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ProShares UltraPro MidCap400 UMDD 31.51 0.35 1.14%

UMDD Gamma Exposure (GEX)

UMDD (ProShares UltraPro MidCap400): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.439
Put Call Ratio (OI)
0.0476
Put Call Ratio (Vol)
0.0667
IV Rank
5
IV Percentile
21.1
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
-23.5
23.5
View values by strike
UMDD · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
35.00 99.5 -45.7
36.00 51.4 0
38.00 454 0
40.00 36.3 0
45.00 133 0