FluxrBot vs SpellBook Finance
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
FluxrBot compared with SpellBook Finance
| Detail | 
FluxrBot | 
SpellBook Finance |
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| What it does | Pre-trade check for Kalshi & Polymarket contracts
| Sell Magic cards across eBay, ManaPool, and TCGplayer with AI agents
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| Stage | Startup
| Not given
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| Founded | 2026
| Not given
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| Based in | US
| Not given
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| Pricing model | Not given
| Freemium
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| Pricing | Free 3-day trial, no card required, then $2,499 per month, cancel anytime
| Free tier with core features. Premium: $8/mo or $80/yr for sealed-deals board, arbitrage alerts, and higher price-alert headroom. Free shop with 10,000 listed-card allowance (soft limit).
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| Key features | - Live order book and fees display
- Reads 52 named news and data sources
- Five trading strategies: news, group arbitrage, cross-venue arbitrage, forecast vs market, fade the crowd
- Telegram watchlist alerts
- Paper account paper trading
- Position size and daily volume caps enforced in code
- 16-22 second latency from news publication to database entry
- Every decision logged with reason, event source and model probability
- Windows desktop application
| - Real transaction-backed pricing from TCGplayer market data
- Cross-marketplace price comparison
- Sealed product expected value rankings
- Portfolio tracking with cost basis and opportunity cost measurement
- AI agent integration for marketplace listing
- Daily price updates from completed sales
- Card inventory import from ManaBox or TCGplayer export
- Desktop card scanner for Mac and Windows
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| What makes it different | - Reads news first-hand from Reuters and AP via Bluesky rather than relying on order book signals
- Every decision visible including refusals: 3,991 refusals logged vs 7 trades
- Hard limits enforced in code that bot cannot exceed
- Transparent paper-first approach with no guarantees of profit
- Covers both Polymarket and Kalshi with ~99% of US event-contract volume
| - Uses real completed transaction prices instead of listing medians
- Focuses on sealed product expected value as a financial asset
- Transparent, publicly reviewed methodology
- Affiliate revenue does not influence rankings or recommendations
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 9 ▲ +1 (up) since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 18 | 4 |
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| Citation Flow (Majestic) | 20 | 12 |
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| Referring domains (Majestic) | 84 | 26 |
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4 details filled in for both companies.
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