VOL. XCIV, NO. 247

★ A CURATED DIRECTORY OF FINANCIAL TOOLS AND RESOURCES ★

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Friday, December 26, 2025

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Tool Comparison

GammaWins Calculator vs IPOWala.in comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

GammaWins Calculator adds Options P&L, and Options & Derivatives coverage that IPOWala.in skips.

IPOWala.in includes IPO, Calendar, and Buybacks & Authorizations categories that GammaWins Calculator omits.

In depth comparison

GammaWins Calculator logo

GammaWins Calculator

gammawins.com

Web-based options profit calculator focused on payoff + Greeks visualization. Core tools are usable without an account; some account-only features will prompt sign-in. Market data shown in the calculator is currently 15-minute delayed; GammaWins states paid tiers are planned for live data + direct index feeds.

Platforms

Web

Pricing

Free

Quick highlights

  • Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays.
  • Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies.
  • Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic.
  • Options quotes are sourced via OPRA (calculator currently displays 15-minute delayed data for options and stock prices).
  • Modeling: uses Black-Scholes for European options (mainly index options) and stock calls, and Bjerksund-Stensland for American puts.

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IPOWala.in logo

IPOWala.in

ipowala.in

India-focused IPO information portal (NSE/BSE context) with a live IPO Grey Market Premium (GMP) page and other IPO tracking pages (subscription status, allotment links, listing-performance tables, and buyback lists). GMP content is stated as informational only; the site states it does not trade, deal, or support grey-market / “subject-to” transactions, and recommends consulting a SEBI-registered advisor.

Platforms

Web

Pricing

Free

Quick highlights

  • Live IPO Grey Market Premium (GMP) tables for Mainboard and SME IPOs, showing IPO name, GMP (₹), issue price (₹), expected gain %, and an “Updated as of” timestamp.
  • Upcoming IPO table with open/close dates and issue price (calendar-style listing).
  • IPO subscription status tables (live + previous) with category-wise oversubscription multiples (QIB/NII/Retail/Total), referencing NSE/BSE bid data.
  • IPO allotment status table with allotment dates and outbound “View Status” links to registrar allotment-status pages (e.g., KFintech, MUFG Intime, Bigshare), plus how-to steps.
  • IPO listing performance / “IPO Performance Analysis” tables showing listing date, issue price, listing price, and gain/loss %, with separate sections for mainboard and SME.

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Where they differ

GammaWins Calculator

Distinct strengths include:

Options P&LOptions & Derivatives
  • Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays.
  • Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies.
  • Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic.
  • Options quotes are sourced via OPRA (calculator currently displays 15-minute delayed data for options and stock prices).

IPOWala.in

Distinct strengths include:

IPOCalendarBuybacks & Authorizations
  • Live IPO Grey Market Premium (GMP) tables for Mainboard and SME IPOs, showing IPO name, GMP (₹), issue price (₹), expected gain %, and an “Updated as of” timestamp.
  • Upcoming IPO table with open/close dates and issue price (calendar-style listing).
  • IPO subscription status tables (live + previous) with category-wise oversubscription multiples (QIB/NII/Retail/Total), referencing NSE/BSE bid data.
  • IPO allotment status table with allotment dates and outbound “View Status” links to registrar allotment-status pages (e.g., KFintech, MUFG Intime, Bigshare), plus how-to steps.

Feature-by-feature breakdown

AttributeGammaWins CalculatorIPOWala.in
Categories

Which research workflows each platform targets

Shared: Data Visualizations

Unique: Options P&L, Options & Derivatives

Shared: Data Visualizations

Unique: IPO, Calendar, Buybacks & Authorizations

Asset types

Supported asset classes and universes

Options, Stocks

Stocks

Experience levels

Who each product is built for

Intermediate, Advanced

Beginner, Intermediate

Platforms

Where you can access the product

Web

Web

Pricing

High-level pricing models

Free

Free

Key features

Core capabilities called out by each vendor

Unique

  • Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays.
  • Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies.
  • Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic.
  • Options quotes are sourced via OPRA (calculator currently displays 15-minute delayed data for options and stock prices).
  • Modeling: uses Black-Scholes for European options (mainly index options) and stock calls, and Bjerksund-Stensland for American puts.
  • Dividend handling currently assumes a constant dividend rate based on recent payout history; a more advanced dividend model using exact ex-dividend dates / finite-difference is described as part of an upcoming paid plan.

Unique

  • Live IPO Grey Market Premium (GMP) tables for Mainboard and SME IPOs, showing IPO name, GMP (₹), issue price (₹), expected gain %, and an “Updated as of” timestamp.
  • Upcoming IPO table with open/close dates and issue price (calendar-style listing).
  • IPO subscription status tables (live + previous) with category-wise oversubscription multiples (QIB/NII/Retail/Total), referencing NSE/BSE bid data.
  • IPO allotment status table with allotment dates and outbound “View Status” links to registrar allotment-status pages (e.g., KFintech, MUFG Intime, Bigshare), plus how-to steps.
  • IPO listing performance / “IPO Performance Analysis” tables showing listing date, issue price, listing price, and gain/loss %, with separate sections for mainboard and SME.
  • Upcoming and past share buyback listings with buyback price and date ranges.
Tested

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Featured inside curated shortlists

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Frequently Asked Questions

Which workflows do GammaWins Calculator and IPOWala.in both support?

Both platforms cover Data Visualizations workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do GammaWins Calculator and IPOWala.in require subscriptions?

Both GammaWins Calculator and IPOWala.in keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access GammaWins Calculator and IPOWala.in?

Both GammaWins Calculator and IPOWala.in prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

GammaWins Calculator differentiates itself with Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays., Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies., and Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic., whereas IPOWala.in stands out for Live IPO Grey Market Premium (GMP) tables for Mainboard and SME IPOs, showing IPO name, GMP (₹), issue price (₹), expected gain %, and an “Updated as of” timestamp., Upcoming IPO table with open/close dates and issue price (calendar-style listing)., and IPO subscription status tables (live + previous) with category-wise oversubscription multiples (QIB/NII/Retail/Total), referencing NSE/BSE bid data..

Keep exploring

Keep exploring

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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.