What is a Limit-if-Touched (LIT) Order? Definition, Formula, and Example
A Limit-if-Touched (LIT) order is a conditional order that triggers a limit order only after the market price reaches a specified trigger level.
What is a Limit-if-Touched (LIT) Order?
A Limit-if-Touched (LIT) order is a conditional order that sits dormant until the market price reaches a predetermined trigger level, at which point it activates and submits a standard limit order. The LIT order provides traders with strict price control over execution while automating the entry trigger. Unlike a Market-if-Touched (MIT) order that prioritizes immediate execution and accepts slippage, the LIT order ensures the trader pays no more than the specified limit price after the trigger fires. This order type is favored by algorithmic and quantitative traders to automate dip-buying or rally-selling strategies without manual intervention.
How it's calculated / identified
A LIT order requires three inputs: the trigger price, the limit price, and the order quantity. The order rests off the public order book in the exchange's routing system. The exchange monitors the asset's Last Sale price.
For a buy LIT order, the trigger price is set below the current market price. When the asset's price trades down to or below the trigger price, the system submits a buy limit order at the specified limit price. The limit price is usually set at or slightly below the trigger price. If the market moves too fast, the limit order rests on the book. For a sell LIT order, the trigger price is set above the current market price; once triggered, a sell limit order is placed at the specified limit price.
Worked example
Assume MSFT is currently trading at $400.00. A trader wants to buy 100 shares if the stock drops to $395.00, but refuses to pay more than $395.00. They submit a buy LIT order with a trigger price of $395.00 and a limit price of $395.00.
At 1:00 PM, MSFT trades down to $395.00. The LIT order triggers, automatically submitting a limit order to buy 100 shares at $395.00. If the stock bounces immediately to $395.05, the order rests unfilled. If the stock continues dropping to $394.90, the limit order executes 100 shares at $394.90, giving the trader a better-than-expected fill.
When traders use it
Traders use LIT orders to automate entries at specific technical levels while enforcing strict price boundaries. Retail swing traders use LIT orders to buy support levels overnight without watching the screen. Institutional execution algorithms use LIT orders to scale into large positions gradually, triggering limit orders at successive support levels to avoid moving the market. It is also used to sell into sudden rallies; a trader sets a sell LIT order above resistance to capture a breakout pop while ensuring the limit order caps the execution price.
Limitations / common misconceptions
The primary limitation of a LIT order is execution uncertainty. Because it triggers a limit order, there is no guarantee the order will fill. If the market triggers the order and immediately reverses, the trader misses the trade entirely. A common misconception is that a LIT order guarantees a fill at the limit price once the trigger is hit. The limit order only fills if the market remains at or beyond the limit price long enough to match. Traders also confuse LIT orders with stop-limit orders; a buy stop-limit triggers when price moves *up* to the stop price, while a buy LIT triggers when price moves *down* to the touch price.