GSI Digital Products

Learn the system. Use the data.

The GSI subscription gives you the live data. These products give you the framework to use it intelligently — from prize table math to tax documentation to the first call you should make if you win a million dollars.

PDF guideMost popular

How to Read Prize Tables Like an Analyst

The 30-minute guide

Everything a scratch card player needs to know about prize tables, depletion math, adjusted odds, and the Value Index formula — explained with real examples from actual state lottery data. Written for players, not statisticians.

✓How the Value Index is calculated — step by step
✓Reading a prize table: what state lotteries show you vs. what they don't
✓Adjusted odds math — why the printed odds are always stale
✓Depletion rate by state — which lotteries refresh data daily vs. weekly
✓The 2026 tax law explained: what the 90% cap means for your records
✓Quick-reference decision checklist for every ticket purchase
$29
one-time · no subscription
Digital courseBest value

Scratch Card Strategy: From Casual Player to Informed Buyer

6 modules, self-paced

A structured course that turns GSI's data tools into a repeatable decision framework. Covers everything in the data guide plus live-data exercises using the GSI platform, portfolio tracking discipline, and the tax documentation system every serious player should have.

✓Module 1: How scratch cards actually work — the math the lottery doesn't advertise
✓Module 2: Reading the GSI dashboard — Value Index, velocity, and prize market status
✓Module 3: Cross-state comparison — when border-state shopping is actually worth it
✓Module 4: Building a ticket log the IRS will accept — field-by-field walkthrough
✓Module 5: The 2026 tax rules — the 90% cap, Schedule A, and what documentation you need
✓Module 6: Second chance programs — how to never let a non-winning ticket go to waste
$79
one-time · no subscription
Physical productNewComing soon

Custom Collector Scratch Card

Personalized · printed · shipped

A premium novelty scratch card designed around your playing history and favorite game — printed on professional scratch-card stock and shipped in a gift box. Not redeemable for prizes. A collector's keepsake, not a lottery ticket.

✓Your name and favorite state on the card
✓Egyptian mythology theme (like the Imhotep Millionaire Vizier) or 3 other themes
✓Custom prize amounts based on your biggest documented win
✓Professional scratch-off coating on 5 prize areas
✓Printed on 16PT coated cardstock — same stock as commercial scratch cards
✓Gift box packaging with a GSI certificate of authenticity
✓Legally labeled as a novelty/collector item — not redeemable for cash
$39
one-time · no subscription
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The foundational text

Game Scratch — Sean Christopher

The book that GSI was built to extend. Covers scratch cards as a tax-offset strategy and a framework for informed play. Everything in the GSI data guides builds on the methodology established here.

About the custom collector card: Custom scratch cards from GSI are novelty collector items printed on professional scratch-card stock. They are not lottery tickets and are not redeemable for cash, prizes, or any monetary value. Every card is clearly labeled "For collector/entertainment purposes only — not a lottery ticket." GSI is not a lottery operator and is not affiliated with any state lottery commission. See our full disclosure →