High-Frequency Volume Rate of Change (VROC)
Query intraday minute-bar VROC (Volume Rate of Change) for A-share securities via the market data service.VROC = (Volume - Volume_N) / Volume_N * 100, measuring volume momentum. Default period N=12. Positive values indicate volume expansion, negative values indicate contraction.codes: comma-separated security codes (e.g. '600000.SH,000001.SZ').interval: minute bar width — 1/3/5/10/15/30/60.starttime/endtime: 'YYYY-MM-DD HH: MM: SS' intraday range.
Continue setup in your AI
Only public catalog IDs and a safe return path are handed to the Plugins page. This does not run the tool or confirm current availability, authorization, price, limits, or upstream status; those conditions are checked again before execution.
- Selected tool
- cn_financial_pro.hf_vroc.v1
- Provider scope
- cn financial pro 数据 (cn financial pro Data)
- Catalog updated
- 2026-10-31T07:11:35.505824+00:00
- Business task
- Pending verification
Run on this page: Execute is the in-site test path. Continue setup is for adding the public selection to an external AI; the two paths are tracked and validated separately.
Call setup
cn_financial_pro.hf_vroc.v1