OptionLab
Black-Scholes Engine
Real-time P&L
Options P&L
visualized
before you trade
Model any options strategy. See exact breakevens, max profit, max loss, and all Greeks — instantly.
Long Call
Long Put
Bull Put Spread
Bear Call Spread
Iron Condor
Covered Call
Underlying
Stock / ETF Symbol
Current Price ($)
IV (%)
Leg 1 — Short Put
Strike
Premium ($)
DTE
Contracts
Leg 2 — Long Put
Strike
Premium ($)
Parameters
Risk-Free Rate (%)
Days to Analyze
Calculate P&L →
Max Profit
$240
per spread
Max Loss
−$760
per spread
Breakeven
$562.60
at expiration
ROC
31.6%
return on capital
P(Profit)
72%
prob. of profit
50% Target
$120
tastylive rule
Greeks (position)
Δ
—
Delta
Γ
—
Gamma
Θ
—
Theta/day
V
—
Vega
ρ
—
Rho
P&L at Expiration
per 1 contract (×100 shares)
Stock Price
P&L ($)
P&L (%)
Status
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⚡ tastylive Mechanical Rules
→
Enter at 45 DTE for optimal theta decay curve
→
Close at 50% of max profit — don't be greedy
→
Manage at 21 DTE regardless of P&L
→
Size to 1–5% of portfolio per trade
→
Target 30% OTM probability of touch
→
Sell premium in high IV environments (IVR > 30)