I actually left my job two months ago to work on this full-time... Google Finance used to be a "home page tab" for me and it was just killing me that I couldn't find a good alternative. Bravos.co features a clean interface for tracking public companies, cryptocurrencies, and even private companies. The platform pulls in news, social conversations, and key financial data, and has modern features like a "Dark Mode" and mobile site. APIs, native apps, notifications, and more are coming soon.
We have a 2 minute video walkthrough here: https://youtu.be/gpQpCK9Ydl0
We would love to get your thoughts - we want to build this based on community feedback.
I've just tried to see if your site addresses those pain points and it doesn't - but I think you're halfway there.
What OP's "hypothetical portfolio" means is basically the tracking of a whole set of selected equities (so in your site's case: the performance of everything within a watchlist, including a graph visualizing it plus all the common features like comparing that portfolio-graph to that of the Nasdaq, Dollar Index, BTC ...). 
GF's UI was horrible, but they allowed to create endless amounts of those portfolios, which was really helpful for finding one's investment strategy because you could compare "ideas". Or you could gather groups of similar equities to track their performance and decide whether they are ripe for becoming "a new idea" (like "I believe that downturn of x is at some point going to halt, maybe then it's worth investing")
When GF still had its portfolio feature, I hoped their "re-design" would allow for more mobile-friendliness (which you address) but more importantly comparing portfolio graphs with each other.
Also, as non-American I repeatedly ran into trouble finding an equivalent ticker sign for non-US equities . Supporting WKN or ISIN would be an improvement over GF!
Anyways, quitting your job for this is a bold step and I wish you the best!
 Putting that label in quotes maybe highlights the fringeness of that niche and why Google shut it down :-(
 To be clear: not a graph where i have all the graphs of the items of a watchlist - but one line for all items combined
 My trouble was usually resolved, finding some European stock's ADR and converting the EUR amount invested to the amount of ADRs i'd have gotten in USD
> GF's UI was horrible, but they allowed to create endless amounts of those portfolios, which was really helpful for finding one's investment strategy because you could compare "ideas". Or you could gather groups of similar equities to track their performance and decide whether they are ripe for becoming "a new idea" (like "I believe that downturn of x is at some point going to halt, maybe then it's worth investing")
I just want to second this point made in the parent comment. What I've always wanted to do that I can't really do in an app out there, is compare my "what-if" scenarios (e.g. what if I had held onto 20% of my AAPL in 2015, instead of selling and buying NFLX and UA/UAA?). I always imagined that there'd be an easy visualization comparison between two scenarios, to allow me to "evaluate" certain buy/sell decisions I've made, retrospectively.
In reality, you're tracking a lot of opportunities, and every decision you've made represents several different scenarios. It should be as easy to look back on a scenario (AAPL versus NFLX+UA performance over the last 3 years) as it is to see the performance of any of those specific securities.
You should also be able to easily see that your "biotech" list outperformed your actual portfolio, or that your "tech" list is outperforming your "European companies" list (or whatever else).
We probably won't go too deep into backtesting various strategies, as there is powerful software for that today, but we definitely can support the analyses in this thread.
Since GF's portfolio feature is gone I've never found a way to visualize to me, that my thinking in the past was stupid/correct.
I appreciate the points about ISIN and tickers. We'll need to be thoughtful about how we handle that, and definitely should support more than just the U.S. exchange tickers.
(If I sound like a shill, I work for https://trade.it which provides broker API functionality to Yahoo Finance, but I have also been trading and using Yahoo Finance for over a decade, way before I ever became technologically involved with them)
I'd pay some amount of $ per month (or year or whatever) to just have a reasonable portfolio tracker. Yes, the brokerages all have this - and they're all pretty terrible.
Disclaimer: I am the author.
Company financials are self explanatory (quarterly breakdowns of cash, income, etc), the stock search allowed you to pare down stocks based on market cap, div &, P/E, etc, and was a wonderful tool for discovery.
Your site is nice, but it offers almost nothing over what every brokerage I've used offers: watchlists, news. Crypto is a nice addition, but Robinhood has that, and Robinhood has my actual transaction history.
Fundamental data is coming soon, for sure. We'll show you 10 years of historical data (annual and quarterly) for income statement, cash flows, and balance sheet.
Screening will come too, although it's not requested as often so we haven't prioritized it. The API, mobile apps, and improved charting are next for us.
My reasoning is that I do almost all real searching and analysis on the desktop, whereas mobile is just nice and handy for tracking an updates on the go. Also, screening is more immediately usable by a broader user set than the API functions (tho your spreadsheet integration is way cool!).
Just one small vote while cheering you on!
You may enjoy the Finviz screener:
(Make sure you check the tabs of the search menu, you can filter by a crazy number of attributes, including stuff like sales growth, technical breakouts, etc)
It's like bloomberg-light.
It doesn't have great stock filtering, but is pretty good for financial data.
It looks like you're using Highcharts for the main graphs, and if they support transitions out-of-the-box, that'd be nice to have that turned on. For example, when zooming out from 1M to 1Y, it's a little tough to see the recent 1 month changes in the context of 1 year. The axis transitions just makes it a bit more distracting, without the line chart transitions between date ranges.
Also, making the selected range saved to the URL to make the links shareable would be a good feature to add too.
I see that it's built in React, but I'm curious why clicking on an individual stock appears to "leave" the app, not giving it quite as smooth of a single page app experience? Not a huge deal, just curious.
Otherwise, this looks really great!
We have much better charting coming soon. You'll be able to compare different securities, log scale, bar charts. URL params for things like the range are a good idea.
(And sorry, what do you mean by leave the app? Clicking on a company somewhere should take you to bravos.co/AAPL, no?
When I click between "Watchlists" and "Market News" on the left sidebar, the sidebar stays in place as I would expect from a single page app experience. However, when I click on a stock, it appears that the page reloads, as the left sidebar flickers a little bit.
It's still a fast experience switching between stocks, but I'm guessing it could be even faster if local state is updated with a new selected stock's information with the app shell already in place. Maybe that's exactly what's happening, but the left sidebar flickering just a little bit makes it "feel" like the site is refreshing.
Project earnings date, and past earnings performance (price effect) are 2 things sorely lacking. I do like the historical financials but man, I wish they showed the past five quarters, not 4. Sometimes you want to see how last year’s quarter changed quarter-over-quarter.
Sometimes I think the people who create these products don’t invest/trade stocks at all.
I immediately went to put in eg MSFT in the search box in the upper left. When I hit enter it just blanks the input box. The search icon is non-reactive to clicking. The only way the search box fires properly is if I click on the auto-suggest that drops below the input box. You should definitely wire up the icon to trigger the search, and enter needs to work as well.
You're basically saying you should be able to enter that you bought 100 shares AAPL in 2004 at $15... what is your total return?
(We only have watchlists today, but we're designing more of the features that are "portfolio"-like and this is great feedback.)
Killer feature would be historical charts that include re-invested dividends.
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A while ago I was looking for an API that would give me the calendar date that quarterly earnings were reported historically, ideally for all public companies (but a large subset like the S&P500 would do). Do you know if anyone tracks this data, and if so where I might find it?
Feel free to PM me if I can help any further.
If anyone found something easier, I'd certainly be curious as well.
Any way you could make a easy to access URL that does the same thing but for market caps >= $1B?
Has Bravos implemented imports for GF transactions, so I can spin up my exported-from-GF portfolios? GF had a nice export feature, but I never found anywhere that would import them for tracking.
Hopefully we can include that down the road.
(And thank you! Appreciate you taking a look.)
For me, a killer feature would be charts with the option to include total return including reinvested dividends etc. I would happily pay for that if the data was accurate.
I may be mistaken, but it seems to me that the dividends listed in Google/Yahoo finance are often incomplete for common index funds. And it drives me nuts when I can't add them into the charts.
1) If I click a different period in a chart, it should show me the different in price over that period as a %. I want to be able to see the chart for the last 6 months and be told what % the price changed.
2) It needs options chains.
Some small tweaks would also be nice:
1) The news line length is basically unreadable.
2) Font size is too small. Really hard to read the site.
But overall I like it.
Thanks for the feedback on the font and news line. For the news line, do you mean that you'd prefer more text to show up in the news section?
Looks really nice, by the way.