Penumbra Inc. (PEN)
NYSE: PEN
· Real-Time Price · USD
253.30
4.10 (1.65%)
At close: Sep 26, 2025, 3:59 PM
252.76
-0.21%
After-hours: Sep 26, 2025, 06:23 PM EDT
PEN Gamma Exposure By Expiry
The total Gamma Exposure (GEX) for PEN across all expirations is 5,493.78 shares per 1% move, with 6,583.64 from calls and 1,089.86 from puts. The put-call GEX ratio of 0.17 shows call-heavy positioning, potentially creating volatility as market makers hedge by selling into strength and buying weakness.
PEN GEX Table
| Expiry Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Oct 17, 25 | 4,596.65 | -461.92 | 4,134.73 | 0.10 |
| Nov 21, 25 | 88.68 | 0 | 88.68 | 0.00 |
| Dec 19, 25 | 1,376.36 | -454.68 | 921.68 | 0.33 |
| Jan 16, 26 | 264.91 | -170.98 | 93.93 | 0.65 |
| Apr 17, 26 | 257.04 | -2.28 | 254.76 | 0.01 |