Disk Manager Price — $11.83 | TI-99 | Baseball

Raw & Graded Price Snapshot

Marketplace Price Comparison

Sources tracked: current_price_snapshot.

How Guardian Calculates This Price

Guardian combines marketplace prices, recent sold listings, graded-card estimates, and cross-market checks into one daily card value. We separate raw and graded prices where data is available, ignore obvious outliers, and update card pages as new market data arrives.

Read the full Guardian Oracle pricing methodology.

Track, Grade, or Sell This Card

• Add this card to your collection to track value over time.
• Check grading ROI before submitting to PSA, BGS, or CGC.
• Compare selling options for Baseball cards.
• Scan another card for instant identification and pricing.

More Cards from TI-99

• Addition and Subtraction — $43.84
• Numeration — $9.15
• Multiplication — $8.00
• Division — $7.99
• Addition and Subtraction — $6.32
• Numeration — $6.21
• Scholastic Spelling - Level — $5.95
• Video Games — $5.50

Disk Manager in Other Sets

• Disk Manager (TI-99) — $20.00

Cards in Similar Price Range

Baseball cards priced near $11.83:

• Tyler Gentry [Black Foil] (2025 Topps) — $11.83
• Pro Evolution Soccer (PAL Wii) — $11.83
• Hokuto no Ken (Super Famicom) — $11.83
• Iridion (PAL GameBoy Advance) — $11.83
• Tobal (JP Playstation) — $11.84
• Banjo Kazooie (JP Nintendo 64) — $11.84
• Cheats 'N Codes Volume (Sega Dreamcast) — $11.84
• Space Channel (PAL Playstation 2) — $11.82

Related Pages

• Disk Manager Price Chart & History
• Cards Similar to Disk Manager
• Disk Manager Investment Analysis
• Disk Manager Condition Prices (LP/MP/HP)
• TI-99 Set Price Guide
• Baseball Hub
• Baseball Price Guide
• Unknown Baseball Cards
• Most Expensive Baseball Cards
• Best Cards Under $10
• Baseball Market Movers Today
• Scan Your Cards
• AI Card Grading
• Grading ROI Calculator
• Card Value Checker
• Where to Sell Baseball Cards

Frequently Asked Questions

Trending Right Now

• Charizard-Holo (Pokemon Dutch) — $15755.00
• Monkey.D.Luffy [Championship 25-26] (Promo) — $32499.98
• M Sachiko EX (Xy Promo) — $14900.00
• Gengar-Holo (Skyridge) — $18824.00
• Champion's League (Promo) — $18300.00
• Ash-Greninja EX (Xy Promo) — $14700.00
• Alakazam-Holo (Basic) — $22100.00
• Shining Mewtwo (Neo 4) — $21300.00
• Full Art/Mario Pikachu (Xy Promo) — $20205.00
• Dracaufeu-Holo (Pokemon French) — $37300.00
• The Soul Stone (Cosmic Foil) (Marvel's Spider-Man) — $32999.99
• Sealed Special Box [Mario Pikachu] (Promo) — $17687.50
• Booster Box (Pokemon Japanese Jungle) — $20550.00
• Cyber-Stein (Shonen Jump Championship 2004 Prize Card) — $24067.80
• Rayquaza-EX (Black White Promo) — $30000.00

7-Day Top Movers

• Groudon (Paradox Rift) — $117.30 (+68900.0% this week)
• Team Rocket's Mewtwo ex (Destined Rivals) — $542.69 (+45890.7% this week)
• Mega Gardevoir ex (Mega Evolution) — $200.33 (+31698.4% this week)
• Samurott (White Flare) — $43.29 (+30821.4% this week)
• Ethan's Ho-Oh ex (Destined Rivals) — $176.04 (+23689.2% this week)
• Baxcalibur (Paldea Evolved) — $29.95 (+17517.7% this week)
• Mega Venusaur ex (Mega Evolution) — $153.30 (+17320.5% this week)
• Milotic ex (Surging Sparks) — $125.27 (+16382.9% this week)
• Gardevoir ex (Scarlet & Violet) — $84.87 (+10508.8% this week)
• Zeraora (Stellar Crown) — $11.59 (+10436.4% this week)
• Mega Charizard X ex (Phantasmal Flames) — $373.56 (+9679.1% this week)
• Mega Absol ex (Mega Evolution) — $67.79 (+9584.3% this week)
• Grovyle (Emerald) — $1.04 (+9410.9% this week)
• Tapu Bulu (Shrouded Fable) — $7.46 (+9225.0% this week)
• Iron Moth (Paradox Rift) — $6.98 (+8625.0% this week)