Reading volume signals: CS2 liquidity tiers explained
Why every skin on SkinScope gets a Tier A–E liquidity badge, how we compute it from raw listing data, and what each tier means for the speed and certainty of a flip.
A skin’s price tells you what something is worth. Liquidity tells you whether you can actually get that price when you want out. Two skins with identical fair value can behave wildly differently in a real flip — one sells in two hours, the other sits for two months. Liquidity is the difference.
SkinScope ranks every tracked skin into one of five liquidity tiers (A through E) shown as a badge next to the skin name across every page. This article explains what the tiers mean, how we compute them, and how to use the signal in your decisions.
What liquidity actually measures
Three independent things move together when a skin is liquid:
- Listing count. How many live listings exist across all cash venues at any moment. AK Redline FT typically has 800+ listings. A Souvenir Cobblestone has 2.
- Sell-through rate. How quickly listings turn over. We measure as listings-cleared-per-day divided by listings-active. A high rate means buyers actually pull the trigger.
- Spread compression. How tight the bid—ask gap is across venues. Liquid skins are arbitraged thin (1—3% fee-adjusted spread); illiquid skins can have 15%+ spread that never closes.
Tiers blend all three using a weighted scoring formula. You don’t need to memorise the formula; you need to understand what each letter promises.
The five tiers
| Tier | Typical listing count | Expected days-to-sell at fair value | Examples |
|---|---|---|---|
| A | 300+ | 0—1 day | AK Redline (FT), AWP Asiimov (FT) |
| B | 80—300 | 1—3 days | M4A4 Howl (FT), Glock Fade (FN) |
| C | 20—80 | 3—10 days | Many Restricted, niche Classified |
| D | 5—20 | 10—30 days | Souvenir variants, rare patterns |
| E | under 5 | 30+ days, often months | Knife sub-patterns, FFI marble fades, sticker-loaded Souvenirs |
What each tier means for your flip
Margin-adjust your expectations by tier:
- Tier A. Spread is thin (1—3%). Move fast, high turnover, low absolute profit per flip. Compound through volume. Liquidity is your friend; your competition is also.
- Tier B. Moderate spread (3—8%) and steady turnover. The sweet spot for new flippers: enough margin to be worth the work, fast enough to learn from your mistakes within a week.
- Tier C. Wider spread (8—15%) but real patience required. Lock in capital you don’t need for at least two weeks. Great for portfolio diversification.
- Tier D. Wide spread, slow turnover. Treat as collectibles, not flips. Hold-for-appreciation logic, not spread-capture logic.
- Tier E. Don’t flip here. The bid-ask gap is gigantic and you’re competing with collectors who will outwait you. Only buy if you genuinely want the item and accept that exit might take six months.
How we compute the tier
Concretely, every 60 minutes we look at each tracked skin’s:
- Total live listings across ~20 cash venues (Skinport, CSFloat, Buff163, Steam, Waxpeer, DMarket, BitSkins, Skinbaron and the long tail).
- Number of distinct price points within ±5% of median. More distinct sellers = more genuine market depth.
- Latest 7-day listing churn (count of listings appearing then disappearing within that window).
- Outlier-filtered cross-venue spread.
Those four inputs feed into a 0—100 liquidity score; the score is binned into A—E using fixed thresholds we calibrated once against historical sell-through data. The tier doesn’t flip wildly day-to-day — a skin that was Tier A yesterday is almost certainly Tier A today — but a skin can drift over weeks as the market changes.
How to use the badge in practice
Two simple rules will save you a lot of frustration:
- Never deploy more than 25% of working capital into a single Tier D or E skin. The slow turnover means a bad buy will tie up cash you needed for the next trade.
- If the margin signal is > 15% on a Tier A skin, be suspicious. Tier A spreads compress fast. A “15% margin” on AK Redline FT is almost certainly a data anomaly or a listing that’ll be gone in 90 seconds.
SkinScope’s Scanner includes a liquidity-tier filter at the top. Beginners usually want B—C; veterans often filter to A for high-velocity flipping or D for long-hold positions.
Price tells you what to pay. Liquidity tells you what you’ll actually walk out with. A great-looking margin on a Tier E skin is theoretical until the buyer shows up. Look at both numbers, always.