CS20 Case is a CS2 case with 17 items plus 13 gold entries. It costs $0.70; opening it with the key comes to $3.54. The expected value of the contents is $1.15 — a 32.7% unboxing ROI, or 35.8% when trade-up contracts are factored in.
Takeaway: an opening costs $3.54 and returns $1.15 on average — a 67.3% long-run loss. The median opening returns $0.33: half of all tries return that much or less. The key eats 80% 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
−7.6%price over 2 weeks
1,946live listings in our DB
$72.31buy all 17 non-gold skins
Buying the contents outright is cheaper than unboxing: all 17 regular skins cost $72.31 — the price of 20.5 openings at $3.54 each. The priciest is AWP | Wildfire at $32.24, the cheapest is MAG-7 | Popdog at $0.20.
The case is retired from weekly drops: no new copies enter the game, and existing ones are consumed by openings.
No. An opening costs $3.54 ($0.70 for the case plus $2.84 for the key) while the contents average $1.15 — a 32.7% ROI. The chance a single opening returns more than you spent is 3.9%.
How much does it cost to open CS20 Case?
$3.54: the case itself is $0.70 (cheapest on CSFloat) plus the $2.84 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 $3.54 cost. The best 10% of openings drop an item worth more than $0.90.
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 32.7% to 35.8%.
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 $1,382.
Where is CS20 Case cheapest?
Right now the low is $0.70 on CSFloat; the highest we track is $1.64 — a 134% 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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