iShares Biotechnology ETF (IBB)
NASDAQ: IBB
· Real-Time Price · USD
151.00
1.38 (0.92%)
At close: Oct 03, 2025, 3:59 PM
151.10
0.07%
Pre-market: Oct 06, 2025, 06:17 AM EDT
IBB Gamma Exposure By Expiry
The total Gamma Exposure (GEX) for IBB across all expirations is -141,434.25 shares per 1% move, with 67,704.01 from calls and 209,138.26 from puts. The put-call GEX ratio of 3.09 indicates heavy put positioning, suggesting market makers may need to buy shares on declines (supportive) and sell on rallies (resistance).
IBB GEX Table
| Expiry Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Oct 17, 25 | 23,263.29 | -109,986.13 | -86,722.84 | 4.73 |
| Nov 21, 25 | 18,056.53 | -84,938.7 | -66,882.17 | 4.70 |
| Dec 19, 25 | 4,813.1 | -5,511.52 | -698.42 | 1.15 |
| Jan 16, 26 | 19,192.11 | -3,967.6 | 15,224.51 | 0.21 |
| Feb 20, 26 | 477.77 | -1,137.05 | -659.28 | 2.38 |
| Mar 20, 26 | 768.03 | -2,080.9 | -1,312.87 | 2.71 |
| Dec 18, 26 | 321.25 | -128.23 | 193.02 | 0.40 |
| Jan 15, 27 | 740.53 | -1,071.21 | -330.68 | 1.45 |
| Dec 17, 27 | 54.68 | -312.98 | -258.3 | 5.72 |
| Jan 21, 28 | 16.72 | -3.94 | 12.78 | 0.24 |