Quantopian Community
Default commission model very different from IB fees
170 views
14 replies
Z Score - moving average
21 views
2 replies
Reversing a losing strategy and still losing?
27 views
2 replies
We are now accepting submissions for the Quantopian Open
870 views
8 replies
order_target_percent
82 views
6 replies
Backtest-54f5e01bc7fdc6059ae6a0a1
Help on Momentum-Reversion Algo
65 views
2 replies
null:null WARN numpy/lib/nanfunctions.py:319: RuntimeWarning: All-NaN slice encountered
15 views
0 replies
Backtest-54f3c5a6973501313d754bbf
MACD-Mean-Reversion Strategy encountering KeyErrors with specific securities
109 views
3 replies
How can I get the 200 largest company tickers from NASDAQ to update monthly?
118 views
6 replies
Recommended books on finance?
71 views
1 reply
Using history(), how do I take a specific number from that?
56 views
3 replies
Time Delay on live trading
84 views
2 replies
Preferences for Backtest Lower Subgraphs?
33 views
1 reply
Array Transforms
99 views
4 replies
Research: An Update to Investing in Women-led Companies
77 views
1 reply
Error: Execution Timeout
306 views
32 replies
QuantCon Agenda
32 views
0 replies
This algorithm is not connected to Interactive Brokers. Log in to IB. Can't log into this IB account because it is already in use.
572 views
15 replies
Data for Correlation Matrix
79 views
3 replies
cloned "Multiple Securities" program does not build
32 views
1 reply
Who's coming to QuantCon?
66 views
4 replies
Backtest-54f6b9ecccacc10f1bd619e4
Why is my code not executing these orders?
93 views
2 replies
Quantopian Office Hours on Friday March 6 at 11AM EST
57 views
0 replies
Can you get 52 week-high without fetching outside data?
308 views
5 replies
Has anyone translated Wouter and Butler's new Elastic Asset Allocation model into python script?
136 views
3 replies
Backtest-54f017c719f3cc0f1164dfc6
CSSAnalytics - A Simple Tactical Asset Allocation Portfolio with Percentile Channels
738 views
19 replies
Starting with not so much $
259 views
8 replies
Backtest-54e0883c0ded0c0f099c5606
mean reversion w/ scipy.optimize.minimize
1.4k views
21 replies
Backtest-54f31acec7fdc60f0fb79b28
avoiding de-listing of securities
244 views
7 replies
Quantopian Managers Program - Algorithm Selection & Compensation
3.2k views
52 replies
How to create a symbol from string?
134 views
12 replies
Using our own data sources
54 views
1 reply
zipline question
78 views
4 replies
Research: Investing in Women-led Fortune 1000 Companies
8.1k views
16 replies
Trying on for size: a technical framework
132 views
2 replies
volume spike purchasing formula
125 views
5 replies
Why can't I call history in before_trading_start()?
59 views
1 reply
What's the appropriated way to give rating to any trading system?
43 views
1 reply
Need Help Porting Profitable "Honey Badger" Python Script to Quantopian
318 views
11 replies
Backtest-54dc0438bb5f8f0dc77cbb0a
How to dig a hole looking for GLD
423 views
4 replies
The fundamentals filter not allowed in live trading?
184 views
4 replies
Moving averages
119 views
3 replies
ATR looking back n days using talib
87 views
2 replies
Datetime compare with string
30 views
1 reply
how to get zipline work within a proxy network
36 views
1 reply
Fundamentals now available for Quantopian Open, Quantopian paper trading
124 views
0 replies
Backtest-54f1c29876c0ad0f0a06bc75
Overreaction
201 views
9 replies
Sneak Peek: Using a Quantopian Research Notebook to Analyze Share Buyback Data
3k views
11 replies
Is the contest being gamed?
2.6k views
107 replies
Close all current Positions and cancel their limit and stop orders (for one open position)
47 views
1 reply