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About the Alpaca Market Data category
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1
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2003
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June 1, 2020
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Tick data / 10 second bars available?
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1
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20
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July 17, 2026
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Persistent 401 Unauthorized on data.alpaca.markets (trading API works fine)
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2
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57
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July 14, 2026
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Last quote spread and BBO
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5
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1076
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July 3, 2026
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Question about P&L
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0
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54
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June 26, 2026
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Bid and Ask during extended hours?
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2
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55
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June 25, 2026
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Web Portal Sluggish
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0
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38
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June 18, 2026
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Historical option quote question
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1
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63
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June 17, 2026
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Using IEX API fails to return any bars data
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0
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39
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June 9, 2026
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Missing morning session in historical option trades — 2024-02-26 and 2024-03-15 (OPRA)
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0
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30
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June 6, 2026
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Missing DATA for AMT
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1
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57
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June 5, 2026
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How to get volatility data (VIX, VXTLT, etc.)?
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7
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4327
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May 28, 2026
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Longer access times/timeouts
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17
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429
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May 27, 2026
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Delayed data (today's date -2 ) in daily charts and also in API call
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2
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101
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May 19, 2026
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Historical bars of symbol “AKTS” are comprised of two different stocks?
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0
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32
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May 6, 2026
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Buckets or no buckets
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0
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34
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May 3, 2026
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Bad data - Incorrect Price Adjustment for Cash Dividend?
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2
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68
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April 23, 2026
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Owner has an account in a rejected status
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2
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127
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April 15, 2026
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Paper Trading market orders fill delay
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5
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197
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April 13, 2026
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Trouble getting accurate VWAP data
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0
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89
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March 19, 2026
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PEAK merger with DOC and wrong daily SIP data
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2
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56
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March 16, 2026
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PED reverse split not handled in paper accounts
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1
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40
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March 14, 2026
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SIP Odd Lot Quotes & Best Odd Lot Order (BOLO) in Market Data
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0
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46
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March 12, 2026
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Access to Top Gainers in Premarket
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5
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260
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March 12, 2026
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Paper account and ws news feed on sandbox
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1
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70
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March 2, 2026
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Morning 9:30 AM to 9:40 Missing Data Points
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10
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128
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February 26, 2026
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Websocket not sending any messages
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4
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179
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February 20, 2026
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Error: "OPRA agreement is not signed"
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1
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327
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February 18, 2026
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Bar Calculation (CTS guidance) and Alpaca Article Discrepancy
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2
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45
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February 18, 2026
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Earnings announcement dates?
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2
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1148
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January 29, 2026
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