


National best bid and offer summary for M4A4 | Polysoup (Field-Tested): best bid $9.74 on marketcsgo, best ask $8.84 on buff163, spread -$0.90 (-924 basis points), across 10 markets, 73 percent confidence.
Bar chart of how many marketplaces fall into each price bucket for M4A4 | Polysoup (F), 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 M4A4 | Polysoup (F), 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 → | buff163 | csfloat | dmarket | lis-skins | whitemarket | waxpeer | skinport | mannco-store | steamcommunity |
|---|---|---|---|---|---|---|---|---|---|
| buff163 | — | +2.5% | +4.4% | +4.6% | +6.3% | +9.8% | +15.4% | +15.8% | +51.6% |
| csfloat | -2.4% | — | +1.9% | +2.1% | +3.8% | +7.2% | +12.6% | +13.0% | +47.9% |
| dmarket | -4.2% | -1.8% | — | +0.2% | +1.8% | +5.2% | +10.5% | +10.9% | +45.2% |
| lis-skins | -4.4% | -2.1% | -0.2% | — | +1.6% | +5.0% | +10.3% | +10.7% | +44.9% |
| whitemarket | -6.0% | -3.6% | -1.8% | -1.6% | — | +3.3% | +8.5% | +8.9% | +42.6% |
| waxpeer | -9.0% | -6.7% | -4.9% | -4.7% | -3.2% | — | +5.0% | +5.5% | +38.0% |
| skinport | -13.3% | -11.2% | -9.5% | -9.3% | -7.8% | -4.8% | — | +0.4% | +31.4% |
| mannco-store | -13.7% | -11.5% | -9.9% | -9.7% | -8.2% | -5.2% | -0.4% | — | +30.9% |
| steamcommunity | -34.0% | -32.4% | -31.1% | -31.0% | -29.9% | -27.5% | -23.9% | -23.6% | — |
Horizontal bar chart showing how each marketplace's price deviates from the median price for M4A4 | Polysoup (F), 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.