Why is my algo strategy not executing trades after this update?

This usually happens if your strategy is still using market orders or has incorrect limit buffer settings.

What does “convert to market after 45 seconds” mean?

It means the system will try to execute your limit order by adjusting the price for up to 45 seconds before stopping or triggering an error.

Can limit orders cause missed trades?

Yes, if the buffer is too low or the market moves quickly, your order may not get filled.

How do I update my AlgoTest settings after the market order ban?

You need to switch both entry and exit order types to limit orders, set an appropriate buffer, and configure execution timing correctly.

Are market orders banned in algo trading in India?

Yes, market orders are effectively banned for algo trading via APIs. Brokers now allow only limit orders to comply with SEBI regulations.

Why are market orders not allowed in algo trading anymore?

SEBI has restricted market orders to reduce slippage, improve execution control, and prevent risky or misfiring automated strategies.

What happens if I still use market orders in my algo strategy?

Your strategy may fail to execute or go into error mode, as market orders are no longer supported on most algo platforms.

What is the difference between market orders and limit orders?

Market orders execute instantly at any available price, while limit orders execute only at a specified price, giving better control over execution.

Do limit orders reduce slippage in algo trading?

Yes, limit orders can help reduce slippage by ensuring trades execute within a defined price range instead of any available price.

What is the ideal limit order buffer for algo trading?

Typically, 8–10% for options and around 1% for futures are recommended, but it can vary based on strategy and market conditions.

Market Orders Banned in Algo Trading India? Here's the Fix on AlgoTest

AlgoTest

Apr 03, 2026

•

4 min read

•

General

Algo trading in India is undergoing a major structural shift.

If your strategies rely on Market Orders, this change directly impacts your execution, performance, and even whether your trades run at all.

Under new compliance measures introduced by SEBI, brokers have started disabling Market Orders via APIs and algo trading platforms.

The result is clear: Limit Orders are now the default and in many cases, the only option.

So the key question is:
Are market orders banned in algo trading? In practice, yes.

So, let's take a look at what it means and how you can adapt your execution setting on AlgoTest.

Why Are Market Orders Being Removed?

This move is part of SEBI’s broader effort to bring more discipline and control into algo trading.

Here’s what’s driving this change:

Reduced uncontrolled slippage
Improved execution transparency
Prevention of runaway or misfiring algos
Stronger risk management

Market Orders execute immediately, but you don’t control the price. So if the market is moving fast, you might end up buying or selling at a worse price than expected.

Limit Orders let you choose the price you’re willing to trade at. This gives you more control and helps avoid unexpected losses, even if the trade doesn’t execute instantly.

In simple terms, algo trading is moving from “execute fast at any price” to “execute at the right price, even if it takes a little time.”

What Happens to Your Existing Strategies?

If you’ve been using Market Orders, here’s what changes:

1. Automatic Conversion (Short-Term Fix)

Some platforms convert:

Market Orders to Limit Orders
Using default buffers (often around 10%)

However, this comes with risks:

Slippage still exists
Orders may not fill
Execution delays increase

2. Hard Restriction (Long-Term Reality)

Going forward:

You must define Limit Orders manually
The Market Order option will completely disappear
Strategies not updated will go into error or fail to execute

Also Read: Market Orders Banned / Limit Order Execution Update

The Real Risk: Slippage vs Missed Trades

This change introduces a new execution trade-off that every trader must manage.

Scenario	What Happens
High buffer (e.g. 10%)	Higher fill rate, worse price
Low buffer (e.g. 1%)	Better price, risk of no fill
No optimization	Strategy becomes unreliable

Example

Buy signal at ₹100
10% buffer results in order placement at ₹110

This means you pay ₹10 extra per lot.

When repeated across multiple trades, this can significantly impact your overall P&L.

How to Update Your AlgoTest Settings (Step-by-Step)

Watch: Hindi tutorial on the AlgoTest YouTube channel

To keep your strategies running smoothly, you must update your execution settings correctly.

Step 1: Go to Execution Settings

Open the AlgoTest dashboard

Select your strategy
Click on Execution Settings

All required changes will be made here

Step 2: Convert Market Orders to Limit Orders

Change Entry Order Type to Limit
Change Exit Order Type to Limit

If this step is skipped, your strategy may fail or move into error mode.

Step 3: Set the Right Limit Buffer

Recommended settings:

Options: 8% to 10% minimum
Futures: around 1%

Key considerations:

Very low buffer (1–2%) can lead to missed trades
Very high buffer can lead to poor execution prices

A balanced buffer is critical for performance

Refer to Trigger and Limit Buffer for more details

Step 4: Set “Convert to Market After” to 45 Seconds

Set this value to a minimum of 45 seconds

This allows the system to adjust the limit price dynamically and attempt execution.

Setting this too low (5–10 seconds) increases the risk of missed trades.

Step 5: Understand the Price Chasing Mechanism

Example:

Signal price = ₹100
Buffer = 8% → Order placed at ₹108

If the price moves, the system continues adjusting the limit price incrementally for up to 45 seconds.

If the order is still not filled, the strategy moves into error mode.

Step 6: What to Do If the Strategy Goes Into Error

Do not simply resume the strategy.

Follow this process:

Stop the strategy
Go to execution settings
Update:
- Order type to Limit
- Correct buffer percentage
- Timeout to 45 seconds
Reactivate the strategy

Step 7: Apply This in Strategy Builder

Even when placing trades through:

Strategy Builder
Signal-based execution

Always use Limit Orders with an appropriate buffer.

Market Orders should not be used.

Explore - AlgoTest Strategy Builder for Free

Final Takeaway

This is not just a regulatory update; it is a shift in how algorithmic trading in India will function now.

Earlier, execution speed was the priority.
Now, execution precision is equally important.

Traders who adapt to this change will benefit from better control and more consistent performance. Those who do not update their strategies risk execution failures and avoidable losses.