DXtrade platform for Tradeify247: percent fees, hard daily-loss stops, volatility sizing, every-day lanes

- DXtrade client (lib/dxtrade-class.ts): REST session login with lockout-safe
  backoff, 60s sync of accounts/metrics/positions/orders/transfers, history and
  fund transactions from cash transactions, day-start balance at the 22:00 UTC
  reset, CLOSE-by-positionCode exits (native OCO group, else a stop-first
  emulated pair), a cross-account hedge guard, stray-order reaper.
- Instrument selector: the firm's symbol map lists candidate symbols per CME
  root; the cheapest tradable one per unit of recent hourly volatility wins
  (spread + 2x commission [+ financing] / sigma).
- Fees: a firm's commission % of notional prices every fee off the fill; the
  take-profit is solved in closed form so the leg nets its target.
- Hard daily loss limit per account type: every leg carries a stop keeping the
  firm's day inside the limit less a 10% reserve and both fees (rounded in);
  a green day never widens it; no room or a refused bracket flattens.
- Notional sizing where the platform prices positions: target-hold volatility
  sizing or the symbol map's fixed notional, under a per-type notional cap.
- Every-day firms trade weekends/holidays; the scheduler runs lanes (futures,
  one per DXtrade firm) with their own hours, flat gate, mutex and batches.
- The catalog sync skips platforms this build doesn't know instead of treating
  them as Tradovate. One shared fireLeg replaces the duplicated batch/copy code.
- npm run check: fee/stop/sizing/hours/selector checks; scripts/dxtrade-smoke.mjs
  confirms the API against a real login before trading.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

This commit is contained in:

Brandon Li

2026-09-26 16:04:15 -05:00

co-authored by

Claude Opus 5.5

parent 49c4725e0c

commit 28f465508d

18 changed files with 3962 additions and 534 deletions

lib/dxtrade-class.ts

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