How to Compare Steam Listings With Completed Sales
Updated
API reference: POST /v1/prices/history · POST /v1/archive/steam
cs2.sh exposes Steam ask and bid OHLC separately from native Steam median sale price and purchase count, so both series can be aligned without treating order counts as sales.
Listings describe active seller asks and buyer bids. The archive's price is the median completed-sale price within a native Steam bucket.
Steam listing and sale datasets
| Dataset | Price fields | Volume fields | Coverage |
|---|---|---|---|
| Quote OHLC | Ask and bid open, high, low, close | ask_volume, bid_volume order counts |
Since December 24, 2025 |
| Native sales | Median price |
Purchase volume |
Daily since April 26, 2013; hourly since May 9, 2026 |
Both series use USD Steam wallet value. Their field names must remain distinct because an order count does not imply execution.
Align the two histories
Request steam at 1h or 1d from POST /v1/prices/history. Request the same exact regular item, interval, and UTC range from POST /v1/archive/steam.
Join on the normalized bucket boundary. Keep the quote open_time and close_time because they show what part of the bucket the order observations covered. Pair archive price with volume and quote closes with their order counts.
A sale median above or below the closing ask can be valid. Purchases occurred throughout the bucket, while close_ask is only the final observed listing floor.
Applicable endpoints
| Endpoint | Returns | Plans |
|---|---|---|
POST /v1/prices/history |
Steam ask and bid OHLC | Scale, Enterprise |
POST /v1/archive/steam |
Native median sale price and purchases | Scale, Enterprise |
GET /v1/market/steam/latest |
Current orderbook context | All plans |
Join limitations
ask_volumeandbid_volumeare active order counts. Archivevolumeis purchases.- A median sale price is not sale OHLC and cannot reconstruct individual trades.
- Missing buckets on either side should remain unpaired rather than becoming zero or a carried value.
- The listing series starts later than the daily sale archive. Earlier Steam analysis can use sales without quote OHLC.
- Both endpoints support regular items only; phase variants are unsupported.
Read Steam listing history and Steam sale history for each series independently.