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Vanguard Morningstar Mid-Cap ETF VO 80.54 0.54 0.68%

VO Gamma Exposure (GEX)

VO (Vanguard Morningstar Mid-Cap ETF): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.155
Put Call Ratio (OI)
0.423
Put Call Ratio (Vol)
0.566
IV Rank
28.8
IV Percentile
37
Max Pain
72.5

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
207.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-34.5
34.5
View values by strike
VO · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
50.00 13.5 0
60.00 114 0
65.00 340 -2.51 K
66.25 956 0
67.50 685 -2.26 K
68.75 0 -5.8 K
70.00 346 -15.8 K
71.00 9.9 K 0
71.25 2.63 K -590
72.00 497 -330
72.50 0 -3.42 K
73.00 25.8 K 0
73.75 0 -1.66 K
74.00 5.67 K 0
75.00 27.1 K -997
76.00 2.24 K -80.1 K
76.25 2.47 K -28.6 K
77.00 1.59 K -9.48 K
77.50 60.8 K -24.4 K
78.00 3.32 K -1.82 K
78.75 57 K -66.6 K
79.00 280 0
80.00 50.7 K -73.1 K
81.00 22.7 K 0
81.25 66.5 K -871
82.00 16.8 K -1.29 K
82.50 22.5 K 0
83.00 5.55 K 0
83.75 101 K -461
84.00 28.5 K -1.63 K
85.00 61.4 K 0
86.00 28.5 K -18 K
86.25 1.76 K 0
87.00 2.23 K 0
87.50 966 0
88.00 800 0
88.75 997 0
89.00 197 0
90.00 70.1 K 0
95.00 2.82 K 0