Prediction Market Trade Planner

Calculate Your Edge

Visualize potential returns, plan multi-position portfolios, and find your optimal position size before every trade.

Trade Calculator

$
96.0%ROI
Profit if Correct
+$96.00
Loss if Wrong
-$100.00
Shares
196.00
Break-Even
51.0%
Taker Fee(2.000%)
$2.00

Scenario Builder

Drag to explore

Multi-Position Calculator

0 positions

Add trades from the calculator above to see combined portfolio outcomes.

Kelly Criterion

Optimal position sizing based on your edge

What probability do you think this event has?

Full Kelly
$200.00
20.0% of bankroll
Half Kelly
$100.00
Recommended
Quarter Kelly
$50.00
Conservative

Risk / Reward

No saved calculations yet. Click "Save" on any result.