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iShares Genomics Immunology and Healthcare IDNA 40.58 0.75 1.88%

IDNA Gamma Exposure (GEX)

IDNA (iShares Genomics Immunology and Healthcare): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.281
Put Call Ratio (OI)
0.0723
Put Call Ratio (Vol)
0.0857
IV Rank
7.03
IV Percentile
25.2
Max Pain
35

Gamma exposure (2026-09-21)

GEX estimates dealer hedging flow at each strike.

Positive GEX = dealers are long gamma; they buy the dip and sell the rip, dampening volatility. Negative GEX = dealers are short gamma; they sell the dip and buy the rip, amplifying volatility.

DTE \text{DTE}
25.0
179.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-18.7
18.7
View values by strike
IDNA · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
24.00 0 -26
25.00 0 -30.3
26.00 0 -25.9
28.00 0 -19
29.00 7.53e-7 0
30.00 146 -25.7
33.00 39 0
34.00 92.3 0
35.00 113 0
38.00 556 -48.5
39.00 13.7 K 0
40.00 3.37 K -120
41.00 1.35 K -75.4
49.00 521 0