciences Inc. Common Shares (ON)
Normalized Baseline0.00%
Alpha Spread Margin PMN LEADS
-32.04%
PMN outperforming by 32.04%
GOSSPMN
Spread Trajectory7 Days (Normalized)

Cumulative Performance Trajectory

Interactive divergence comparison normalized at 0.00% on start date.

GOSS PMN

Comparative Historical Ledger

Daily closing prices, normalized percentages, and relative spread divergence.

Historical Quotes & Breakdown(5 dates)
DateGOSS PriceGOSS Gain (%)PMN PricePMN Gain (%)Spread
Sep 14, 2026$10.82-24.86% $13.43+7.18% -32.04%
Sep 11, 2026$10.73-25.49% $13.56+8.22% -33.71%
Sep 10, 2026$11.36-21.11% $13.40+6.94% -28.05%
Sep 09, 2026$12.80-11.11% $14.37+14.68% -25.79%
Sep 08, 2026$14.40+0.00% $12.53+0.00% +0.00%