▌ Patternbook
Find net-profitable
CS2 skin arbitrage.
Every market, every spread — after fees and the 7-day trade lock.
4 markets tracked · ~2,400 knives · refreshed every 2 min
▌ What it does
Every market in one row.
BUFF163 prices alongside Steam, Skinport, and CSFloat. One screen, no tabs.
| Skin | BUFF | Steam | Skinport | CSFloat | Spread% | Profit |
|---|---|---|---|---|---|---|
| ★ Karambit | Fade FN | $2,150 | $2,520 | $2,540 | $2,490 | +18.1% | +$384 |
| ★ M9 Bayonet | Doppler MW | $1,890 | $2,140 | $2,180 | $2,160 | +12.0% | +$226 |
| ★ Talon Knife | Slaughter FT | $640 | $715 | $720 | $708 | +9.4% | +$60 |
| ★ Stiletto | Marble Fade FN | $1,420 | $1,605 | $1,612 | $1,598 | +10.5% | +$149 |
Net profit, not raw spread.
Fees, FX, and the 7-day trade-lock cost-of-carry — all priced in. You see actual return, not the headline spread.
BUFF $2,150 · buyer fee +2.5%cost $2,204
Skinport $2,540 · seller fee −6%net $2,388
Profit+$184 (+8.3%) over 7-day lock
Pattern-sensitive items flagged.
Dopplers, Fades, Case Hardened, Crimson Web — items where the aggregate price lies. We flag them, you don't get burned.
★ Karambit | Doppler (FN)⚠ Pattern$1,820
Aggregate price mixes Sapphire ($3,500) and Phase 4 ($820). Verify on BUFF before acting.
▌ Coming after launch
Watchlists & price alerts
Save skins; get notified when a spread crosses your threshold.
Spread history + anomaly detection
"This spread is in the 95th percentile of its 30-day range." Stop guessing whether a margin is structural or actionable.
Real-time multi-market push
Sub-minute updates via WebSocket. Stop waiting for the next refresh.
Per-phase / per-pattern pricing
Sapphire ≠ Phase 4. Crimson Web triple-spider ≠ tier 5. We disaggregate the items where the aggregate lies hardest.
Stop running five tabs.
Patternbook is one.
Email us your address — we'll let you in early.