Dealer Gamma Exposure (GEX)
SPX Options Chain · Spot: 0
POSITIVE
Total Net GEX
+$0.00B
Put GEX
-$0.0B
P/C Ratio
0.00
GEX Flip
0
Positive GEX (Stabilizing)
Negative GEX (Amplifying)
POSITIVE GEX (S2)
Dealers long gamma → sell rallies, buy dips. Mean-reverting regime. Favor premium-selling strategies.
GEX FLIP: 0
Distance to flip: —. Below flip → negative GEX regime (S3/S4).
Volatility Surface · Skew
SPX Options · VIX = —
Put Skew ActiveVIX = —
LIVE VOLATILITY SKEW (FRONT MONTH)
LIVE IV TERM STRUCTURE
VIX
—
Front Month IV
—
Term Structure
Backwd.
Black-Scholes Calculator
∂V/∂t + ½σ²S²∂²V/∂S² + rS·∂V/∂S − rV = 0
CALL PRICE
$0.00
MONEYNESS
OTM -100.00%
Delta
0.0000
Gamma
NaN
Theta/day
0.0000
Vega/1%
0.0000
d₁
-Infinity
d₂
-Infinity
10% KELLY SIZING0.00% of capital
Win Prob
0.0%
Full Kelly
0.0%
Fractional
0.00%
Delta · Gamma Surface
Δ = N(d₁) · Γ = N'(d₁) / (S·σ·√T)
Δ = N(d₁)Γ = N'(d₁) / S·σ·√T
Δ Call ATM
0.512
ATM call delta
Γ ATM
0.0024
Gamma per $1 move
Θ/day
-$4.82
Time decay (30 DTE)
Vega
+$8.14
Per 1% IV change
Rho
+$2.31
Per 1% rate change
Charm
-0.003
Delta decay/day
Strategy Recommendations
Based on current GEX regime: POSITIVE
Bull Call Spread
BULLISHStrikes
ATM / ATM+100
Expiry
30 DTE
Max Profit
$4,800
Max Loss
$1,200
Win Prob
52%
Payoff
4:1
REGIME: Positive GEX
GEX wall provides support. Mean-reverting regime favors defined-risk spreads.
10% KELLY POSITION SIZING
Win Prob
52%
Full Kelly
40.0%
10% Frac.
4.00%
On $100K account → allocate $4000 to this trade