


National best bid and offer summary for USP-S | Serum (Factory New): best bid $106.61 on marketcsgo, best ask $100.00 on csfloat, spread -$6.61 (-620 basis points), across 11 markets, 73 percent confidence.
Bar chart of how many marketplaces fall into each price bucket for USP-S | Serum (FN), with price buckets along the horizontal axis (lower prices on the left) and the number of markets on the vertical axis; a reference line marks the median price.
Arbitrage matrix of buy-to-sell profit percentages between marketplaces for USP-S | Serum (FN), with the buy market in each row and the sell market in each column; each cell's value and color show the percentage gain or loss of buying low on one market and selling high on another.
| Buy ↓ / Sell → | csfloat | lis-skins | whitemarket | buff163 | waxpeer | dmarket | skinport | skindeck | mannco-store | steamcommunity |
|---|---|---|---|---|---|---|---|---|---|---|
| csfloat | — | +7.2% | +8.2% | +11.7% | +14.0% | +17.0% | +17.4% | +21.9% | +23.8% | +50.0% |
| lis-skins | -6.8% | — | +0.9% | +4.1% | +6.3% | +9.1% | +9.5% | +13.7% | +15.5% | +39.9% |
| whitemarket | -7.6% | -0.9% | — | +3.2% | +5.4% | +8.2% | +8.5% | +12.7% | +14.4% | +38.6% |
| buff163 | -10.4% | -3.9% | -3.1% | — | +2.1% | +4.8% | +5.2% | +9.2% | +10.9% | +34.3% |
| waxpeer | -12.3% | -5.9% | -5.1% | -2.1% | — | +2.6% | +3.0% | +7.0% | +8.6% | +31.6% |
| dmarket | -14.6% | -8.4% | -7.5% | -4.6% | -2.6% | — | +0.4% | +4.2% | +5.8% | +28.2% |
| skinport | -14.9% | -8.7% | -7.9% | -4.9% | -2.9% | -0.3% | — | +3.8% | +5.4% | +27.7% |
| skindeck | -18.0% | -12.1% | -11.3% | -8.4% | -6.5% | -4.0% | -3.7% | — | +1.5% | +23.0% |
| mannco-store | -19.2% | -13.4% | -12.6% | -9.8% | -7.9% | -5.5% | -5.2% | -1.5% | — | +21.1% |
| steamcommunity | -33.3% | -28.5% | -27.9% | -25.6% | -24.0% | -22.0% | -21.7% | -18.7% | -17.5% | — |
Horizontal bar chart showing how each marketplace's price deviates from the median price for USP-S | Serum (FN), with percent deviation on the horizontal axis and marketplaces listed vertically; bars right of zero are a premium (red), bars left are a discount (green).
Data freshness across marketplaces, one row per market showing how recently each was updated; bar length and color encode age (green under 5 minutes, amber under 1 hour, red older), alongside each market's live, stale, or offline status and listing count.