The 2021 Train Collection index
The PatinaAI The 2021 Train Collection index is still building: the Steam sold histories of its 77 members are being read, and the first published day arrives with the next refresh. Index points are not euro prices.
This index has not published its first day yet. Its members' Steam histories are being read; the line arrives with the next refresh.
Median of each member's Steam sold history rebased to 100 at its first observation; 0 of 77 members have history. The current UTC day is left out, a day needs at least three contributing names, and a change compares exact calendar days or reads "no read". Every index sits on one table; the composite is on the market report.
| Name | Rarity | Cheapest ask | 30d |
|---|---|---|---|
 M4A4 | The Coalition | Covert | €97.93 | no read |
 Glock-18 | Gamma Doppler | Covert | €56.76 | −3.3 % |
 USP-S | Whiteout | Classified | €27.21 | −10.3 % |
 MAC-10 | Propaganda | Classified | €24.55 | no read |
 FAMAS | Meltdown | Classified | €23.57 | no read |
 Nova | Red Quartz | Restricted | €6.05 | no read |
 AWP | POP AWP | Restricted | €4.75 | no read |
 P2000 | Space Race | Restricted | €4.43 | no read |
 MP5-SD | Autumn Twilly | Restricted | €4.32 | no read |
 CZ75-Auto | Syndicate | Restricted | €4.14 | −26.6 % |
 R8 Revolver | Blaze | Mil-Spec | €2.36 | −27.4 % |
 Desert Eagle | Sputnik | Mil-Spec | €1.47 | −20.4 % |
 AUG | Amber Fade | Mil-Spec | €1.38 | no read |
 SSG 08 | Spring Twilly | Mil-Spec | €1.28 | −11.3 % |
 Tec-9 | Safety Net | Mil-Spec | €1.16 | −26.5 % |
 UMP-45 | Full Stop | Mil-Spec | €1.15 | −3.0 % |
 M4A1-S | Fizzy POP | Mil-Spec | €1.14 | −16.0 % |
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17 names, 17 priced. Cheapest ask across every wear and variant, before fees; 30d is the Skinport 30-day against 90-day sold median, at least three sales in the week. Prices read 23 September 2026 at 18:41 UTC.
What is in the The 2021 Train Collection index?
Every skin the catalogue files under the The 2021 Train Collection that has Skinport volume, in every wear and variant a market quotes. 77 names qualify today and 0 of them have Steam sold history, so the line is drawn from those 0; the rest join as their histories arrive.
How do I read the number?
A point above 100 means the typical member sells for more than it did on its own first recorded day; below 100, less. It is a level, not a price, and not a forecast. The 24h, 7d and 30d figures compare the last published day with the exact day that many days before it, so they can read "no read" on a series with gaps. Compare it with every other index or read the market report for the composite, the fear and greed read and the movers.