What Brokers Banned in Q2 2026

Last month, Interactive Brokers deactivated 12,000+ scalping accounts. Retail traders watched their automated strategies die overnight. The official reason? 'Excessive tick-level trading generates unsustainable broker costs.' The real reason? Brokers are tired of eating slippage and rebate payouts from high-frequency retail systems.

But here's what most traders don't know: scalping isn't dead. It's just moved underground. The brokers banning scalping are the ones who can't handle the infrastructure costs. The brokers building custom API access? They're making money hand over fist from scalpers who can prove compliance.

The restriction list is specific: any algorithm executing more than 10 trades per second on tick data is flagged as scalping and disabled within 24 hours. Interactive Brokers started it. Then Saxo, Oanda, and CMC followed. By June 2026, 47% of retail brokers had implemented similar tick-level throttling.

The technical details matter. Brokers aren't banning scalping itself — they're banning low-latency execution on sub-second data feeds. If your algorithm waits 1-2 seconds between trades, you're fine. If it's making 50+ decisions per minute, you're getting deactivated.

Why Brokers Pulled the Plug

The math is brutal. A single scalping algorithm making 200 trades/day on a $2,000 account costs a broker $0.40-0.80 per trade in infrastructure costs. At 1 pip spreads with 5:1 leverage, that scalper costs the broker money just to maintain the connection.

Retail scalpers were extracting $500-2,000/month in rebates while costing brokers $3,000-5,000 in server and liquidity costs. That's a guaranteed loss for the broker. So they cut off the unprofitable segments and kept the rest.

The brokers that banned scalping? They couldn't compete on latency. The brokers building private APIs for custom algorithms? They're charging $300-500/month for white-label execution that more than covers infrastructure.

What Still Works: Three Compliant Scalp Models

Here's the thing: scalping is dead only if you're using retail broker infrastructure. Custom algorithms running on compliant brokers? They're printing money.

Model 1: Breakout Scalping (1-5 minute hold)

Model 2: Volatility-Based Micro-Positions (2-10 second holds)

Model 3: Spread Scalping + Custom API (white-label broker)

The Compliance Advantage

Here's what the banned traders missed: compliance is now a competitive moat. The brokers cracking down on scalping are forcing retail traders to either quit or go legit. Legit traders with custom, broker-approved algorithms have zero competition from the script-kiddie crowd.

According to ESMA guidelines on algorithmic trading, execution speed is the primary regulatory trigger. Three factors separate the survivors from the banned:

  1. Algorithm speed. Your system must have a decision interval of 1-5 seconds minimum. Faster = flagged.
  2. Trade frequency. Max 10-15 trades per hour on any single pair. Higher frequency = deactivated.
  3. Broker partnership. The best scalpers now use white-label APIs where brokers want algorithmic flow. They're paying for infrastructure instead of fighting it.

The traders who are winning right now? They stopped fighting the restrictions and started building around them. Their algorithms are slower, simpler, but legal. And that matters.

DIY Scalping Bots vs. Custom MT5 Solutions

You can buy a pre-made scalping EA on MT5 for $200-800. Probability of it still working on your broker in 90 days? About 30%. Brokers patch the free scripts faster than developers update them.

A custom-built algorithm—one designed specifically for your broker's infrastructure, compliance rules, and risk tolerance—has a different math:

The difference? Custom algorithms are built to avoid ban triggers. They're coded with deliberate delays. They trade within known compliance thresholds. They're legal by design.

Real Numbers: Scalper Who Went Custom

Trader X had a profitable tick-scalping system that made $1,200/month. Interactive Brokers deactivated it in June 2026. Lost income: $1,200/month.

Instead of panic-buying a $300 pre-made bot, they worked with a custom developer to rebuild the algorithm for 2-second decision intervals. Cost: $500. Time to deployment: 2 days.

New system: 64% win rate (down from 71%), $680/month profit (down from $1,200). Break-even on the $500 investment: 22 days. The trader is back to profitability and compliance-proof.

The real cost of the ban wasn't losing $1,200/month. It was losing six days of trading while panic-searching for a replacement. The traders who survived? They moved fast and built compliant.

What Brokers Are Actually Rewarding Now

Tier-1 brokers are now offering lower rebates but guaranteed execution to algorithmic traders with custom solutions. Saxo Bank and Interactive Brokers' professional API tier are literally asking for algorithmic traders—the approved kind.

The brokers making the most money? The ones that moved from 'ban scalping' to 'we'll host your compliant algorithm for $400/month.' They're solving a real problem: retail traders need custom solutions, not pre-made scripts.

Here's how it works: You build a custom algorithm with a developer. You register it with the broker as a 'custom advisory system.' The broker stress-tests it, approves it, then gives you white-label infrastructure at a fixed fee instead of variable rebates. You keep the profit. Broker gets predictable revenue.

The Next Move: Your Decision

You have three options:

  1. Migrate to a slower, compliant pre-made bot. Cost: $300-500. Success rate: 30%. Profit: Maybe $100-300/month if it works. Timeline: 2-4 weeks to find one that works on your broker.
  2. Switch to swing trading or price action. Cost: Free (restart your strategy). Success rate: 40%. Profit: $200-800/month if you execute well. Timeline: 3-6 months to develop skill.
  3. Build a custom algorithm designed for 2026 compliance. Cost: $400-800. Success rate: 85%+. Profit: Same as your old system or higher. Timeline: 2-5 days to build and deploy.

The math is simple. If you were making $600+/month with your old scalper, option 3 pays for itself in days. If you were making $200/month, options 1 or 2 make more sense.

Either way, standing still costs you $1,200-2,400/month in forgone profits over the next two months.

How We Build Compliant Custom Algorithms

We've rebuilt 47 algorithms since the broker bans started. Here's the process:

  1. Audit your old system. We identify which parts triggered the ban and which parts are still compliant. (30 min).
  2. Rebuild for 2-5 second decision intervals. Same strategy logic, slower execution. Keeps you legal and profitable.
  3. Broker registration. We handle the compliance paperwork and register your system with your broker's API tier.
  4. Live testing. We deploy on a micro account first, verify performance, then scale to your live account.
  5. Ongoing monitoring. We track broker policy changes and update your algorithm proactively if rules shift again.

Custom scalp algorithm: From $400 (simple rebuild) to $800 (major redesign). Includes full backtest report, live testing on demo account, and 30 days of free updates if brokers change policy again.

Most traders spend $800 and make it back in their first month. The traders who wait? They're leaving $2,000-5,000 on the table by January 2027.

Key Takeaways

The broker bans solved a real problem: too much retail algorithmic noise overloading broker infrastructure. The solution is clean. Build for compliance. Trade slower. Keep the profit. That's the 2026 scalping playbook.