Decision Workspace
lob vs fin-primitives vs matchcore
Side-by-side comparison of Rust crates
34
lob
growingv0.1.0
Limit OrderBook
48
fin-primitives
experimentalv2.12.0
Financial market primitives: validated types, order book, OHLCV aggregation, 550+ streaming technical indicators, position ledger, and risk monitoring.
48
matchcore
experimentalv0.4.0
A high-performance order book and price-time matching engine implemented as a single-threaded, deterministic, in-memory state machine
Core Metrics
| lob | fin-primitives | matchcore | |
|---|---|---|---|
| Health Score | 34 | 48 | 48 |
| Total Downloads | 1.3K | 218 | 126 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 7 | 0 |
| Releases | 1 | 8 | 9 |
| Last Updated | 607d ago | 66d ago | 50d ago |
| Age | 1y 8m | 2m | 2m |
Health Breakdown
lob
Maintenance
1
Quality
14
Community
5
Popularity
4
Documentation
10
fin-primitives
Maintenance
9
Quality
13
Community
8
Popularity
3
Documentation
15
matchcore
Maintenance
11
Quality
15
Community
6
Popularity
3
Documentation
13
Technical Details
| lob | fin-primitives | matchcore | |
|---|---|---|---|
| Version | 0.1.0 | 2.12.0 | 0.4.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 6 | 9 | 5 |
| Crate Size | 14KB | 760KB | 95KB |
| Features | 0 | 0 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.81 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fin-primitives leads with a health score of 48/100, but none of the options score above 80.
- •lob has the most downloads (1.3K), suggesting wider adoption.
- •⚠ lob has not been updated in over a year.
- •lob, matchcore are pre-1.0 — API may change.