Payoff simulator
Build any position from calls, puts and stock. The black line is your result on expiry day. The blue line is your result today, and it moves as you slide the price, the days and the volatility.
Presets
At expiry (day 30)Today: day 0 (T+0)
Now $0The position
| You pay at the start | $345 |
| Profit or loss now | $0 |
| Best result at expiry | No cap above |
| Worst result at expiry | -$345 |
| Break-even at expiry | $103.45 |
Best and worst are read across the chart's price range. Widen the chart to look further.
Greeks now
| Leg | Delta | Gamma | Theta/day | Vega/pt |
|---|---|---|---|---|
| +1 100C | 51.9 | 4.63 | -5.78 | 11.42 |
| Total | 51.9 | 4.63 | -5.78 | 11.42 |
Delta in shares: the dollars gained for a $1 rise in the stock. Gamma: how much delta changes for that $1. Theta: dollars per calendar day from time passing. Vega: dollars per 1 point rise in volatility.
Legs
TypeSideQtyStrikeDaysVol %
Paid $3.45 a share, $345 in all
Prices come from the Black-Scholes model the course uses (no dividends, 0.5% interest rate), so the numbers match the lessons. Real prices also include the bid-ask spread and fees.