★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
InsideArbitrage vs This Is Not SEDAR
InsideArbitrage
Best for news and alerts
From $100/mo
This Is Not SEDAR
Best for improved filings
Free
Outbound links may include affiliate or sponsor codes.
The verdict
The bottom line
InsideArbitrage and This Is Not SEDAR cover a lot of the same ground (2 shared categories, regulatory filings monitoring and watchlist), so for the basics you won't go far wrong with either. InsideArbitrage simply does more: 18 categories to This Is Not SEDAR's 3, including news, alerts, and calendar. This Is Not SEDAR counters by being completely free.
Key differences at a glance
- Real-time data
- InsideArbitrage
- Free plan
- This Is Not SEDAR
- Broader coverage
- InsideArbitrage18 vs 3 categories
- Asset coverage
- This Is Not SEDARAdds mutual funds and funds
Choose
InsideArbitrage if…
- Delayed quotes won't cut it; you need real-time data
- You care about news, alerts, and calendar, things This Is Not SEDAR doesn't offer
Choose
This Is Not SEDAR if…
- You'd rather start free and only pay if you outgrow it
- You care about improved filings, something 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 | No |
Broker sync | No | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 18 | 3 |
Regions | North America | North America |
| Data & capabilities | ||
Data quality | 4 signals: Latency: Real-time and End of Day, Granularity: EOD +2 more | Latency: End of Day and Granularity: EOD |
Capabilities | Universe builder | — |
| Try it | Visit InsideArbitrage | Visit This Is Not SEDAR |
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 This Is Not SEDAR does best
- Latest Filings browser focused on Canadian issuers.
- Mirrored PDF hosting for filings (served from docs.thisisnotsedar.com).
- Portfolio/watchlist concept: continues downloading files and reading headlines for existing tracked companies while the site migrates.
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFsMutual FundsFunds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Coverage details | Countries: USExchanges: XNYS, XNAS, and ARCXIdentifiers: Ticker and CIK | Countries: CA4 exchangesIdentifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | End of Day |
Data granularity | EOD | EOD |
| Access & integrations | ||
Import methods | Manual | Not specified |
Export formats | Not specified | PDF |
| Plans & trust | ||
Capability signals | Universe builder | Not specified |
Vendor & support | InsideArbitrageCountry: USSupport: Email | This Is Not SEDAR |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Methodology 2/5Reliability 2/5UX 3/5 |
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
2Where the two tools cover the same ground.
InsideArbitrage strengths
16This Is Not SEDAR strengths
1What you only get with This Is Not SEDAR.
Community category leaders
Vote sentiment comparison
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Frequently Asked Questions
What's the difference between InsideArbitrage and This Is Not SEDAR?
InsideArbitrage leans toward news, alerts, and calendar, while This Is Not SEDAR puts more weight on regulatory filings monitoring, improved filings, and watchlist. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
Is InsideArbitrage or This Is Not SEDAR free to use?
This Is Not SEDAR has a free tier, so you can get started without paying anything. InsideArbitrage is paid-only. If budget matters, start with This Is Not SEDAR and see how far it takes you before opening your wallet.
Should I choose InsideArbitrage or This Is Not SEDAR?
It depends on what you're after. Pick InsideArbitrage if news and alerts matter to you; go with This Is Not SEDAR if you'd rather have improved filings. And if you only need the basics both share, let price decide.
What asset classes do InsideArbitrage and This Is Not SEDAR cover?
Both cover stocks and ETFs. This Is Not SEDAR adds mutual funds and funds on top.
Does InsideArbitrage or This Is Not SEDAR have real-time data?
InsideArbitrage offers real-time data, which matters if you trade actively. This Is Not SEDAR 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: InsideArbitrage or This Is Not SEDAR?
InsideArbitrage has a stock screener for surfacing ideas; This Is Not SEDAR doesn't, and focuses its energy elsewhere.
Can I track my portfolio with InsideArbitrage or This Is Not SEDAR?
InsideArbitrage handles portfolio tracking. This Is Not SEDAR 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.