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charts in CBOT grains changing overnight

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[2024-06-15 15:42:45] #1 [Go To First Post]
User849502 - Posts: 316
John, there is something very odd happening with my cbot corn and bean charts, and I have timestamped proof to show you. I just started charting them and created a chartbook. On Thursday I noticed everything looked totally different from the day before. Pocs moved, highs and lows moved, and I thought I was going crazy. I fixed everything and took a screenshot-clearly dated in the first attached file. I have taken that saved screenshot and opened it directly under the tpo as it appears now on Sat afternoon. Look at the 5th of June. On the saved screenshot from 13th, it is clearly 453.75, and the volume poc that day is highlighted with a pink horizontal line. Now look above at what I opened this morning. TOTALLY different chart. The low on the 5th is now 456, and the volume poc has equally jumped up. I DID NOTHING from last night and closing down my SC, to this morning restarting SC. Nothing. For further proof, late yesterday afternoon I sent a friend a screenshot of my 60-minute charts in corn and beans on Discord which is attachment 2 showing my conversation with her and the charts. Attach 3 is that saved file image below what I now see on my screen. The charts are utterly different as you can see. Have you any idea what is happening now twice? How in the world does everything about the structure of the charts change when I did nothing but close down SC for the night and reopen it in the morning? I changed nothing and touched no settings. I haven't a clue now what is any legit high or low. And soybeans are exactly the same. I don't need to send you those too, but charts all different highs, lows, structure... Please can you help me? Again, I have done nothing to the settings. Only closed it down with charts looking one way, and when I reopened they are nothing like what they were the day before. I have never ever seen this.


Screenshot 2024-06-15 154840different.png / V - Attached On 2024-06-15 15:25:30 UTC - Size: 699.32 KB - 44 views Screenshot 2024-06-15 162719discord.png / V - Attached On 2024-06-15 15:28:14 UTC - Size: 411.73 KB - 30 views Screenshot 2024-06-15 16311760min.png / V - Attached On 2024-06-15 15:31:37 UTC - Size: 480.36 KB - 38 views

[2024-06-16 11:41:05] #4 [Go To First Post]
User431178 - Posts: 495
What is this set to https://www.sierrachart.com/index.php?page=doc/DataSourceSettings.php#1TickData? Global Setting -> Data/Trade Service Settings -> Maximum Historical Intraday Days to Download -> 1-Tick Data Probably you need to increase to more suitable number.

[2024-06-16 13:07:55] #5 [Go To First Post]
User849502 - Posts: 316
Hi this is what it is set to. If I put Dec Corn on continuous it goes back, but not if NONE is chosen. I only want to see the Dec Corn contract with no rollover, no adjustments. I should be able to see that dec contract at least thru feb of this year, but the data wont load. Thank you so much for answering.

[2024-06-16 14:31:10] #6 [Go To First Post]
User431178 - Posts: 495
Hi this is what it is set to What do you mean, that setting is a number of days for 1-tick data? See image, highlighted setting. If I put Dec Corn on continuous it goes back Yes, that would be because the above setting does not affect download for continuous contract, but does apply in your use case. Date Time Of Last Edit: 2024-06-16 14:31:35


data-days.png / V - Attached On 2024-06-16 14:29:06 UTC - Size: 34.08 KB - 28 views

[2024-06-17 06:29:08] #7 [Go To First Post]
User849502 - Posts: 316
Can anyone please give me a simple answer as to why just looking at the past week in Dec Soybeans you get different highs, lows, and structure? One chart is continuous and one is NONE as you can see. Why and how do I get 74.75 as the high on 5 June in continuous, but only 72.25 in the NONE chart? How within the last week, where Dec is the lead new crop, can the price be so different? Which is right? How do I get a simple market profile of prices that ACTUALLY traded at the CME that day? One of these charts is very very wrong, but which, and why is it giving a 2c difference in price? The charts are essentially totally different, yet the same product, for te last week. Help I don't get it.


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[2024-06-17 06:34:22] #8 [Go To First Post]
User849502 - Posts: 316
if I take ES which I have as a continuous contract, and I dupe chart and make it NONE it looks exactly alike! So why do beans and corn go mental? I know it must do with old vs new crop but can someone explain it? And please all I want is a pure Nov bean contract with nothing but prices that actually traded that day at CME, AND for it to go further back than may. Thank you thank you thank you if anyone can help me

[2024-06-17 06:42:53] #9 [Go To First Post]
User849502 - Posts: 316
Dear User 431178, I have my NONE chart set to number of days to load-200, and in the graphics setting you sent me to I have 730. So why does the chart stop and 21 May? I am sorry if I am misunderstanding your kind replies, I am trying my best, but I don't see what I am doing wrong. All I want is simple data, no rollover, no back adjustment, and for more than a month. That must be possible in the grains.... THANK YOU SO MUCH I APPRECIATE YOUR TIME I REALLY DO


Screenshot 2024-06-17 074226setting.png / V - Attached On 2024-06-17 06:42:46 UTC - Size: 306.51 KB - 31 views

[2024-06-17 08:02:08] #10 [Go To First Post]
User431178 - Posts: 495
That must be possible in the grains.... Yes, definitely possible, I mean it works for me. Did you already try delete and redownload (after you set continuous contract to none)? Edit -> Delete All Data and Download

[2024-06-17 16:33:34] #11 [Go To First Post]
John - SC Support - Posts: 34254
To begin with, you are looking at the 2024 contract, so you can get data back to about November 2023. To do this, change the setting for "Chart >> Chart Settings >> Data Limiting >> Date Range in File From" to something well before that date - say 2020 something. This will then download all the data for that contract as far back as it exists. Then enter a very large number in the "Days to Load for Intraday Charts", something around 500. Again, you just need to ensure you have more than the amount of data that is actually available. For the most reliable, advanced, and zero cost futures order routing, use the Teton service: Sierra Chart Teton Futures Order Routing

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