Tool Comparison
InsideArbitrage vs Special Situation Investments (SSI)
- Paid from
- $100/mo
- Free plan
- Yes
- Platforms
- Web
Best if
- You want news, alerts, and calendar.
- You're newer to investing and want something approachable
- Paid from
- $49.17/mo
- Free plan
- Yes
- Platforms
- Web
Best if
- You want the cheaper way in: plans start at $49.17/mo instead of $100/mo
- You want stock ideas and forums.
Start here
InsideArbitrage
Free • From $1200/yr · Web
- You want news, alerts, and calendar.
- You're newer to investing and want something approachable
Pick Special Situation Investments (SSI) instead if
Special Situation Investments (SSI)
Free • From $590/yr · Web
- You want the cheaper way in: plans start at $49.17/mo instead of $100/mo
- You want stock ideas and forums.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
InsideArbitrage and Special Situation Investments (SSI) cover a lot of the same ground (3 shared categories, blogs, newsletters, and playbooks & case studies), so for the basics you won't go far wrong with either. InsideArbitrage simply does more: 17 categories to Special Situation Investments (SSI)'s 5, including news, alerts, and calendar. Special Situation Investments (SSI) counters by starting cheaper at $49.17/mo.
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Key differences at a glance
- Cheaper paid plan
- Special Situation Investments (SSI)$49.17/mo vs $100/mo
- Broader coverage
- InsideArbitrage17 vs 5 categories
- Beginner friendly
- InsideArbitrage
- Free plan
- Both
What InsideArbitrage does best
- Track announced mergers, spreads, calendars, deal updates and potential deals.
- Filter news, SEC filings and social posts for premium tracked-deal symbols.
- Research insider activity through transaction pages, weekly articles, cluster-buy screens and insider rankings.
- Follow buybacks, spinoffs, CVRs, tender offers, reverse splits, activist campaigns and management changes.
- Use 13F, 13D, 13G and Form 4 data for institutional and insider ownership context.
What Special Situation Investments (SSI) does best
- Review event-driven ideas about arbitrage, corporate actions, and other catalysts.
- Read past ideas for free.
- Member posts usually include a current price, target or estimated upside, expected timeline, and discussion thread.
- Choose $75 monthly access or a $590 annual plan for SSI ideas, high-conviction ideas, discussions, and updates.
- Subscribe to the free occasional newsletter without access to SSI ideas, research, or member discussions.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $1200/yr | Free • From $590/yr |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | No |
Broker sync | No | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +1 more |
Categories covered | 17 | 5 |
Regions | — | North America, Europe, APAC |
| Data & capabilities | ||
Capabilities | Universe builder | — |
| Try it | Visit InsideArbitrage | Visit Special Situation Investments (SSI) |
Standout features
The best features of InsideArbitrage and Special Situation Investments (SSI).ShowHide
Standout features
What InsideArbitrage does best
- Track announced mergers, spreads, calendars, deal updates and potential deals.
- Filter news, SEC filings and social posts for premium tracked-deal symbols.
- Research insider activity through transaction pages, weekly articles, cluster-buy screens and insider rankings.
- Follow buybacks, spinoffs, CVRs, tender offers, reverse splits, activist campaigns and management changes.
- Use 13F, 13D, 13G and Form 4 data for institutional and insider ownership context.
What Special Situation Investments (SSI) does best
- Review event-driven ideas about arbitrage, corporate actions, and other catalysts.
- Read past ideas for free.
- Member posts usually include a current price, target or estimated upside, expected timeline, and discussion thread.
- Choose $75 monthly access or a $590 annual plan for SSI ideas, high-conviction ideas, discussions, and updates.
- Subscribe to the free occasional newsletter without access to SSI ideas, research, or member discussions.
All details
Every attribute we track for InsideArbitrage and Special Situation Investments (SSI).ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksClosed-End FundsOther |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailInstitutional Investors |
Regions | Not specified | North AmericaEuropeAPAC |
Coverage details | Identifiers: Ticker and CIK | Identifiers: Ticker |
| Plans & trust | ||
Capability signals | Universe builder | Not specified |
Vendor & support | InsideArbitrageSupport: Email | Special Situation InvestmentsFounded 2014Support: Email |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Not specified |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free“Public Articles and Data” | Free“Newsletter Only” |
| Entry paid plan | $1200/yr≈ $100/mo“Premium - Annual” | $590/yr≈ $49.17/mo“Annual” |
| Top plan | $150/mo“Premium - Monthly” | $75/mo“Monthly” |
| Custom / enterprise | Contact sales“IA Professional” | — |
Questions we keep getting
What's the difference between InsideArbitrage and Special Situation Investments (SSI)?
InsideArbitrage leans toward news, alerts, and calendar, while Special Situation Investments (SSI) puts more weight on stock ideas, forums, and newsletters. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do InsideArbitrage and Special Situation Investments (SSI) cost?
Good news: both InsideArbitrage and Special Situation Investments (SSI) have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: InsideArbitrage or Special Situation Investments (SSI)?
InsideArbitrage is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Should I choose InsideArbitrage or Special Situation Investments (SSI)?
It depends on what you're after. Pick InsideArbitrage if news and alerts matter to you; go with Special Situation Investments (SSI) if you'd rather have stock ideas and forums. And if you only need the basics both share, let price decide.
What asset classes do InsideArbitrage and Special Situation Investments (SSI) cover?
Both cover stocks. InsideArbitrage also handles ETFs. Special Situation Investments (SSI) adds closed-end funds and other on top.
Which has a better stock screener: InsideArbitrage or Special Situation Investments (SSI)?
InsideArbitrage has a stock screener for surfacing ideas; Special Situation Investments (SSI) doesn't, and focuses its energy elsewhere.
Can I track my portfolio with InsideArbitrage or Special Situation Investments (SSI)?
InsideArbitrage handles portfolio tracking. Special Situation Investments (SSI) is really a research tool; you'd track your portfolio elsewhere.
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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.