Generation Bio Co.

NASDAQ: GBIO · Real-Time Price · USD
6.30
-0.36 (-5.41%)
At close: Aug 15, 2025, 3:59 PM
6.58
4.44%
After-hours: Aug 15, 2025, 07:41 PM EDT

GBIO Daily Gamma Exposure

Current Gamma Exposure (GEX) is 4.21K, which is 79% above the 3M average of 2.35K. Over this period, GEX peaked at 4.21K on Jul 21, 2025 and bottomed at 896.94 on May 28, 2025, maintaining consistently positive gamma throughout. The exposure has been increasing recently, suggesting growing dealer hedging that could dampen volatility. Today's put-call gamma ratio of 0.00 is below the recent average of 0.00, indicating call-heavy positioning. Stable GEX patterns (±1.04K) indicate consistent market maker positioning.

GEX History

Date Call GEX Put GEX Net GEX P/C GEX
Jul 21, 2025 4,209.24 0 4,209.24 0.00
Jul 18, 2025 3,586.45 0 3,586.45 0.00
Jul 17, 2025 3,930.92 0 3,930.92 0.00

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