Suggest to support notify_rollover just like notify_timer,
in notify_rollover event,add new data delete old data.

The following links could help solve the problem:
https://github.com/erdewit/tws_async

tws_async

Integrate the Python IB API from Interactive Brokers with asyncio.

Unix

Unix users can use the tws_async.py script. It requires Python version >= 3.5 and the Interactive Brokers API.

Windows

Windows users are encouraged to use the tws_async_windows.py script that bypasses some reconnect issues.

@RandyT said in v1.x -Quick Roadmap:

e instrument.

To achieve this,
AcountManager(based Acount LEVEL)/Order and Position Tracker & Recovery(based Engine LEVEL)/Strategy Position Manager(based Strategy LEVEL)
are needed,
just like IB:
AccountManager:
* AccountAdvisor
* AccountOwner
* Account
PortfolioManager:
* Portfolio
* Position
OrderManager:
* Order
* Execution