Quantopian Community
Can you make a custom fundamental metric?
154 views
2 replies
Long only System trading need help in codeing
1.1k views
39 replies
Format of dataframe
181 views
4 replies
Anyone know a source for put/call ratio data for stocks
136 views
1 reply
Referencing fundamental data of previous period
206 views
2 replies
order_target(sid, 0) does not close out position
121 views
2 replies
Backtest-548fd5c459bc370900a27258
Ex Japan Asia ETF Arbitrage
670 views
10 replies
Minutely History frame interval slicing
367 views
16 replies
ETF NAV feed?
76 views
0 replies
Backtest-5494641b37c8e37295150180
optimization using quadratic return
761 views
3 replies
Found a strange result
163 views
3 replies
Why does this code purchase the same stock twice?
122 views
4 replies
Backtest-548861a69540ce2abdba7f5e
Quantopian Miscalculation?
571 views
20 replies
Backtest-54937f36885aef0901e7f9b9
Suggestions on improving two-system trend algo
148 views
1 reply
how to deal with an OrderSecurityOutsideUniverse error?
4.7k views
5 replies
Snapshot
OrderSecurityOutsideUniverse Error with Fundamental Trading
150 views
7 replies
Backtest-542ff49da32990090039ad91
Using Fear and Greed Index
751 views
1 reply
history function returns NaN even when forward fill is set to true
74 views
2 replies
15 Million fund -- Quantopian is betting on you guys to produce
3.3k views
59 replies
Calculating dollar-volume
89 views
2 replies
Backtest-549238b2eb897e09b61063dc
why is this Long and Short SPY strategy so volatile?
304 views
2 replies
Backtest-548e2537eb897e09b6e0bd89
This algo is not working
168 views
1 reply
Fundamental Data Webinar happening in less than 24 hours
130 views
0 replies
How Long Until Global Equities Are Available?
182 views
3 replies
Backtest-5174758975c206066ed84e9f
System based on Easy Volatility Investing by Tony Cooper @ Double-Digit Numerics
22.6k views
83 replies
How are acquired companies dealt with?
93 views
1 reply
How to filter by multiple sectors?
144 views
4 replies
Backtest-548fe493b3ee8d090a672ce2
citigroup overnight returns since 2008 crash
455 views
4 replies
Backtest-548de7377551810931dccd8d
Fundamentals Morningstar Ratings
653 views
7 replies
Risk free rate in Sharpe Ratio computation
156 views
2 replies
multiple algorithms running and the position and account object
124 views
1 reply
How to reference buy date?
109 views
3 replies
Is there a way to select specific stock from universe?
177 views
2 replies
Sorry, me again!
134 views
2 replies
Loading files other than CSV.
363 views
7 replies
How could I access previous data from function "a = b + c" through the attribute ".loc"?
59 views
2 replies
Help with my algorithm using fundamental data
191 views
1 reply
Two Questions about IB Live Trading
150 views
4 replies
Backtest-548d036497680b0936963a2e
Using #Fundamentals growth ranking for healthy growth stock picking strategy
649 views
2 replies
How to "chunk" minutely data into 5, 15, 78 minute bars?
179 views
7 replies
Backtest-548eb261eb897e09b6e69427
Picking stocks using Earnings per Share
159 views
0 replies
Backtest-548e272aeb897e09b6e0c394
This algo did 8% better
194 views
0 replies
Backtest-548e268c885aef0901980fc7
Again this algorithm doesn't work
78 views
0 replies
How we define performance?
75 views
2 replies
Backtest-548a20337a0bcb0905af5798
A quantitative value investing strategy using fundamental data
1.4k views
12 replies
Backtest-548cf579864e5f094e44fb41
"history" for quandl's fetched csv data
81 views
1 reply
Quantopian script on Visual Studio
109 views
3 replies
help with build error, Pandas pivot_table
76 views
1 reply
Live trading failsafes
180 views
2 replies
Community Poll: Expected Semantics of get_datetime() with a timezone argument in daily mode?
234 views
21 replies