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Roundhill S&P 500 0DTE Covered XDTE 38.7 0.34 0.89%

XDTE Gamma Exposure (GEX)

XDTE (Roundhill S&P 500 0DTE Covered): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.212
Put Call Ratio (OI)
3.55
Put Call Ratio (Vol)
2.08
IV Rank
7.16
IV Percentile
54.6
Max Pain
40

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
-10.7
10.7
View values by strike
XDTE · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
35.00 0 -911
36.00 0 -629
37.00 0 -15.8 K
38.00 2.76 K 1.69e-10
39.00 2.15 K -7.78e-10
40.00 158 1.54e-7
43.00 0 7.41e-10
44.00 0 -1.2e-10
46.00 0 -6.23e-10