Find the decision, fast
Search and compare the player board while Model Fair Value, market context, availability, and your league-pack notes stay visible.
LEAGUE-AWARE AUCTION INTELLIGENCE
Own the room, not just your roster.
Big Tuna keeps player value, market context, budgets, rosters, targets, and nomination strategy in one command center while the auction clock is moving.
Local-first draft stateLeague-pack drivenPortable recovery
LIVE ROOM READDraft ready
PLAYER DECISIONValue in context
+ EDGE- Fair value
- League model
- Market
- Room price
- Budget
- Max legal bid
Roster fit
Room adjustment
Bye-week check
One board. Every budget. The next decision in view.
WHAT BIG TUNA DOES
Decision support shaped around your league.
Start with the inputs your auction actually uses, then keep the plan and the room state connected through every nomination.
Run the whole room
Track every roster, budget, open spot, nomination, and winning bid without losing your own plan.
Adjust while prices move
Use room adjustment, value signals, targets, queue context, and bye-week awareness as the auction changes.
LEAGUE PACK → DRAFT ROOM
Prepare once. Stay oriented all auction.
- 01Start with a demo pack
Use synthetic sample data as a safe customization template.
- 02Populate and update
Use the curated prompt workflow for current-season inputs and pre-draft changes.
- 03Import your league pack
Big Tuna validates the workbook contract before it enters the workspace.
- 04Run the auction
Track values, rosters, budgets, opponents, targets, and nominations together.
- 05Export a portable backup
Carry a restorable copy beyond this browser whenever you choose.
PRODUCT HIGHLIGHTS
Six views of one live auction.
Player board
Discovery, filters, comparisons, notes, and league-aware value context.
Roster control
Budget left, maximum legal bid, open spots, and position pressure in one view.
Room intelligence
Opponent rosters and spending captured alongside the live market.
Strategy tools
Targets, a nomination queue, budget plans, and strategy-aligned shortlists.
Opponent capture
Record every sale quickly and keep the auction state auditable.
Local recovery
Autosave by account in this browser, plus portable session export and restore.
ACCOUNT RESOURCES
A clean starting point for your own league.
These protected previews describe the workflow without publishing the underlying files or prompt text.
Synthetic data. Real structure.
A customization template for learning the Big Tuna league-pack contract without exposing a private league or proprietary inputs.
Preview only in this release; no workbook is distributed here.
View protected demo-pack previewBuild, then refresh, your inputs.
A guided workflow for current-season population and a focused pre-draft injury and outlook update.
Preview only in this release; full prompt text remains protected.
View protected prompt-library previewLOCAL-FIRST BY DESIGN
Your browser holds the draft. You control the backup.
Clerk provides identity and access. Your imported league pack and live draft state stay in this browser, namespaced to the signed-in account.
Big Tuna does not promise cross-device sync. Export a portable session when you want a restorable copy outside this browser.