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iShares MBS ETF MBB 91.59 0.3 0.33%

MBB Gamma Exposure (GEX)

MBB (iShares MBS ETF): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.0613
Put Call Ratio (OI)
1.93
Put Call Ratio (Vol)
0.888
IV Rank
12.3
IV Percentile
51.4
Max Pain
93

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
-18.4
18.4
View values by strike
MBB · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
82.00 0 -604
83.00 0 -1.81 K
84.00 0 -366
88.00 0 -62.9 K
90.00 5.1 K -10.9 K
91.00 27.7 K -43.3 M
92.00 9.89 M -145 K
93.00 132 K -16.1 K
94.00 33.4 K 0
95.00 23.3 K 0
96.00 15.6 K -2.22 K
97.00 0 -2.32 K
104.00 0 -1.58 K