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TurtleMetrics reads commission data from NinjaTrader to calculate your net P&L. If commissions aren’t configured correctly in NinjaTrader, your gross P&L will still be accurate but your net P&L numbers will be off.

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How commissions work

NinjaTrader uses commission templates — preset configurations that define how much you pay per contract, per side (entry and exit). TurtleMetrics reads these values when syncing your trades and subtracts the appropriate commission from each trade’s gross P&L.

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Setting up commission templates

1

Open Commission Templates in NinjaTrader

Go to Tools → Options → Commissions in NinjaTrader.
2

Create or edit a template

Set up a commission template that matches what your broker actually charges. This is typically a per-contract, per-side rate. For example, if your broker charges $2.04 per side per contract, enter that value.
3

Apply the template to your account

Make sure the template is applied to each account you’re trading on. Without this step, NinjaTrader won’t associate commissions with your trades.
Commission templates must be set up before you take trades for the commissions to be recorded correctly. Trades taken without a commission template will show $0 in commissions.

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Common issues

The most common cause is a mismatch between your NinjaTrader commission template and your actual broker rates. Double-check the per-contract, per-side rate in your template against your broker’s fee schedule. Also check for exchange fees and NFA fees that some brokers include separately.
This usually means no commission template is applied to the account in NinjaTrader. Go to Tools → Options → Commissions, verify a template exists, and check that it’s assigned to your account.
If you changed your commission template after taking trades, the historical trades may have been recorded with the old rate (or no rate). The commission stored is whatever was configured at the time the trade was synced. A Sync Everything re-import won’t retroactively change commissions on previously synced trades.
Some brokers charge different rates for different products (e.g., lower rates for micros). Make sure your NinjaTrader commission template handles this correctly — you may need separate templates for different contract types.

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Verifying your setup

After configuring commissions:
  1. Take a trade (or use sim) and let it sync to TurtleMetrics
  2. Compare the net P&L in TurtleMetrics to what NinjaTrader’s Trade Performance shows
  3. If they match, you’re good. If not, check your commission template rates
Your gross P&L should always match between platforms regardless of commission setup. If gross P&L is off, the issue is with trade sync, not commissions — check the trades not syncing guide.

How P&L Is Calculated

Understand the full P&L calculation including commissions.

Trade Count Differences

Why trade counts may differ between platforms.