datasheet / brand
Brand and preview surfaces
Where AI Fin Hub meets people before they click, each at true size, and the system it is drawn from: the mark, the icons, the colour and the type.
1The mark
An op-amp: two inputs, one decision. Market data on one input pin, filings on the other, and one output, the order, in signal orange. It is the schematic of every stack this hub prices.



2Before the click
Neutral frames, true sizes. The title leads with what people search for and dates itself, so it wins a click from position seven.
AI Fin Hubhttps://aifinhub.ioMarket data, LLM & broker API prices (checked Nov 2026) | AI Fin Hub
Nov 2, 2026 — Type what you need, e.g. “1-minute bars for 500 symbols, real-time, Claude reading 10-Ks, under $200 a month”: 28 market-data plans, 13 LLMs and 5 broker APIs ranked, each price and limit linked to the vendor page and dated. Make a Stack Sheet of your bill and rate limits.
- Polygon vs Databento vs AlpacaAlpaca $99 for the full SIP tape; Databento for order books; Massive $199 flat.
- Probability of backtest overfittingRun CSCV on a simulated strategy search in your browser.
- Stack SheetYour data feed, model and broker: the bill and every limit.
- For agentsOne URL or MCP call returns the same answer as JSON.
What is the cheapest real-time market data API for 500 symbols?
Every price and limit for putting an LLM into markets. AFH-001 Datasheet · 46 parts checked at the vendor. For 1-minute bars for 500 symbols, real-time, under $200 a month, 2 plans meet every condition, assuming 5 years of history: Alpaca Algo Trader Plus at $99 a month and FMP Ultimate at $139 a month. aifinhub.io
The first 50 words of the page's main content in its static HTML, as a crawler without JavaScript reads them.
this is the sheet for our stack, rate limits included
AI Fin HubNotesMailFiles

- apple-touch-icon
- 180 × 180, paper
- manifest
- 512 × 512; theme
#F6F5F1/#0F1012
3The share objects: Stack Sheet and Validation Sheet
Each link rebuilds its drawing in the browser from the query string; nothing is stored on a server. One drawing per stack and one per strategy search, each at three sizes, each numbered from its inputs. Examples shown; yours print your parts, your load and your result.
4Open Graph images
Each page's card is a datasheet cover: the question, the answer in figures, the revision date.
/og/index.png/og/polygon-vs-databento-vs-alpaca.png/og/bailey-lopez-pbo.png5Icon set
Schematic symbols on one 16-unit grid: one-unit strokes on half-pixel centres, square caps, fills only where a schematic fills. Shown at 16 and 32 px.
6Colour
| Token | Light | Dark | Used for |
|---|---|---|---|
--paperPaper | #F6F5F1 | #0F1012 | page |
--paper-2Paper 2 | #EDEBE5 | #17181B | hover, bands |
--fieldField | #FFFFFF | #141518 | inputs |
--inkInk | #11121417.2:1 on paper | #ECEAE315.8:1 on paper | text, rules, marks |
--ink-2Ink 2 | #3A3C4110.1:1 on paper | #BDBBB49.9:1 on paper | secondary text |
--mutedMuted | #5F626A5.6:1 on paper | #92908A6.0:1 on paper | labels, axes |
--hairHairline | #CFCCC4 | #34353A | table rules |
--signalSignal | #E2540A3.5:1 on paper | #FF7A1A7.3:1 on paper | the order path, your conditions |
--signal-inkSignal ink | #A93C005.8:1 on paper | #FF9A529.1:1 on paper | signal as text |
--badFails | #BE251B5.5:1 on paper | #FF6E616.9:1 on paper | a part that fails, a blown fuse |
Paper and ink carry everything; signal marks only the order path and your own conditions; red only a part that fails. Text pairs pass WCAG AA.
7Type
IBM Plex Sans
Every price and limit.
Body, 16/1.55. A prompt over a model's long-prompt break bills the whole request at the higher rate.
Condensed caps · 85% width · labels and title blocks
IBM Plex Mono · tiingo/power · AFH-S-A6D1 · /api/run/data-vendor-tco
| Tiingo Power | $30.00 |
| FMP Ultimate | $139.00 |
| Alpha Vantage Premium 1200 | $249.99 |
| Databento US Equities Unlimited | $4,000.00 |