Overnight High/Low for NinjaTrader: Global Liquidity Anchors
This utility is included with all other tools in the MP Systematic Trading Suite, including the MP Trade Copier, MP Entry, and our full range of automated strategies and trade management systems.
The Map of Global Liquidity
For New York session traders, the Overnight High (ONH) and Overnight Low (ONL) represent the price boundaries established during the London and Asian sessions. These levels act as massive “Liquidity Pools” where institutional stop-orders often reside. The MP ONH/ONL indicator automatically identifies these benchmarks and carries them forward into your active trading session, providing a roadmap for high-probability setups at the NY open.
Technical Specifications & Logic
- Dual-Window Intelligence: The script uses a specific “Accumulation Window” to find the peak and trough of the global session and a “Display Window” to plot those levels during your chosen trading hours.
- Automated Midnight Transition: Engineered to handle the “Midnight Quirk” in NinjaTrader, ensuring the accumulation logic remains accurate even as the calendar date shifts.
- Real-Time Labeling: Dynamically plots “ONH” and “ONL” text labels at the right edge of the chart for immediate visual orientation.
- License Protected: This utility requires the MP Package DLL from the Discord channel to be present in your NinjaTrader assembly to initialize.
User-Configurable Parameters
The MP ONH/ONL allows you to define exactly when your “Overnight” begins and ends to match specific asset classes or global economic shifts.
| Parameter | Default | Description |
| ON Start Time | 18:00 (6:00 PM) | When the indicator begins looking for the global high/low. |
| ON End Time | 09:30 (9:30 AM) | When the accumulation period ends (usually the NY Open). |
| Display Window | 09:30 – 17:00 | The specific time frame during which the levels are visible on your chart. |
| Line Style | Solid (1px) | Customizable thickness and color (Default: Brown) to match your workspace. |
The Systematic Strategy: The “Liquidity Sweep” Shift
Markets often “run” the overnight high or low shortly after the NY open to grab liquidity before the true session trend begins.
- The Approach: Price aggressively moves toward the ONH or ONL within the first 30 minutes of the NY open.
- The Inducement: Retail breakout traders enter as the level is breached, thinking a major trend is starting.
- The Shift: The MP Trigger identifies a failure to hold above/below the level (a “look above and fail”).
- The Entry: Enter a reversal trade targeting the opposite end of the range or the MP VWAP line.