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Unusual Option Volume

GOSS Gossamer Bio0.160.00 (+3.2%)

Gossamer Bio trades 3,286 contracts. The highest volume is in the 15-Jan-27 0.5 calls, which is 212.5% above the current price.
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Something to keep an eye on: Mostly large institutional traders are showing a long build up in $GOSS. Net option volume delta is 141 K!
Large Decrease in Open Interest

GOSS Gossamer Bio0.43-0.02 (-4.9%)

The open interest (OI) on the 20-Mar-26 1.50 strike had no change for calls and decreased by 36,590 put contracts. The total OI for the expiration was decreased by 4x the average option volume. View Open Interest
$GOSS Gossamer Bio Option Order Flow Sentiment is 98.9% Bullish.
Unusual Option Volume

GOSS Gossamer Bio0.45+0.02 (+3.7%)

Gossamer Bio trades 11,052 contracts. The highest volume is in the 20-Mar-26 1 puts, which is -122.2% below the current price. News: INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Gossamer Bio, Inc. - GOSS
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Large Decrease in Open Interest

GOSS Gossamer Bio0.41-0.01 (-3.1%)

The open interest (OI) on the 20-Mar-26 2.00 strike decreased by 242 call contracts and 24,370 puts. The total OI for the expiration was decreased by 3x the average option volume. View Open Interest
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