★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
InsideArbitrage vs SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)
InsideArbitrage
Best for calendar and dividends
From $100/mo
SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)
Best for IPO and APIs & data feeds
Free
Outbound links may include affiliate or sponsor codes.
The verdict
The bottom line
InsideArbitrage and SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) cover a lot of the same ground (6 shared categories, including news, alerts, and corporate actions & special situations), so for the basics you won't go far wrong with either. InsideArbitrage simply does more: 18 categories to SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)'s 10, including calendar, dividends, and splits. SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) counters by being completely free.
Key differences at a glance
- Free plan
- SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)
- Broader coverage
- InsideArbitrage18 vs 10 categories
- API access
- SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)
- Asset coverage
- SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)Adds mutual funds and closed-end funds
Choose
InsideArbitrage if…
- You care about calendar, dividends, and splits, things SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) doesn't offer
Choose
SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) if…
- You'd rather start free and only pay if you outgrow it
- You want an API so you can script or automate things
- You care about IPO, APIs & data feeds, and education, things InsideArbitrage doesn't offer
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | From $100/mo | Free |
Free tier | No | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | Yes |
Broker sync | No | No |
Integrations | — | EDGAR RSS Feeds, data.sec.gov (Submissions & XBRL APIs) +1 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 18 | 10 |
Regions | North America | North America |
| Data & capabilities | ||
Data quality | 4 signals: Latency: Real-time and End of Day, Granularity: EOD +2 more | 5 signals: Latency: Real-time and End of Day, Granularity: EOD +3 more |
Capabilities | Universe builder | — |
Security | — | Data residency: US and Status page |
| Try it | Visit InsideArbitrage | Visit SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) |
Standout features
What InsideArbitrage does best
- Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems.
- Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.
- Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks).
- Spinoff suite: upcoming/completed spinoffs and ‘Spinsider’ screen; CVR deals database with outcomes.
- Gurus/Institutional holdings pages aggregating 13F/13D/13G and Form 4 into manager dashboards.
What SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) does best
- Full‑Text Search (since 2001) with fielded filters: word/phrase, company/ticker/CIK/person, filing category/types, filed date ranges, ‘principal executive offices in’ and ‘incorporated in’.
- ‘Latest Filings’ list shows filings as they are submitted (with RSS for any filter; ownership Forms 3/4/5 can be included/excluded/only).
- Company Search with ‘more search options’, plus dedicated searches for Mutual Funds (prospectuses/proxy voting) and Variable Insurance Products.
- CIK Lookup & helper datasets (company_tickers*.json) to map tickers↔CIK (company/fund/series/class).
- Developer APIs on data.sec.gov: submissions by CIK; XBRL endpoints (companyfacts, companyconcept, frames); bulk nightly ZIPs (submissions.zip, companyfacts.zip).
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFsMutual FundsClosed-End FundsBondsHedge FundsPrivate FundsReal Estate+1 more |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Coverage details | Countries: USExchanges: XNYS, XNAS, and ARCXIdentifiers: Ticker and CIK | Countries: US4 exchangesIdentifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | Real-timeEnd of Day |
Data granularity | EOD | EOD |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: None600 req/min |
Import methods | Manual | Not specified |
Integrations | Not specified | EDGAR RSS Feedsdata.sec.gov (Submissions & XBRL APIs)EDGAR Public Dissemination Service (PDS) |
Export formats | Not specified | JSONXMLPDF |
| Plans & trust | ||
Security & compliance | Not specified | Data residency: USStatus page |
Capability signals | Universe builder | Not specified |
Vendor & support | InsideArbitrageCountry: USSupport: Email | U.S. Securities and Exchange Commission (SEC)Country: USSupport: Email and Phone |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Methodology 5/5Reliability 5/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
$100/mo
Starting price
Plans & pricing
Free
Lower starting price
Plans & pricing
Coverage overlap
Shared categories
6Where the two tools cover the same ground.
InsideArbitrage strengths
12What you only get with InsideArbitrage.
SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) strengths
4What you only get with SEC EDGAR - Company Filings (Full‑Text Search & Search Filings).
Community category leaders
Vote sentiment comparison
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Frequently Asked Questions
What's the difference between InsideArbitrage and SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)?
InsideArbitrage leans toward news, alerts, and calendar, while SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) puts more weight on regulatory filings monitoring, IPO, and corporate actions & special situations. They overlap in 6 categories, so for most people it comes down to workflow preference and price.
Is InsideArbitrage or SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) free to use?
SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) has a free tier, so you can get started without paying anything. InsideArbitrage is paid-only. If budget matters, start with SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) and see how far it takes you before opening your wallet.
Does InsideArbitrage or SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) have an API?
SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) has an API for programmatic access and custom integrations. InsideArbitrage doesn't, so you're working through its interface.
Should I choose InsideArbitrage or SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)?
It depends on what you're after. Pick InsideArbitrage if calendar and dividends matter to you; go with SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) if you'd rather have IPO and APIs & data feeds. And if you only need the basics both share, let price decide.
What asset classes do InsideArbitrage and SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) cover?
Both cover stocks and ETFs. SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) adds mutual funds, closed-end funds, and bonds on top.
Do InsideArbitrage and SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) offer real-time data?
Yes, both serve real-time market data, so either works when timing matters.
Which has a better stock screener: InsideArbitrage or SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)?
InsideArbitrage has a stock screener for surfacing ideas; SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) doesn't, and focuses its energy elsewhere.
Can I track my portfolio with InsideArbitrage or SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)?
InsideArbitrage handles portfolio tracking. SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) is really a research tool; you'd track your portfolio 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.