HOW MERIDIAN WORKS
The whole risk tool — and the
part that acts before the loss.
Real-time behavioral detection that steps in before the order, not after the loss — plus every limit your old tool had.
No charge until day 14 · From $49.99/mo · Cancel anytime
START HERE: WHAT MERIDIAN IS
A limit reacts after the loss.
Meridian acts before the order.
You don't give up your risk tool — the four things it gives you literally are four of Guard's six trigger types, and Meridian enforces all of them. It just works a generation ahead: it reads the behavior, not just the dollars, and steps in first.
- ✓Daily loss limit
- ✓Single-trade loss cap
- ✓P&L / drawdown caps
- ✓Loss-streak cutoff
All four are built into Meridian Guard.
- ✓Real-time behavior detection — 7 signals (revenge, oversizing, tilt…)
- ✓An adaptive baseline that learns how you trade — not a generic average
- ✓Intervention before the order, not after the loss
- ✓The full loop: monitor · guard · journal · review · improve
No limit-based tool can do this.
A $500 daily loss limit fires at −$500 — after the damage is done.
Meridian reads the behavior doing the damage, and steps in first.
THE MECHANISM
PSI is one live number
for how you're trading.
The Psychological Stability Index is a live 0–100 composite of all seven behavioral signals, scored against your own baseline and refreshed within 100ms of every fill. It isn't a separate screen to check — it's the engine under everything else. A high PSI means calm and on-plan. A falling PSI is tilt setting in, surfaced before your P&L confirms it.
Trading the way you do on your best days — on-plan, right-sized, patient.
Multiple signals firing — pace picking up, size creeping. Drift is compounding.
Multiple signals compounding — the state where accounts blow up. Guard can act here.
You don't have to think about PSI as a metric — it's the mechanism behind a single number that drops the moment your behavior drifts, usually before your P&L does.
WHAT FEEDS THE SCORE
PSI is fed by seven behavioral signals — revenge entries, size spikes, stop manipulation, hold bias, position overstay, rule violations, and overtrading pace — each calibrated to your history, never a population average. Full signal definitions →
HOW THE PIECES FIT
Plan · monitor · enforce · capture · review.
The score is stage one of a loop — every surface has its own deep dive.
WHO IT'S FOR
Built for any futures trader who
takes risk management seriously.
Meridian is for serious discretionary futures traders (Windows) — especially those running prop-firm evaluations. It does every standard control your risk tool does, then adds the behavioral layer that catches what dollar limits miss. NinjaTrader 8 today; Tradovate and Ironbeam in early access.
Daily-loss, drawdown and size caps, loss-streak cutoffs — plus behavioral detection for revenge trading, overtrading, and stop manipulation. One tool that enforces all of it, not a separate limiter and a separate journal.
Prop-firm evaluation and funded accounts where one off-plan session ends the whole thing — you need behavioral guardrails on top of the firm's hard limits.
Your setups are fine. Your worst days come from execution breaking down under stress — the window Meridian is built to catch.
WHY TIMING IS THE WHOLE POINT
A journal looks back. A limit fires late.
Meridian acts in between.
is retrospective — it records what happened after the session is over. Useful, but it can't interrupt a decision being made right now.
only stops you after the financial damage has already landed — a lagging floor, firing at the dollar line, never before it. Meridian enforces that same floor and reads the behavior approaching it first.
acts in the window between the behavior and the outcome — the only window where intervention is still possible. PSI updates after every fill; Guard can intervene before the cost compounds.
Meridian is your journal and your loss limit — both are built in — plus the one stage they both leave out.
Two tiers, both with a 14-day free trial — full breakdown on the pricing page.
QUESTIONS
Frequently asked
What is Meridian, in one sentence?
Meridian is a new generation of risk management for futures traders: every other tool reacts after the loss, Meridian acts before the order — detecting revenge trading, oversizing, and tilt in real time across seven signals, scored against your own adaptive baseline. Native in NinjaTrader 8 today, with standalone Tradovate and Ironbeam apps in early access. It still does everything a traditional risk tool does (daily loss limit, single-trade loss cap, P&L and drawdown caps, loss-streak cutoff) — plus that behavioral layer none of them have.
What is the PSI score, exactly?
PSI (Psychological Stability Index) is a live 0–100 composite of seven behavioral signals measured against your personal baseline. It is the mechanism, not a separate feature — it updates within 100ms of each fill and tells you, at a glance, how far your current behavior has drifted from how you trade when you are composed. 100 is calm and on-plan; a falling number is tilt setting in before your P&L shows it.
Do I have to give up the risk tool I already use?
No — you keep everything your risk tool does, but it works a generation ahead of it. A limit fires after the loss; Meridian acts before the order, reading the behavior that causes the loss and stepping in first. The four things a traditional risk tool gives you (loss limit, single-trade loss cap, P&L cap, loss-streak cutoff) literally are four of Guard's six trigger types — Meridian enforces all of them, then adds the real-time behavioral layer none of them have.
Is Meridian compatible with prop firm evaluation accounts?
Yes. Meridian works with any NinjaTrader 8 connection, including Tradovate and Rithmic evaluation accounts — and for programs that issue Tradovate-based accounts, a standalone Meridian app that connects directly to the account is in early access. It runs as a local behavioral overlay on top of your session, independent of the prop firm's own infrastructure.
How does Guard handle open positions?
Guard intervenes at the decision point — before the next entry. It can notify, surface a persistent risk-alert banner, require a typed acknowledgment, enforce a pause that cancels working orders, or disconnect the broker connection so you cannot add risk. By default Guard does not close your live positions — it blocks you from adding risk while you stay in control of any open trade and can exit any time. Auto-flatten is a clear opt-in (off by default): tick it on a Trading Pause or Disconnect rule and Guard will close your open positions the moment that rule fires.
Where is my trading data stored?
Your fills, session history, behavioral metrics, and PSI scores are stored locally on your machine — never your name, broker credentials, account numbers, or funds. Your record is local-first and stays with you.
What is the difference between Meridian and Meridian Guard?
Meridian Core is the real-time PSI monitor: seven behavioral signals, your personal adaptive baseline, 5-year session history, post-session review, and the Intel & Stats analytics that put a dollar figure on tilt. Meridian Guard adds the automated enforcement layer — six trigger types, an escalating response ladder (five levels on NinjaTrader 8, six tiers in Guard v2 on the standalone apps) up to a full broker Disconnect, plus Strict Lock.
Now you know how it works.
See it on your own session.
Other risk tools react after the loss. Meridian acts before the order.
No charge until day 14 · Cancel anytime · NinjaTrader 8 today · Tradovate & Ironbeam early access