F2O bug... being worked on.

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Cal Learner

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Apr 13, 2026, 11:07:05 PMApr 13
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The intention is that buys of the core fund not generate buys, but instead that the money be tracked in cash. Some time in probably February a change was made that caused a defect.

I will be looking into correcting it.

In the mean time, this will confuse balancing the cash account of your investment accounts. The workaround for now is to Void the buy of your core fund for February 27 and March 31. 

Sorry about that.

Cal Learner

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Apr 14, 2026, 12:15:52 PMApr 14
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J...@TheWho.org had identified the problem under discussion here. For the F2O + PocketSense user, there is a solution/workaround for the problem Joe identified; use an improved scrubber for PocketSense.

From https://drive.google.com/drive/folders/1-4fBbRxaPhNYZK0gNHuZ3n-Bdoncy2aR
download Scrub_CL7_1.zip

That contains a newer Scrub_CL7.py and Scrub_CL7.doc

The Scrub_CL7.doc file has some long text you don't need to read (but you might skim). The bottom line action item is in the bold part. 

Feel free to comment and discuss this.

Those who already had a scrubber that handles this, no action needed. But the downslide of earlier Scrub_CL*.py scrubbers is they modify the price history that in a way that is not wanted if using F2O. The price history being off by a day is not a such a big deal maybe, but I avoid that.

Cal Learner

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Apr 20, 2026, 12:25:02 AMApr 20
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The next release of F2O is expected to incorporate this function in a more sophisticated way. It will detect what the core holding/MMF is for each account, and remove the MFBUY and MFSELL transactions for the core for the particular account. 

-Kevin N

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Apr 20, 2026, 12:15:16 PMApr 20
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Hi Cal,

> It will detect what the core holding/MMF is for each account, and remove the MFBUY and MFSELL transactions for the core...

Will there be a means of overriding this setting so that MMF transactions are NOT removed?
I have several accounts in which I've sold off all of their holdings and ONLY have MMF transactions.  
I would want those to continue to appear as the currently do as Dividend and Buy transactions.

-Kevin N

Cal Learner

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Apr 20, 2026, 12:54:33 PMApr 20
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Kevin:
Yes: 
If you add this line to your F2O_cfg.csv file, it will not remove the core buys and sells:
DO_NOT_SUPPRESS_CORE_BUYS_AND_SELLS=1

If there is no such line, then it will remove. Note that for now, even if the number is zero, it still removes. So I just checked that the symbol was defined.

I have not posted that version yet, but if you add the line now, and use it with a version that does not look for that, it will not cause a problem.

Cal Learner

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Apr 20, 2026, 1:07:51 PMApr 20
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I would add that only your core MMF buys and sells are removed. Other MMFs, such as FZDXX, FDLXX, FZCXX, and more do not get removed.

If you hold much in the core fund, I suggest you buy one of the others. In an IRA, FZDXX has a $10000 minimum, but in a taxable account it has a $100,000 initial buy-in. FDLXX does not have that minimum, but still pays a bit extra vs cores. FZCXX is often better if you have state income tax, and you will do what it takes to seek out the appropriate percent that is due to Treasury obligations, and provide that to your tax program or person.

Those premium Fidelity MMFs need to be explicitly purchased, but do not need to be explicitly sold. If you pay a bill, write a check, buy a security, they are automatically and instantly sold if your core is not enough to totally cover the expenditure. So what is in it for you is higher yield, with very little more work.

-Kevin N

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Apr 20, 2026, 1:16:17 PMApr 20
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Hi Cal,

Thank you for that.  I've added DO_NOT_SUPPRESS_CORE_BUYS_AND_SELLS=1.
F2O_cfg.py is proving invaluable. :)  

I'll take a look at those other MMF's too.
Thanks again.

-Kevin N.

Cal Learner

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Apr 20, 2026, 1:30:14 PMApr 20
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I will note that whenever you will start using a new MMF, it is best to create that as a MMF before downloading. If you download OFX files and take defaults, the new MMF will be created as a MF. Not that big of a deal, but it is nice to have the Portfolio GroupBy:InvestmentType group money market funds together. 

Plus, if you enter a MMF transaction by hand, the price will be known to be $1.

-Kevin N

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Apr 20, 2026, 1:39:12 PMApr 20
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Hi Cal,
Thanks.  Duly noted.
FZDXX looks interesting.  Lower operating costs and a higher yield.
-Kevin N.

Cal Learner

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Apr 20, 2026, 1:42:42 PMApr 20
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Yields are after expenses. But lower expenses causes it to have a higher yield.
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