Manta, Ecuador
Site Administrator Developer Swing Trader
Experience: Advanced
Platform: Custom solution
Broker: IBKR
Trading: Stocks & Futures
Frequency: Every few days
Duration: Weeks
Posts: 50,322 since Jun 2009
Thanks Given: 33,143
Thanks Received: 101,476
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Check your lookback period, for weekly it needs to be > 7 days, monthly > 30 days...
Also check to make sure you actually have data that far back, perhaps historical data is missing.
Mike
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