App 04 · Live now · The one prop firms love

Stop accidentally taking the same trade three times.

Risk Exposure runs honest correlation math on your live book in real time. Long EURUSD + long GBPUSD + short USDJPY isn't three trades. It's roughly 2.3 trades of pure dollar-short. We show you the truth, with live exposure-per-currency bars, a correlation heatmap, and effective-trade-count math that no retail platform exposes.

Live correlation math
800+ instruments mapped
3 modes (calm · trending · crisis)
Pre-trade warnings
RISK EXPOSURE · LIVE BOOK ⚠ 3 ALERTS
CORRELATION MATRIX · OPEN POSITIONS
EURGBPJPYXAUBTCSPX EUR1.0.82-.51.62.31.28 GBP.821.0-.38.58.34.32 JPY-.51-.381.0-.42-.18-.21 XAU.62.58-.421.0.32.12
NET EXPOSURE BY CURRENCY
USD-$184K
EUR+$112K
GBP+$74K
JPY+$60K
XAU+$32K
Effective trade count: 2.3 (not 5) You have 5 open positions but their correlation-adjusted exposure is ~2.3 independent bets. A single dollar-strength move could move all of them together.

"Diversified" is the most misused word in retail trading.

Five open positions feels diversified. Long EURUSD, long GBPUSD, long AUDUSD, long XAUUSD, short USDJPY. Five different trades, right? No. That's one dollar-short bet expressed five times. The first time the dollar strengthens, all five move against you simultaneously. Most platforms hide this from you.

Correlation in calm markets is irrelevant. Correlation in crisis is the only thing that matters.

Risk Exposure runs the math that prop firms run on their funded traders, that hedge funds run on their books, and that retail platforms refuse to surface. Because it would scare their users. Pre-trade warnings show you correlation impact before you click buy. Live exposure dashboards show you what you're actually holding, broken down by currency, asset class, and risk factor. Three correlation modes (calm, trending, crisis) show you what your book looks like when markets break.

What Risk Exposure shows you. Honestly.

Live correlation matrix

Rolling 30-, 90-, and 365-day correlations across every position you hold. Heat-mapped. Updated as you trade. Click any pair to see the time series and rolling change.

Net exposure by currency

Decomposes every position into its underlying currency exposure. Long EURUSD = short USD + long EUR. See your true currency book at a glance.

Effective trade count

If your 5 positions are 0.8 correlated to each other, you really have ~1.5 trades on. We compute this in real time and show you when "diversification" is a fiction.

Three correlation modes

Calm markets (low vol), trending (medium vol), crisis (high vol). Correlations change wildly across regimes. We show you what your book looks like in each.

Pre-trade impact

Before you click buy, see what the new position would do to your overall exposure, correlation, and effective trade count. Refuse trades that just increase concentration.

Account-heat ring

Total open risk as a percentage of account, with a visual ring that goes from green to amber to red. Hard caps can be set; soft warnings are always on.

Four scenarios. Each one expensive.

These are real failure modes we've seen across thousands of accounts. Each one looks fine on a typical platform. Each one is flagged immediately by Risk Exposure.

01
The "spread across pairs" dollar bet

You went long EURUSD, GBPUSD, and AUDUSD because they each look bullish. The platform shows three positions. Risk Exposure shows one position: long anti-dollar, sized 3× larger than you intended.

⚠ CONCENTRATION ALERT
Three positions, but USD net exposure is −$210K. Effective trade count: 1.4. Consider sizing down or adding a USD-positive instrument to balance.
02
The risk-on stack

Long SPX, long BTC, long XAUUSD, short USDJPY. In calm markets, these are four diversified bets. In a risk-off event, they all move together. Fast, hard, in the same direction.

⚠ CRISIS-MODE CORRELATION
Current calm correlation: 0.34. Crisis-mode correlation: 0.79. Your book would behave like ~1.6 trades in a flight-to-safety event, not 4.
03
The accidentally-doubled position

You're long EURUSD. You add long EURGBP because "different setup." But EURGBP = EURUSD × USDGBP. Your EUR exposure just doubled, and your USD short shrunk.

⚠ EXPOSURE OVERLAP
New position would increase EUR exposure by 87% and reduce USD short by 41%. This is roughly the same trade as adding to your existing EURUSD.
04
The account-heat creep

Each individual position uses 0.5% of account risk. You took 6 of them. Each one was fine. Your total open risk is now 3%, three times your stated daily max, and you don't notice until it goes wrong.

⚠ HEAT CAP APPROACHING
Open risk now 2.8% of account. Daily soft cap: 2.0%. Hard cap: 3.5%. Consider closing or reducing before adding new exposure.

Three modes. One book.

01
It reads your book live

Every position you open, close, or modify flows into the risk engine within 100ms. Correlation matrices and exposure breakdowns recalculate on each change. You see consequences in real time.

02
It computes three regimes

Calm, trending, and crisis. Each uses a different historical window for correlation. We show you your book in all three so you understand what happens when markets shift.

03
It warns you before you regret

Pre-trade impact appears in the order ticket. Soft alerts when you cross thresholds. Hard locks if you've configured them. The math runs whether you look at it or not.

Risk math, everywhere it matters.

↔ VaR Analysis
From exposure to dollar risk

Risk Exposure shows what you have. VaR Analysis tells you the dollar amount that could realistically be lost in a normal day or a stress day. The two combine into a complete risk picture.

See VaR Analysis →
↔ Scenario Testing
What if 2008 happened today?

Take your current book, apply a historical crisis, see the P&L impact. Risk Exposure shows you the positions; Scenario Testing tells you what they do under stress.

See Scenario Testing →
↔ Strategy Lab
Risk-aware backtesting

Backtests that ignore correlation are useless for portfolios. Strategy Lab uses Risk Exposure's correlation math during backtests so your reported drawdowns are realistic.

See Strategy Lab →

Two weeks free. Risk is on us.

Risk Exposure pays for itself the first time it stops you from doubling down on a hidden correlation. Most users see that in week one.

Risk Exposure

Live correlation matrix. Net exposure by currency. Effective trade count. Three correlation modes. Pre-trade impact. Account heat ring. Integrated with the entire Arizet ecosystem.

7 days$8
30 days$29 / mo
365 days$269 / yrSave 23%
Bundle and save
Risk Pack
Risk Exposure + VaR Analysis + Scenario Testing. The full institutional risk stack.
$89 / month SAVE 24%
All-Access
Every Arizet app + Strategy Lab full tier.
$149 / month SAVE 41%
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Common questions.

Where does the correlation data come from?+
Our own historical price database, covering 800+ instruments across 14+ years. Rolling correlations are computed nightly; live regime adjustments use intraday volatility signals. We don't rely on third-party correlation feeds.
What's an "effective trade count" exactly?+
It's the number of statistically independent bets your positions represent, computed as the effective rank of your correlation-weighted exposure matrix. Five 0.9-correlated positions count as roughly 1.2 trades; five 0.0-correlated positions count as 5.
Does it work with positions held at other brokers?+
Yes. Connect MyFXBook/MT4/MT5 read-only credentials and we'll pull positions hourly. Or manually enter positions from any broker. Useful for traders running multiple accounts.
Can I customize the warning thresholds?+
Yes. Soft warnings, hard locks, and per-currency caps are all configurable. Defaults follow standard institutional practice (3% account heat, 2σ daily VaR) but can be tightened or loosened.
Is this useful for funded / prop firm traders?+
Especially so. Prop firms have hard drawdown rules; one correlated cluster blown up in a crisis-mode move can end your account. Risk Exposure surfaces those clusters before they form. Several prop firms now require it on funded accounts.

Trade what you mean to trade. Not three copies of it.

14 days free. No card. Full app from day one.

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Available on A-Trader desktop · web · mobile