★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
Quiver Quantitative vs SEC API (sec-api.io)
Quiver Quantitative
Best for screeners and watchlist
Free • From $25/mo
SEC API (sec-api.io)
Best for regulatory filings monitoring and financials
Free • From $55/mo
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The verdict
The bottom line
Quiver Quantitative and SEC API (sec-api.io) cover a lot of the same ground (3 shared categories, institutional ownership, APIs & data feeds, and insider data), so for the basics you won't go far wrong with either. Quiver Quantitative simply does more: 15 categories to SEC API (sec-api.io)'s 7, including screeners, watchlist, and backtesting, plus a mobile app. SEC API (sec-api.io) counters by keeping things simpler.
Key differences at a glance
- Mobile app
- Quiver Quantitative
- Cheaper paid plan
- Quiver Quantitative$25/mo vs $55/mo
- Free trial
- Quiver Quantitative30 days
- Broader coverage
- Quiver Quantitative15 vs 7 categories
- Real-time data
- SEC API (sec-api.io)
- Asset coverage
- SEC API (sec-api.io)Adds mutual funds and funds
Choose
Quiver Quantitative if…
- You do a lot of your research from your phone
- You want the cheaper way in: plans start at $25/mo instead of $55/mo
- You care about screeners, watchlist, and backtesting, things SEC API (sec-api.io) doesn't offer
Choose
SEC API (sec-api.io) if…
- Delayed quotes won't cut it; you need real-time data
- You care about regulatory filings monitoring, financials, and management compensation, things Quiver Quantitative doesn't offer
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $25/mo | Free • From $55/mo |
Free tier | Yes | Yes |
Free trial | 30 days | — |
Plan limits | — | 3 limits: Free Tier: api calls: 100, Personal & Startups: query api rate limit: 20 requests/second/API key +1 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | Yes | Yes |
Broker sync | No | No |
Integrations | Quantbase | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 15 | 7 |
Regions | North America | North America |
| Data & capabilities | ||
Data quality | Corporate actions: Current | Latency: Real-time |
| Try it | Visit Quiver Quantitative | Visit SEC API (sec-api.io) |
Standout features
What Quiver Quantitative does best
- Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more.
- Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians.
- Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time.
- Premium adds advanced tools like stock screeners, alerts, institutional and congressional backtesters, Smart Score/Bull–Bear metrics, watchlists, exportable data samples, and early access to curated content.
- Strategy copytrading offered via Quantbase integration (Premium).
What SEC API (sec-api.io) does best
- Comprehensive API endpoints: query, full-text search, real-time streaming via WebSocket, download/PDF generator, XBRL-to-JSON conversion, and section extractors for 10-K/10-Q/8-K filings.
- Specialized form coverage including ADV, insider filings (Forms 3/4/5), 13F, 13D/G, Form 144, IPO registrations (S-1, 424B4), crowdfunding (Form C, Form D), Reg A filings, and fund reports (N-PORT, N-PX, N-CEN).
- Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares.
- Historical coverage back to 1993 with support for all 400+ EDGAR form types; new filings made available within ~300 ms of posting.
- Live filing feeds available in real time via WebSocket for instant integration.
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFsMutual FundsFunds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Coverage details | Countries: USIdentifiers: Ticker | Countries: USIdentifiers: Ticker and CUSIP |
| Data | ||
Data freshness | Not specified | Real-time |
| Access & integrations | ||
API protocols | REST | RESTWebSocket |
API auth & delivery | Auth: APIKeySDKs: Python | Auth: APIKeySDKs: Python |
Integrations | Quantbase | Not specified |
Export formats | Not specified | JSONPDF |
| Plans & trust | ||
Vendor & support | Quiver Quantitative, Inc.Country: USSupport: Email | Data2Value GmbHSupport: Email |
Curation ratings | Methodology 3/5Reliability 4/5UX 4/5 | Methodology 4/5Reliability 4/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
$25/mo
Lower starting price
Plans & pricing
$55/mo
Starting price
Plans & pricing
- api calls: 100
- query api rate limit: 20 requests/second/API key
- query api rate limit: 40 requests/second/API key
Coverage overlap
Shared categories
3Where the two tools cover the same ground.
Quiver Quantitative strengths
12What you only get with Quiver Quantitative.
SEC API (sec-api.io) strengths
4What you only get with SEC API (sec-api.io).
Community category leaders
Vote sentiment comparison
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Frequently Asked Questions
What's the difference between Quiver Quantitative and SEC API (sec-api.io)?
Quiver Quantitative leans toward screeners, watchlist, and backtesting, while SEC API (sec-api.io) puts more weight on APIs & data feeds, regulatory filings monitoring, and insider data. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do Quiver Quantitative and SEC API (sec-api.io) cost?
Good news: both Quiver Quantitative and SEC API (sec-api.io) have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use Quiver Quantitative or SEC API (sec-api.io) on my phone?
Quiver Quantitative lists a dedicated mobile app, so it travels better. SEC API (sec-api.io) doesn't list a dedicated mobile app; its documented access is web and API.
Do Quiver Quantitative and SEC API (sec-api.io) have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose Quiver Quantitative or SEC API (sec-api.io)?
It depends on what you're after. Pick Quiver Quantitative if screeners and watchlist matter to you; go with SEC API (sec-api.io) if you'd rather have regulatory filings monitoring and financials. And if you only need the basics both share, let price decide.
What asset classes do Quiver Quantitative and SEC API (sec-api.io) cover?
Both cover stocks and ETFs. SEC API (sec-api.io) adds mutual funds and funds on top.
Does Quiver Quantitative or SEC API (sec-api.io) have real-time data?
SEC API (sec-api.io) offers real-time data, which matters if you trade actively. Quiver Quantitative runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Which has a better stock screener: Quiver Quantitative or SEC API (sec-api.io)?
Quiver Quantitative has a stock screener for surfacing ideas; SEC API (sec-api.io) doesn't, and focuses its energy elsewhere.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.