Stop Getting Wicked Out of Your Best Trades
Have you ever set a textbook stop-loss, only to have a random 10-second morning wick tap your stop by 5 cents, dump you out, and immediately rocket to the moon without you? Before you risk real money, test your stocks in the AlphaTunnel. See if market makers can hunt your stop—and calculate your exact survival cushion in seconds.
A Wind Tunnel For Your Trades
Car makers test prototypes in a wind tunnel before they hit the road. We test your stocks in a market volatility simulator before you hit the BUY button.
1. Pick Your Stocks
Enter any US stocks or ETFs (like Apple, Nvidia, Tesla, or your favorite swing picks) and enter your planned trade size.
2. Choose a Stress Test
Pick famous market crash replays—like the 1987 Black Monday, the 2020 Panic Drop, or a sudden morning Flash Dump.
3. Get Your Stop Buffer
AlphaTunnel calculates the exact dollar buffer you need below support so predatory wicks don't trigger your stop prematurely.
Three Powerful Tools To Protect Your Capital
Engineered to defend retail traders against predatory market maker algorithms.
Stop-Loss Wind Tunnel
Test your stock basket in 3 seconds. Find out if a morning market-maker shakeout will trigger your stop loss, see your worst-case drawdown, and get your exact ATR survival buffer.
20-Day Compounding Simulator
Simulate 20 days of consecutive trading across Bull, Bear, and Choppy markets. Test our 80/20 House Money risk algorithm to see how profits compound while protecting starting capital.
Market Maker Trap Radar
Deep-book dealer gamma mapping and liquidity vacuum visualization. Detects where big institutions are setting stop-hunt traps before the opening bell rings.
The Mathematics Behind the Shield
Why standard textbook stop-losses fail—and how the Merton (1976) Jump-Diffusion engine protects you.
Normal Market Drift
Standard days when buyers and sellers trade smoothly. Traditional indicators only measure this smooth part of the market.
Sudden Liquidity Shocks
When headlines hit, bids vanish, and predatory market makers hunt resting stops. Standard models ignore this; AlphaTunnel simulates it directly.
Your True Stop Cushion
By modeling thousands of sudden wicks, AlphaTunnel calculates the exact extra dollar distance you need so you don't get shaken out right before the stock rips higher.
4 Smart Protections Built In
Proven quantitative safeguards designed to keep everyday retail traders safe from market-maker traps.
Panic Drop Shield
Blocks you from catching a falling knife during high-volume dumps until big buyers actually step in to support the price.
Revenge-Trading Lock
Enforces a 45-minute cooling off period after getting stopped out, so you never chase bad trades out of frustration.
Stop-Loss Safety Cushion
Calculates an exact extra 0.15% to 0.35% buffer below support, so a 1-second price wick doesn't shake you out right before a rally.
Smart Position Sizing
Automatically trims your trade size when the market is choppy or unpredictable, preserving your cash for high-probability setups.
Institutional Trust & Cloud Security
Bank-grade data isolation, full European GDPR compliance, and air-gapped brokerage safety.
Frankfurt Native Cloud
All simulation calculations and user databases run strictly in Google Cloud europe-west3 (Frankfurt, Germany). Low-latency European execution with zero unauthorized transatlantic data transit.
100% Capital Safety
AlphaTunnel is a standalone risk simulation engine. We never connect to your live brokerage account, execute trades, or hold custody of funds. Your actual trading money remains 100% untouched and safe in your own broker.
GDPR Art. 15, 17, 20 Native
Full European data sovereignty. Every user has automated, 1-click self-service access to export their complete cryptographic data dossier (JSON) or permanently erase their account and data in seconds.
PCI-DSS Level 1 Stripe Billing
Subscriptions and payment details are processed exclusively through Stripe's certified Level 1 PCI-DSS infrastructure. Credit card details never enter or touch AlphaTunnel servers.
Transparent Prosumer Pricing
Institutional risk analysis at consumer-friendly subscription rates.
Free Tier
€0 / month
- 3 Full Portfolio Simulations / month
- Top 100 S&P 500 Equities & ETFs
- Standard Historical Shock Scenarios
- Accessible Screen Reader Support
Alpha Pro
$5 / month
- 50 Simulations / month
- Unlimited Custom Portfolio Baskets
- Custom Volatility ($\sigma \times 3.0$) Multipliers
- Exportable PDF Risk Dossiers & CSV Tables
- Priority In-Memory Compute Queue
Friends & Family VIP
Invite Only
- Unlimited Portfolio Simulations
- Beta Access to New Regime Models
- Direct Channel to Sarah & Dominic
- 100% Free Forever
Stop-Loss Wind Tunnel
Enter your stocks, pick a crash scenario, and test your stop-loss buffer in 3 seconds.
1. Your Stocks & Trade Size
| Ticker | Sector | Allocation ($) | Weight (%) | Daily Volatility | Action |
|---|
2. Choose Crash Stress Test
Dominic's Admin Mission Control
Live platform pulse, VIP tester management, and real-time simulation telemetry stream.
User & Friends/Family VIP Manager
Search registered users and toggle VIP tester privileges instantly:
| User Email | Display Name | Tier | Quota Used | MFA Active | VIP Action |
|---|
Live Simulation Telemetry Audit Stream
Real-time trace of stress tests executed across the platform:
| Timestamp | User | Basket Tickers | Scenario | Max DD% | Shakeout% | Verdict | Latency |
|---|