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The idea of a universal AI assistant across the desktop is cool. Like the emphasis on local processing and provider choice.

I have tried out V1 and while it's a bit barebones, the planned features like 'Autocontext' and 'Local-RAG' sound promising. Devil's in the implementation details though.


Yes we've thought about them a fair bit.

We believe that in most ETFs right now the transaction costs are largely factored into either the expense ratio or the ETF bid-ask spread, exactly due to the redemption mechanism you discussed. See section titled Spread of the Underlying Securities in an ETF Basket in the following PDF and the following quote:

"If a market maker has to obtain a portion of the ETF constituents on the secondary market to then deliver into the fund as part of the basket process, the cost of acquiring those names should be reflected in the ETFs bid/ask spread — as costs are traditionally passed through to the end customer."

https://www.ssga.com/library-content/pdfs/etf/au/spdr-au-etf...

Also we take estimated spread costs into account when running our portfolio optimization. A higher bid-ask spread as measured by past 1 month NBBO p50 spread generally gets penalized in our portfolio optimization all else being equal, although this depends slightly on what optimization setting you've chosen on Double.


Except, in practice (not "traditionally"), the cost of a sophisticated market maker to acquire these constituents is usually much less than if you or I were to trade on the market in our brokerage account. SPY's spread is only 2 pennies wide (3 bps), for example.


You are correct the in-kind creation/redemption pushes any taxable gains/losses to the trading of the ETF by the holder, not the ETF itself.

But there are some benefits to doing what you refer to as a "custom one-off fund". Namely we can Tax Loss Harvest any losses and realize those to offset gains we realize in the name of rebalancing. The industry generally calls this direct indexing and wealth clients with $1M and above portfolios have been doing it for years.

We also provide the option of entering a "Buy & Hold" optimization for strategies, which would not rebalance your winners into losers and realizing any gains or losses, but your portfolio will drift over time if you choose this.


Other than fees, we are also quite a bit more customizable than most other options you mentioned. We let you do things like rebalance between positions and pick your optimization type, and backtest a screened portfolio. More customizable than most robo-advisors out there and more powerful than brokerages like M1.


No relation but I have shared some emails with the founder and we are both in SF I believe.


We choose to lead with the expense ratio savings in this marketing push, but I really think the platform allows for the best investment account out there with tax loss harvesting built in, dollar cost averaging between positions and stock or sector customization.


We don't currently offer Roth IRA or 401K accounts, but once we do then yes it would be possible to transfer the account without changing the tax-advantaged status.


We optimize (look at the account) daily but only trade if the portfolio meaningfully improves.

We take into account tax rates while optimizing your account. You can also chose to put your strategy in Buy & Hold which will never sell anything thus never realize any cap gains.


If Double goes out of business, your assets are safe and held in your name at Apex Clearing. They have processes in place for these scenarios to help you access and transfer those assets.

SIPC protection covers against a brokerage firm failing, which in our case is Apex Clearing. We are not currently a brokerage so SIPC would not apply if Double goes bankrupt.


> SIPC protection covers against a brokerage firm failing, which in our case is Apex Clearing. We are not currently a brokerage so SIPC would not apply if Double goes bankrupt.

I thank you for being upfront and honest about this. The tough spot you'll find yourself in, then, is that if any money goes missing between you and Apex, customers are completely SOL. This is not a theoretical risk, this is exactly what happened in the Yotta/Synapse fiasco. Even if I trust that you guys are much better technologists than Synapse, would I be willing to take that risk for a teeny, teeny reduction in fees compared to an index ETF? Sorry, not for me.

EDIT: Wanted to put an edit up here so that it doesn't get lost. Thanks for your response below - for me, that was the critical information I needed, that I can directly verify that my SIPC-insured funds are held by the SIPC-insured entity. That was indeed not the case with Yotta/Synapse (and, indeed, most fintechs who keep customer funds in an FBO account at a partner bank), so I really appreciate the clarification. FWIW, I think it might be worth it to add a small blurb in the "SIPC Insured" section saying that your insured funds can be verified at any time.

Kudos, you guys have thought through a good deal of the important details, and sufficiently assuaged my concerns.


I'd argue the specifics are quite a bit different than Yotta/Synapse.

We do not hold any funds ourselves. You connect your bank and ach/wire money to an Apex bank account. You can verify your holdings via apex anytime (see: https://help.double.finance/en/articles/10262406-how-can-i-v...)


Yotta does not hold any funds themselves. You connect your bank and ach/wire money into an Evolve bank account.

The problem is that unbeknownst to users, Evolve had no record of what belonged to which user—it all came via Synapse on behalf of Yotta. And when Synapse went bankrupt, everyone pointed fingers about where the money is and who it belongs to.


https://help.double.finance/en/articles/10262406-how-can-i-v... makes a big difference, since it sounds like Apex does have their own ledger of accounts, independent of Double.

Evolve not having their own ledge was exactly the problem.


OTOH, some users seem able to talk to Apex about their shares that had been via an "app", and are still frustrated… with Apex:

> My own personal experience with Apex - I transferred measly GME positions out of Stash app (Apex) to Fidelity in June. My Apex/Stash account is still locked from this transfer. My CS requests have been escalated to the broker (Apex) repeatedly. Finally today, Apex confirmed they will unlock my account in 4 business days. That’s 34-36 calendar days after share transfer. All this DD is much smarter than me, but even in little ways these big explanations offer a simple reason for these shenanigans. I have NEVER had my account locked for share transfer past the confirmed transfer date for any other position. They had the gall to tell me today that they needed to speak with Fidelity directly to confirm receipt and Fidelity “received” my shares 3 weeks ago, which was 3 weeks after I initiated it. Why all the runaround?


Surprisingly common for fintechs to be ledgerless. They will always end up with one if they last long enough.


Will reply directly to your comment, as I started the concern in this thread, and I think it's important to point out that the situation is materially different based on what jjmaxwell4 has responded.

With Evolve, money was just pooled into an "FBO" ("for benefit of") account, and not ledgered directly to individual users. This is apparently not the case with Apex since you can verify your balance with them directly. They report your balance, so if any money goes missing, you should have an insurable case with them directly.


Yep. The bank has to require reconciliation of the accounts that are active in the FBO. Oddly enough, there is zero standardization in banking regulations and recon is an afterthought and rarely done. Doubly so if you are talking B2B.

Reconciliation costs a lot of money. They typically just watch the balance and and bark at the fintech for more money when it runs out. There are people at every bank calling partners every day demanding wires for overdrawn FBO accounts. Buyer beware.


>> If Double goes out of business, your assets are safe and held in your name at Apex Clearing. They have processes in place for these scenarios to help you access and transfer those assets. >> SIPC protection covers against a brokerage firm failing, which in our case is Apex Clearing. We are not currently a brokerage so SIPC would not apply if Double goes bankrupt.

Dear @jjmaxwell4 -- I'm not really worried about your service given you're a layer atop Apex, however, this is a very common conversation happening right now on many forums -- could you clarify a bit more, how one would "get comfortable" with a new product?

I'm assuming the list is something like this, but that is an non-expert guess:

- Is the institution i'm interacting with regulated (in your case, Yes, Double is regulated by The SEC)

- Who holds my funds, and are they regulated (in your case, the funds are held by Apex Clearing, and if I understand correctly, Apex is a broker dealer regulated by The SEC)

- Are the funds held in my name or pooled in with other money? (in your case, I think the funds are held by Apex only in my name)

I think one of the problems with the Yotta/Synapse/Evolve collapse is -- its unclear how one even evaluates their level of risk.

It is also unclear how one validates SIPC coverage, like could I go to SIPC and enter an account number and validate the funds are actually covered somewhere across the layers?

Would be great for someone who knows this area to comment.


Appreciate diving into the details!

You can sign up directly with Apex (completely separate login) and view your holdings in your name in their web portal, along with all documents that Double sends you on your account activity. The process requires a bit of verification so I've written up a help article here on how to get set up: https://help.double.finance/en/articles/10262406-how-can-i-v...


Just wanted to comment and say that I'm happy you / Apex offer this. My concern (similar to others in this thread) is that Double might say they are depositing the money into Apex, but it's possible they actually are not, and being able to verify this myself is crucial.


Ditto. I would really love to know if theres a site where you could enter the ID of a company and tell me if SPIC really backs them up..


How are the SIPC premiums being paid?

Let’s say I invest $250k with you. From my research it appears the SIPC premiums on that amount would be more than $12/year.

How does that work?


Search keywords: Apex clearing and trade 385.

They're basically criminals. A guarantee by Apex is worthless IMO.


Alright, I did the google search based on your incendiary comment and whatever you're trying to suggest does not seem to be the case.

pg 79: https://democrats-financialservices.house.gov/uploadedfiles/...

"Apex provides these same clearing services to many other introducing brokers, including Ally Invest, Betterment Securities, M1 Finance, Marcus by Goldman Sachs & Co., SoFi Securities, Stash Capital, Tastyworks Inc., TradeZero America Inc, and hundreds more"


There are some Reddit threads about this - https://old.reddit.com/r/Superstonk/comments/1dz57am/trade_3...

Take them with a grain of salt.


we gettin a fan made doco on it, https://www.youtube.com/watch?v=opDJq1fnoRM


Yes we allow this right now very easily, although we don't call it "soft shorting". You can remove or de-weight specific stocks or sectors quite easily.


nice, idk exactly what to call it, but it's imo a much bigger value than a clear 0% vs 0.05% fee difference.


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