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Trading Calculators
Four pro-grade calculators every funded trader needs. Tap a card to open it instantly.
Futures Lot Size Calculator
Auto-recommends contracts and caps you at safe limits based on your firm's drawdown rules.
$
$
$
%
ticks
Tick size
0.25
Tick value
$1.25
Point value
$5
Contract size
$5 × S&P 500
Exchange
CME
Type
micro · $1,500 margin
Live Result
Recommended contracts10
Max allowed (DD-safe)25
Risk budget$500
Risk per contract$50
Total $ risk at recommended$500
Ticks to stop40.00
Capped byDaily DD
Risk of Ruin Calculator
Drag the sliders. 2,000-run Monte Carlo simulates your probability of passing vs blowing the account.
55%
20%90%
1.5R
0.5R5R
1%
0.1%5%
10%
2%30%
5%
1%20%
100
20500
Quant Engine · 2,000 runs
Risk of Ruin
25.6%
Medium Risk
Estimated pass probability74.5%
Expected return / trade
+0.375%
Avg simulated PnL
+7.50%
Risk score26 / 100