CS20 Case is a CS2 case with 17 items plus 13 gold entries. It costs $0.87; opening it with the key comes to $3.51. The expected value of the contents is $1.35 — a 38.4% unboxing ROI, or 44.0% when trade-up contracts are factored in.
Takeaway: an opening costs $3.51 and returns $1.35 on average — a 61.6% long-run loss. The median opening returns $0.33: half of all tries return that much or less. The key eats 75% of your spend. A full breakdown of every case is in the article Best CS2 cases in August 2026.
Where CS20 Case came from
More facts about CS20 Case
October 18, 2019release date · 7 yr ago
retiredweekly drops · as of 2026-07-02
+8.1%price over 2 weeks
632live listings in our DB
$77.00buy all 17 non-gold skins
Buying the contents outright is cheaper than unboxing: all 17 regular skins cost $77.00 — the price of 21.9 openings at $3.51 each. The priciest is AWP | Wildfire at $34.06, the cheapest is Glock-18 | Sacrifice at $0.14.
The case is retired from weekly drops: no new copies enter the game, and existing ones are consumed by openings.
No. An opening costs $3.51 ($0.87 for the case plus $2.64 for the key) while the contents average $1.35 — a 38.4% ROI. The chance a single opening returns more than you spent is 5.7%.
How much does it cost to open CS20 Case?
$3.51: the case itself is $0.87 (cheapest on Skinport) plus the $2.64 key. Keys are sold only by Valve at a fixed price.
What do you usually get from CS20 Case?
The median single opening returns $0.33 — half of all openings return that much or less against a $3.51 cost. The best 10% of openings drop an item worth more than $1.06.
What does the "with contracts" column mean?
Some drops are worth more as trade-up contract inputs than sold outright. Counting the better of "sell" vs "feed into a contract", the CS20 Case ROI rises from 38.4% to 44.0%.
What are the knife odds in CS20 Case?
0.26% — roughly one opening in 391. The gold pool has 13 entries picked with equal probability; the wear rolls separately. That many openings cost about $1,374.
Where is CS20 Case cheapest?
Right now the low is $0.87 on Skinport; the highest we track is $1.64 — a 89% spread between markets.
Prices are aggregated from 11 marketplaces into our own database and refresh automatically; USD values are converted from RUB at the current central-bank rate. CS2Price does not sell items — we compare prices and compute profitable trade-up contracts. Not affiliated with Valve.
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