Prisma 2 Case is a CS2 case with 17 items plus 52 gold entries. It costs $1.13; opening it with the key comes to $3.77. The expected value of the contents is $1.76 — a 46.6% unboxing ROI, or 55.7% when trade-up contracts are factored in.
Takeaway: an opening costs $3.77 and returns $1.76 on average — a 53.4% long-run loss. The median opening returns $0.28: half of all tries return that much or less. The key eats 70% of your spend. A full breakdown of every case is in the article Best CS2 cases in August 2026.
Where Prisma 2 Case came from
More facts about Prisma 2 Case
March 31, 2020release date · 6 yr ago
retiredweekly drops · as of 2026-07-02
+3.4%price over 2 weeks
2,875live listings in our DB
$120buy all 17 non-gold skins
Buying the contents outright is cheaper than unboxing: all 17 regular skins cost $120 — the price of 31.9 openings at $3.77 each. The priciest is M4A1-S | Player Two at $50.72, the cheapest is MP5-SD | Desert Strike at $0.05.
The case is retired from weekly drops: no new copies enter the game, and existing ones are consumed by openings.
No. An opening costs $3.77 ($1.13 for the case plus $2.64 for the key) while the contents average $1.76 — a 46.6% ROI. The chance a single opening returns more than you spent is 4.7%.
How much does it cost to open Prisma 2 Case?
$3.77: the case itself is $1.13 (cheapest on CSFloat) plus the $2.64 key. Keys are sold only by Valve at a fixed price.
What do you usually get from Prisma 2 Case?
The median single opening returns $0.28 — half of all openings return that much or less against a $3.77 cost. The best 10% of openings drop an item worth more than $1.09.
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 Prisma 2 Case ROI rises from 46.6% to 55.7%.
What are the knife odds in Prisma 2 Case?
0.26% — roughly one opening in 391. The gold pool has 52 entries picked with equal probability; the wear rolls separately. That many openings cost about $1,476.
Where is Prisma 2 Case cheapest?
Right now the low is $1.14 on CSFloat; the highest we track is $2.05 — a 80% 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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