| What it does | Track every card like an asset
| Volatility data and research tools powered by a market-maker-grade fitting and pricing engine
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| Stage | Not given
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| Founded | Not given
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| Based in | CZ
| US
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan includes full collection tracking, 3 binders, 100 wishlist items, 3 price alerts, 10 graded cards, 1 pinned set, set checklists, CSV & JSON export, grading ROI calculator, and profit/loss tracking. Pro plan: $3.33 per month or $40 billed yearly, includes unlimited binders, unlimited wishli
| Free sample plan with no card required. Retail subscription available for individual personal use in the United States with daily limits on API credits. Institutional plans available at contact pricing for any business use with annual licenses invoiced monthly via ACH or wire. Higher-frequency data
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| Key features | - Live TCGplayer and Cardmarket market value tracking
- Automatic set checklists showing owned, missing, and cost to completion
- Portfolio history starting from the day you begin tracking
- Visual 9-pocket binder pages for organizing cards
- Realized and unrealized profit and loss tracking
- Grading ROI calculator for estimating gains from card grading
- Price alerts for tracked cards
- CSV and JSON export of collection data
- Graded card tracking with PSA support
- Wishlist for cards you want to acquire
| - Fitted volatility surfaces with bid-ask-weighted curves across every expiration
- Accounts for American-style options with early exercise, discrete dividends, and implied borrow rates
- One-minute granularity historical data across 140+ symbols spanning 10 years
- Realized volatility calculations from 385 intraday returns per day
- Vol Screener, Vol Premium, Skew Scanner, and Earnings Vol analysis tools
- Historical simulation using actual bid-ask prices and fitted vol surfaces
- Python package for research workflows
- Interactive visual dashboards for surface inspection and event studies
- Model Context Protocol (MCP) integration for AI agent workflows
- Greeks and constant-maturity metrics via API and dashboards
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| What makes it different | - Independent tool not affiliated with Nintendo, The Pokémon Company, TCGplayer or Cardmarket
- Real price history with no backfilled or invented data
- Market-based estimates for ungraded near-mint cards from current TCGplayer prices
- Built by collectors for collectors, focused on tracking not speculation
| - Arbitrage-free fitted volatility wings extending beyond quoted book using Lee-moment discipline
- Accessible to quantitative researchers and AI workflows through Python, API, and MCP without requiring market-maker infrastructure
- 10 years of consistent historical data at one-minute granularity across 140+ symbols for rigorous backtesting
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 19 | 0 |
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| Citation Flow (Majestic) | 16 | 0 |
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| Referring domains (Majestic) | 3 | 0 |
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