Backtesting Guided · Manual replay · Automated, powered by Zella AI

Backtest your strategy in plain English

TradeZella is the best no-code backtesting software — automated and manual. Test a trading strategy against years of historical market data before you risk real money: describe it in plain English and run it automatically, replay it by hand, or start from a guided scenario.

Backtest your first strategy See how it works
11+ years of data since 2014 · Futures · Stocks · Forex · Crypto
NQ
Break & Retest · /MNQ
2025–2026 · 5m · 94 trades
Complete
Net P&L
+$16,353
Profit factor
1.21
Win rate
40.4%
Max drawdown
-21.1%
Equity curveSharpe 1.40
Monthly P&LDec '25 – Jun '26
Zella AI · edge verdict
Profitable, but thin. Avg win runs 1.8× avg loss, so you're winning on payoff, not hit rate. April carried the run, so build a regime filter before you size up.
A−
Edge score
Top 7% of tested strategies
The shift

Backtesting was too slow, so traders skipped it.

Most traders skip backtesting because it's tedious. That means risking real money on strategies they've never validated.

The cost of skipping
Why traders don't bother backtesting
  • ×Hours per strategy in spreadsheets and screenshots
  • ×Tedious enough that it's easy to skip entirely
  • ×So you risk real money on an unvalidated edge
With TradeZella
One backtesting system, three ways in
  • Describe it in plain English and test in one run
  • Or replay it by hand with full controls
  • Or start guided if you're new to it
Where to start

Choose your starting point.

Three ways to backtest in TradeZella. Tell us where you are and we'll point you to the right one.

GuidedRecommended

Start with a guided scenario

No strategy yet? We pre-fill the symbol and dates, then tell you exactly what setup to look for and where.

1Pick a focus setup
2We show you where it forms
3Practice across past sessions
Explore scenarios
Q1 Momentum SetupScenario
What to test?

Long continuation after a strong morning trend day. Find the pullback that holds the prior session high.

Practice periods
Jan 2025Feb 2025Mar 2025
Use this scenario
See guided scenarios
How it works

Learn your strategy's edge in 3 steps.

1Describe it

Pick a template or write the logic in plain English.

Set the basics — symbol, timeframe, dates, balance, session — then describe entries, exits and risk the way you'd explain them to another trader.

Symbol
MNQ
Execution timeframe
5 minutes
Start balance
5K10K25K50K100K
Trading session
Entire dayLondonNew YorkAsia
Strategy logic
Trade the break and retest of the previous day's high and low. Go long when price breaks above the prior high, pulls back to retest it, and prints a bullish candle. Mirror for shorts. Stop: 1.5× ATR(14). Take profit: 2:1.
2Zella AI parses & runs it

Your words become named, structured rules.

Zella AI reads ICT and price-action language like SMT, CHoCH, FVG, PO3, OTE and ADR, turns it into rules you can read back, names the session, and runs it across the full history.

100%
Parsed into 14 rules · ready
Prev day H/LATR(14)Break & retest2:1 R
3Read the results

A full report, plus every trade to review.

Win rate, profit factor, net P&L, risk metrics, and a written verdict — backed by a trade log you can open trade by trade.

Win rate
40.4%
Net P&L
+$16,353
Profit factor
1.21
Total trades
94
Expectancy
$174
Max DD
~21%
Backtest your first strategy
Templates

Start from a ready-to-run template.

No blank page. Pick a template, tweak the details, and run. Filter by asset class.

The report

Every number you need to judge an edge.

No black boxes. Each metric is computed on every fill, so the number you trust is one you can defend.

Sharpe
1.40
Max drawdown
-$10,556
-21.1% of balance
Calmar
3.62
Sortino
1.90
Long trades
Count
57
Win rate
42.1%
Short trades
Count
37
Win rate
37.8%
MetricValue
Win rate40.4%
How often trades reached target
Profit factor1.21
Gross profit ÷ gross loss
Net P&L+$16,353
Total result over the period
Expectancy~$174
Average result per trade
Max drawdown-21.1%
Largest equity dip from peak
The differentiator

Every trade the engine took — on the chart.

Other no-code backtesters return summary stats. TradeZella shows you the full trade log, and plots each trade with its entry, exit, stop, target and indicator bands. Switch timeframes from 1m to 1d, or export to CSV.

Trade logTap a row to plot it
Export CSV
#Date · sideP&LBalance
Trade 8 · /MNQ+$116
Zella AI

It runs the test — then tells you if the edge is real.

Profit factor and win rate tell you what happened. Zella AI reads the whole run — payoff ratio, losing streaks, the months that carried it — and tells you whether the edge is durable or just a hot stretch, plus what to fix before you size up.

Edge verdict
Marginally profitable. The edge is real, but thin.

You're winning on size, not accuracy — avg win ($236) is 1.69× avg loss ($140). February was your only real down month; March and April carried the edge. On a thin profit factor, a six-loss streak means discipline matters — consider cutting shorts in choppy, low-volatility conditions.

Strategy & parsed rules
Backtest MNQ. Trade the break and retest of the previous day's high and low. Stop: 1.5× ATR(14). Take profit: 2:1 reward-to-risk.
Long entry
Break above prior high, retest, bullish close back above
Short entry
Mirror at prior low — break, retest, bearish close back below
Stop loss
1.5× ATR(14) on the opposite side of entry
Take profit
2:1 reward-to-risk on the ATR-derived stop distance
Save as a session

Results aren't a dead end. They become a session.

Save the backtest and it opens the full backtesting dashboard — best trade times, trade duration, position reports, tags, and journaling. Dissect what worked and turn it into a plan.

Best trade time09:40 ET
Avg duration1h 12m
Tags & journalEnabled
Guided mode For "I'm finding my edge"

No strategy yet? Practice a guided scenario.

This is the guided way in — the easiest place to start. Pick a setup and we pre-fill the symbol and dates, then point you to where it forms across past sessions, so you learn what to look for before you risk anything.

We tell you what to test

Each scenario describes the setup in plain words, so you're never staring at a blank chart.

We tell you where to look

Jump to the sessions where the setup actually formed and replay them one by one.

You build the rep

Practice the same setup across months of data until you can spot it cold.

Q1 Momentum SetupScenario
What to test?

Long continuation after a strong morning trend day. Find the pullback that holds the prior session high.

Practice periods
Jan 2025Feb 2025Mar 2025
Use this scenario
Manual mode For "I want to test my execution"

Or replay it by hand, bar by bar.

Step through real history candle by candle, placing live orders as price moves — practice the execution an automated run can't teach. The only platform with both automated and manual backtesting. No code.

/MNQ · replay5m + 1h
Place order
BuySell
MarketLimitStop
Take profit+2.0R
Stop loss1% risk
Auto break-even
Dual-timeframe replay

Step your execution timeframe and a higher timeframe in sync, so you keep HTF context while you trade the entry.

Market, limit & stop orders

Place the same order types you trade live. Fills are modeled bar by bar against real historical prices.

Risk-based PT & SL

Set take-profit and stop in R or % of balance; position size is calculated for you so every trade risks the same.

Auto break-even & controls

Move stops to break-even automatically, and step, play or skip candles at any speed you like.

1Load

Pick a symbol and a start date anywhere in 11+ years of history.

2Replay

Step one candle at a time or press play; the future stays hidden.

3Trade

Place orders as price moves and manage them like a live session.

4Review

Every fill auto-journals next to your live trades to tag and study.

The platform

The full backtesting platform.

Both modes, every market, a decade of data, all auto-journaled next to your live trades.

See the full market picture, sharpen your edge.

Up to 8 synced charts

Any instruments and timeframes, moving together.

M1M5M15H1
1.11830

Tick-level accuracy

No bar-by-bar replay lag or future data leakage.

INDICATORS
Trend
Volume

Custom workspace

Tailor indicators and layout to your workflow.

Jump to the action, skip the waiting.

Mar 14, 202409:30 open

Go-To

Skip to any date, candle, or session instantly.

1s

Seconds timeframe

Replay price action down to the second.

Full screen mode

Distraction-free chart analysis.

Set it once, let it run.

RISK1.0%
Position size2 contracts

Automatic position sizing

Set your risk %, we size the trade.

BE

Auto breakeven

Move SL to breakeven at your target, automatically.

/MNQ · Long+$248
/ES · Short-$92
/MNQ · Long+$116

Auto-journaling

Every trade logs the moment you place it — synced with 500+ brokers.

Test against real market history.

Q1 Momentum Setup
Opening Range Break
FVG Reversal

Scenario library

10 ready-made strategy setups to load and run.

11+ yrs
since 2014all markets

11+ years of data

History since Sept 2014 across every market.

FuturesStocksForexCryptoOptions

5 asset classes

Futures, stocks, forex, crypto, options.

Backtest together.

SHARED SESSION
Break & Retest /MNQ
+3

Session sharing

Share backtesting sessions with mentors or students.

Entry was 4 candles early
MENTOR
Wait for the retest to confirm.

Spaces (Mentor Mode)

Targeted feedback on your full journal.

StrategySession

Strategy linking

Connect strategies to sessions and track performance.

Every backtest, reviewed like a live trade.

SETUPRP&L
Retest+2.0+$295
Breakout-1.0-$135
Reversal+1.7+$248

Auto-journaled

Backtests land in the same journal as your live trades.

61%

50+ analytics reports

Win %, P&L, R-multiple, streaks, and more.

FVGHTF BiasPO3

ICT indicators built in

FVG, Asian Range, HTF Bias, Key Levels, Power of 3.

Why TradeZella

Automated, no-code, and reviewable. Only one does all three.

Other tools hand you a list of trades — a marker on a chart, a row in a log. TradeZella lets you open any backtested trade and review it like a live one: replay it, tag the mistake, journal it beside your real trades. The only backtester that's automated, no-code, and reviewable trade by trade.

Compare vs:
Capability TradeZella FX Replay TradingView
No-code automated backtestingDescribe a strategy in plain English and TradeZella runs the full backtest for you — no scripting, no Pine, no setup.
Guided scenariosLoad one of TradeZella's pre-built strategy setups and run it in a couple of clicks — no blank chart to start from.
Manual bar replayStep through historical candles one bar at a time and place trades by hand, just like live.
Automated full-history runRun a strategy across years of data automatically and get a full performance report in minutes.
Review each trade like a live one (replay · tag · journal)Open any backtested trade to replay it candle-by-candle, tag the mistake, link the setup, and add notes — the same flow as your live trades. ✓ *
Auto-journaled with live tradesBacktested trades sync into the same journal as your live broker trades (500+ integrations), so you review them side by side.
* FX Replay supports manual trade replay and basic tagging, but backtested trades are not journaled alongside live trades.
Pricing

Get the full backtesting engine.

Every plan gets you backtesting. Full access opens up automated runs, the complete engine, and your trade log — see what's included in each.

See plans
What's next

On the roadmap.

Soon
Side-by-side comparison

Run two strategies and compare them directly.

Soon
Forward testing

Test on 15-minute delayed data going forward.

Soon
Multi-instrument

Run one strategy across several symbols.

Soon
Weekly gap report

Automatic backtest-vs-live drift each week.

FAQ

Questions, answered.

What is backtesting?
Backtesting is the process of testing a trading strategy against historical market data to see how it would have performed. TradeZella offers three modes: guided AI scenarios, manual bar-by-bar replay, and fully automated runs that process years of data in minutes.
What is automated backtesting?
Automated backtesting runs your entire strategy across months or years of historical data without you clicking through each bar. TradeZella's engine parses your plain-English rules, simulates every entry and exit, and delivers a full performance report — win rate, profit factor, drawdown, and a chart of every trade.
How is AI backtesting different from bar replay?
Bar replay requires you to step through each candle manually, which can take hours per test. Automated backtesting processes the full history at once — the same rules, every bar, all results in minutes — so you can iterate faster and test more variations.
Can I backtest a strategy without coding?
Yes. Just describe your rules in plain English (e.g. "enter long when the 5m CHoCH forms above a 4h FVG, stop below the FVG, target the 1.5R"). Zella AI parses the logic, shows you the rules it extracted so you can confirm them, then runs the test.
How accurate is it?
Every fill is modeled using the actual historical bid/ask data for the instrument. You can review each individual trade on an interactive chart with the entry, stop, and target plotted. The parsed rules are shown before the run so you know exactly what was tested.
What markets can I backtest?
Futures, stocks, forex, and crypto. Historical data goes back to September 2014 — over 11 years. More instruments and data sources are added regularly.
Can I backtest manually as well as automatically?
Yes. Both modes live inside the same workflow. Describe a strategy and run it automatically, or switch to manual replay to step through any session bar by bar. No code required for either.
Does it understand concepts like FVG, CHoCH or SMT?
Yes. The AI natively understands Smart Money concepts including SMT divergence, CHoCH, FVG, iFVG, Power of Three (PO3), OTE, ADR, Asian range, and ATR-based rules. If you use these terms in your strategy description, they are parsed correctly.

Stop risking real money on untested strategies.

Describe a strategy in plain English and get a full report in minutes.

Backtest your first strategy
Set up in minutes · Cancel anytime