Search result found: 94


 
Joseph Chang

Why PL keeps changing while my position is zero?

From my understanding, NAV and "Cumulative PnL" should remain unchanged, if there is no outstanding positions. However, from the backtest result (see highlighted below), for certain days when "Net Position" is zero, "Cumulative PnL" is not constant. ...

2
3,164
3 year ago
 
Lee Chang Jun

How can I access whether certain trade closed with either targetprofit or stoploss?

I looked at the documents for querying orders but I couldn't find how I can query closed orders. I need to know whether my orders closed with target profit or stop loss. May I know how I can access th ...

4
2,763
3 year ago
 
Duval LC

Python 3.14 Deep Dive: 6 Features You Need to Start Using Today

The much-anticipated Python 3.14 was officially released on October 7, 2025, marking the latest evolution of the world's most popular programming language. While we can’t promise it tastes like des The Python Steering Council has been hard at work, and 3.14 marks a significant milestone in the "Faster CPython" project. From a mature JIT compiler to smarter error handling, here is everything y ...

0
595
1 month ago
 
Jackson

How can I use custom dataset for backtesting?

Have anyone successfully uploaded their stock dataset and do backtesting? I cannot find the .csv file that I have uploaded, in the "backtest" script. Thank you. ...

1
1,131
8 month ago
 
Duval LC

10 Powerful Python One-Liners Every Data Engineer Should Know

If you spend your days stitching together ETL jobs, watching dashboards, and taming semi‑structured logs, Python one‑liners can feel like superpowers. They compress intent into readable, testable s ...

0
965
3 month ago
 
Ng Pui Tsun

How to access news data feed to do sentiment analysis?

How to access news data feed and how to change the parameter of news data feed function? And does it output a dataframe or a dictionary? ...

1
2,662
3 year ago
 
丁先生

Market data not align with Yahoo Finance

Hello community, I have a question regarding the dataset on the platform. I use the getHistoricalBar ...

1
1,281
8 month ago
 
Kumar

How to set limit close order?

Hello, I found that the close order API only support market order. How can I close a position using limit order? ...

2
2,840
3 year ago
 
Nezuko

Too annoying for IBKR to re-auth weekly...

Hi, does anyone use IBKR TWS for trading? I've been getting lots of "None" type returns from IBKR's API. Is IBKR's API still doing that thing where you have to install their clien ...

1
2,001
2 year ago
 
Shum

哪裡可以查看algo運行情況?

剛剛訂閱了一個algo試用, 請問哪裡可以查看algo是否運作正常? ...

1
2,266
3 year ago
 
Joseph Chang

Initial capital is missing in livetest?

I can set "initial capital" for backtest, but I can't where to set it for livetest. How can I reset the capital for live simulation? ...

1
2,993
3 year ago
 
David

How to query on-the-run future data?

Hello community! According to REST API Doc , I know I can query historical OHLC data for pla ...

1
3,625
4 year ago
 
金爺

How to generate backtest report from Portfolio Optimizer?

Hi there, I have developed several simple trading strategies. Following the optimization method from the youtube tutorial ( ...

2
1,927
1 year ago
 
CHEN Chi Wei

Data Missing

I was testing my strategy for the algo challenge, but I saw for one moment the WTIUSD has data missing in 2022-01-17 while it should not. Is this a bug from market data feed? ...

2
982
7 month ago
 
大聖

Improvement for many stocks input in the instrument list

Hey, I have a trading strategy which trade on a basket of many stocks and rebalance weekly. The current system needs to manually choose the stocks one by one. It is too time consuming and not ...

4
4,869
9 month ago
 
William Cheung

How to change leverage and currency for live test?

Hello, for the live test account, I would like to change the base currency to HKD , instead of USD also the leverage to 10 , instead of 5 ...

2
4,041
3 year ago
 
Gary Fung

How to close orders by orderRef?

Hey there! I have a backtest script containing multiple strategies. I managed the orders in a way that orders opened from the same strategy will have the same order reference. ...

1
2,507
2 year ago
 
Sharwan Patel

How to set order volume to balance percentage?

Hi all, I have a question related to placing orders. I checked from Tech Doc that the order volume refers to the number of contract to buy. However, I want to buy for 1% of balance ...

5
2,908
3 year ago
 
shah

how to get minute level data into Jupyter notebook

i have tried this by changing the D to M.. but it did not work ...

3
963
8 month ago
 
chantomkit

Can I use the getHistoricalBar only for live testing

Hello, I want to ask about the function of getHistoricalBar. For example in backtesting, I want to get the historical 2min bar data of certain instrument and calculate some indicato ...

1
3,109
3 year ago
 
長崎良美

How to backtest with my own non-market datasets?

I looked at this article about backtesting with custom datasets, which ...

1
825
3 month ago
 
Fred

How to co-edit a backtest script with my teammates?

Hi, my team is working on an algo project. Can we code and comment a backtest script at the same time? ...

3
521
2 month ago
 
tony lam

3 Tips to make your code more pythonic

This article will introduce you to the top 3 ways you might not be fully taking advantage of to write better Python code, including: List Comprehension Dictionary Access ...

3
2,945
3 year ago
 
Max

Product Input Simplification

I found that the selected products involved in the trading strategy require manual inputs. It takes lots of time if many products are involved. Therefore, I would like to know if there is an approach ...

1
809
7 month ago
 
user

Hi , is it possible to import a cython module into

Hi , is it possible to import a cython module into the strategy code to use its functions ? ...

1
1,788
2 year ago



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