VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked September 24, 2026
Tool Comparison
GammaWins Calculator vs Marketlog
Pick GammaWins Calculator instead if
GammaWins Calculator
Free • From $299/yr · Web
- You want options p&l.
Start here
Marketlog
Free • From $79.99/yr · Web · Mobile
- You want the cheaper way in: plans start at $6.67/mo instead of $24.92/mo
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
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
GammaWins Calculator and Marketlog cover a lot of the same ground (2 shared categories, options and data visualizations), so for the basics you won't go far wrong with either. Marketlog simply does more: 18 categories to GammaWins Calculator's 3, including portfolio, watchlist, and institutional ownership, plus a mobile app. GammaWins Calculator counters by keeping things simpler.
What readers say
GammaWins Calculator
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Marketlog
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Key differences at a glance
- Cheaper paid plan
- Marketlog$6.67/mo vs $24.92/mo
- Broader coverage
- Marketlog18 vs 3 categories
- Mobile app
- Marketlog
- Real-time data
- Marketlog
- Asset coverage
- MarketlogAdds ETFs and bonds
- Beginner friendly
- Marketlog
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
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $299/yr | Free • From $79.99/yr |
Free tier | Yes | Yes |
Free trial | 7 days | 7 days |
Plan limits | Free: data latency: 15-minute delayed | 21 limits: Free: portfolios: Unlimited, Free: holdings: Unlimited +19 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | No | No |
Broker sync | — | Yes |
Integrations | — | Yodlee, Fidelity Investments +5 more |
| Audience & fit | ||
Experience level | Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders and Pro Retail | Retail Traders, Pro Retail +4 more |
Categories covered | 3 | 18 |
Regions | North America, Europe | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | Latency: 15-min Delayed | 5 signals: Latency: Real-time and End of Day, Granularity: Minute and EOD +3 more |
Data partners | OPRA | Yodlee and Third-party data licensors |
Capabilities | Multi-leg options and Greeks | 3 signals: Monte Carlo, Broker sync +1 more |
Security | — | Encryption at rest and Encryption in transit |
| Try it | Visit GammaWins Calculator | Visit Marketlog |
Where each one shines
What GammaWins Calculator and Marketlog each do best.ShowHide
Where each one shines
What GammaWins Calculator does best
- Charts and tables display profit and loss, value, return, or Greeks across time and underlying price.
- Strategy metrics include maximum profit and loss, breakevens, probability of profit, premium yield, CAGR, and intrinsic or extrinsic value.
- Users can start from strategy presets or build custom multi-leg and multi-expiry positions.
- Strike selection by delta or absolute price for spreads and other options structures.
- Review volatility inputs including realized volatility, ATM implied volatility, model-free implied volatility, and IV/RV ranks or percentiles.
What Marketlog does best
- Portfolio tracking for stocks, ETFs, options, bonds, funds, forex, crypto, indices, and other assets on web, iOS, and Android.
- Enter transactions manually or connect supported brokerage and bank accounts through Marketlog's data provider.
- Broker and bank connectivity for 2,000+ supported institutions, with examples such as Fidelity, E*TRADE, Vanguard, Schwab, Interactive Brokers, and Robinhood.
- Monitor gains, drawdowns, returns, diversification, goals, target allocation, benchmarking, and daily or weekly portfolio email updates.
- Automatic dividend tracking, dividend calendars, upcoming payment alerts, and yield notifications.
Every detail we compared
Every tracked attribute for GammaWins Calculator and Marketlog, side by side.ShowHide
Every detail we compared
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | OptionsStocks | StocksETFsOptionsBondsFundsCurrenciesCryptosOther |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro Retail | Retail TradersPro RetailLong-term InvestorsDividend InvestorsDay TradersSwing Traders |
Regions | North AmericaEurope | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | 4 countriesIdentifiers: Ticker | 26 countriesIdentifiers: Ticker and CUSIP |
| Data | ||
Data freshness | 15-min Delayed | Real-timeEnd of Day |
Data granularity | Not specified | MinuteEOD |
Pricing sources | Not specified | VendorManual |
Data partners | OPRA | YodleeThird-party data licensors |
| Access & integrations | ||
Import methods | Not specified | BrokerOAuthManual |
Integrations | Not specified | YodleeFidelity InvestmentsE*TRADE from Morgan StanleyVanguardSchwabInteractive BrokersRobinhood |
Export formats | Not specified | Image |
| Plans & trust | ||
Security & compliance | Not specified | Encryption at restEncryption in transit |
Capability signals | Multi-leg optionsGreeks | Monte CarloBroker syncMulti-currency |
Vendor & support | GammaWins ABCountry: SwedenSupport: Email and Forum | Myfxbook Ltd.Country: IsraelSupport: Email |
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
| Tier | ||
|---|---|---|
| Free plan | Freedata latency: 15-minute delayed | Freeportfolios: Unlimited · holdings: Unlimited · +5 more |
| Entry paid plan | $299/yr≈ $24.92/mo“Calculator Pro (Annual)” | $79.99/yr≈ $6.67/mo“Plus Annual”portfolios: Unlimited · holdings: Unlimited · +2 more |
| Tier 2 | $29/mo“Calculator Pro (Monthly)” | $7.99/mo“Plus Monthly”portfolios: Unlimited · holdings: Unlimited · +2 more |
| Tier 3 | — | $179.99/yr≈ $15/mo“Pro Annual”portfolios: Unlimited · holdings: Unlimited · +1 more |
| Top plan | — | $17.99/mo“Pro Monthly”portfolios: Unlimited · holdings: Unlimited · +1 more |
| Free trial | 7 days | 7 days |
Questions we keep getting
What's the difference between GammaWins Calculator and Marketlog?
GammaWins Calculator leans toward options p&l, options, and data visualizations, while Marketlog puts more weight on portfolio, watchlist, and institutional ownership. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do GammaWins Calculator and Marketlog cost?
Good news: both GammaWins Calculator and Marketlog have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: GammaWins Calculator or Marketlog?
Marketlog is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Can I use GammaWins Calculator or Marketlog on my phone?
Marketlog lists a dedicated mobile app, so it travels better. GammaWins Calculator doesn't list a dedicated mobile app; its documented access is web.
Should I choose GammaWins Calculator or Marketlog?
It depends on what you're after. Pick GammaWins Calculator if options p&l matter to you; go with Marketlog if you'd rather have portfolio and watchlist. And if you only need the basics both share, let price decide.
What asset classes do GammaWins Calculator and Marketlog cover?
Both cover options and stocks. Marketlog adds ETFs, bonds, and funds on top.
Does GammaWins Calculator or Marketlog have real-time data?
Marketlog offers real-time data, which matters if you trade actively. GammaWins Calculator 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.
Is GammaWins Calculator or Marketlog better for day trading?
Marketlog is the one positioned more for active traders. GammaWins Calculator is the better fit if you care less about fast trading workflows and more about a calmer research process.
Can I track my portfolio with GammaWins Calculator or Marketlog?
Marketlog handles portfolio tracking. GammaWins Calculator 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.