VST · Gamma exposure

Vistra Corp VST 141.44 -2.12 -1.48%

Chart
Radar
News
Gamma
Delta
Premium
Volume
Skew
Term
Vol Surface
Heatmap
History
Earnings
Insider
Congress
Flow
UOA
Dark Pool

Previous-day view · Fri Sep 18 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in

ATM IV

0.415

Put Call Ratio (OI)

1.09

Put Call Ratio (Vol)

0.552

IV Rank

15.9

IV Percentile

3.56

Max Pain

141

Gamma exposure (2026-09-18)

Gamma exposure (GEX)

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.

\text{DTE}

|\Delta|

Moneyness

VST Vistra Corp VST 141.44 -2.12 -1.48%

Gamma exposure (2026-09-18) Gamma exposure (GEX) 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. Got it

Vistra Corp VST 141.44 -2.12 -1.48%

Gamma exposure (2026-09-18)

Gamma exposure (GEX)

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.