VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
Dilution Tracker vs InsideArbitrage
Pick Dilution Tracker instead if
Dilution Tracker
Free • From $588/yr · Web
- You want the cheaper way in: plans start at $49/mo instead of $100/mo
- You want education.
Start here
InsideArbitrage
Free • From $100/mo · Web
- You want news, calendar, and dividends.
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
Dilution Tracker and InsideArbitrage cover a lot of the same ground (3 shared categories, corporate actions & special situations, splits, and alerts), so for the basics you won't go far wrong with either. InsideArbitrage simply does more: 17 categories to Dilution Tracker's 4, including news, calendar, and dividends. Dilution Tracker counters by starting cheaper at $49/mo.
What readers say
Dilution Tracker
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InsideArbitrage
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Key differences at a glance
- Cheaper paid plan
- Dilution Tracker$49/mo vs $100/mo
- Free trial
- Dilution Tracker7 days
- Broader coverage
- InsideArbitrage17 vs 4 categories
- Asset coverage
- InsideArbitrageAdds ETFs
- Free plan
- Both
See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $588/yr | Free • From $100/mo |
Free tier | Yes | Yes |
Free trial | 7 days | — |
Plan limits | Free account: access: Open-access tickers only | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | No |
Broker sync | — | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +2 more | — |
Categories covered | 4 | 17 |
Regions | North America | — |
| Data & capabilities | ||
Capabilities | — | Universe builder |
| Try it | Visit Dilution Tracker | Visit InsideArbitrage |
Where each one shines
What Dilution Tracker and InsideArbitrage each do best.ShowHide
Where each one shines
What Dilution Tracker and InsideArbitrage each do best.What Dilution Tracker does best
- Research coverage for U.S.-listed small-cap dilution profiles focused on shelves, warrants, ATM programs, equity lines, convertibles, S-1s, and related financing overhang.
- Review split-adjusted shares outstanding history alongside potential-dilution bars for ATM, S-1, warrant, equity-line, convertible note, and preferred-stock exposure.
- Check whether a company can raise capital through a shelf, pending S-1, private placement, or other disclosed financing path.
- Use dilution-risk and offering-ability ratings as prompts for deeper filing review.
- Monitor SEC filings and company press releases for dilution-related disclosures, value updates, and newly covered issuers.
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.
Every detail we compared
Every tracked attribute for Dilution Tracker and InsideArbitrage, side by side.ShowHide
Every detail we compared
Every tracked attribute for Dilution Tracker and InsideArbitrage, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Stocks | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailDay TradersSwing Traders | Not specified |
Regions | North America | Not specified |
Coverage details | Countries: USIdentifiers: Ticker | Identifiers: Ticker and CIK |
| Plans & trust | ||
Capability signals | Not specified | Universe builder |
Vendor & support | Not specified | InsideArbitrageSupport: Email |
Curation ratings | Not specified | Methodology 3/5Reliability 3/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | Free“Free account”access: Open-access tickers only | Free“Public Articles and Data” |
| Entry paid plan | $588/yr≈ $49/mo“Annual” | $100/mo“Premium - Annual” |
| Top plan | — | $150/mo“Premium - Monthly” |
| Free trial | 7 days | — |
Questions we keep getting
What's the difference between Dilution Tracker and InsideArbitrage?
Dilution Tracker leans toward corporate actions & special situations, splits, and alerts, while InsideArbitrage puts more weight on news, alerts, and calendar. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do Dilution Tracker and InsideArbitrage cost?
Good news: both Dilution Tracker and InsideArbitrage have free plans, so you can run them side by side and only pay if you hit a wall.
Should I choose Dilution Tracker or InsideArbitrage?
It depends on what you're after. Pick Dilution Tracker if education matter to you; go with InsideArbitrage if you'd rather have news and calendar. And if you only need the basics both share, let price decide.
What asset classes do Dilution Tracker and InsideArbitrage cover?
Both cover stocks. InsideArbitrage adds ETFs on top.
Is Dilution Tracker or InsideArbitrage better for day trading?
Dilution Tracker is the one positioned more for active traders. InsideArbitrage is the better fit if you care less about fast trading workflows and more about a calmer research process.
Which has a better stock screener: Dilution Tracker or InsideArbitrage?
InsideArbitrage has a stock screener for surfacing ideas; Dilution Tracker doesn't, and focuses its energy elsewhere.
Can I track my portfolio with Dilution Tracker or InsideArbitrage?
InsideArbitrage handles portfolio tracking. Dilution Tracker is really a research tool; you'd track your portfolio elsewhere.
Keep researching
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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.