M200 (BFlycDS)
Balanced put fly + far-OTM call debit spread, ~200 DTE. Multi-DTE sweep, auto-hedge picker, hold-horizon scoring.
Structural OSP playbook — what to look for & live signal measured
Profit mechanism. 5-leg ~200-225 DTE (doubled put fly +2/−4/+2 + call debit spread), net debit ~$10k. Positive theta, short gamma, SHORT VEGA; profit zone ~7% below spot — a structural left-tail/drift carry.
Look for:
- EV-per-terminal-risk (scorer wt 0.25) + flat T+0/15/30 payoff (wt 0.20)
- risk-efficiency = max-loss/EM ≤ ~5% (wt 0.20)
- PoP ≥ 55% (hard floor) + |delta| ≤ 0.10 (wt 0.10)
- ~200 DTE on an index; IV NOT spiking (short vega)
Edge / reality: Short-vega structural carry + left-tail convexity. MEASURED: in calm/contango the short-vol carry (VRP) is +3.0vp and pays on 83% of days — but 7% of entries hit a vol SPIKE within 10d (the short-vega tail that bites). Real edge only shown 2024+ (~40% CAGR, 25% TP exits).
Live-signal caveat: Measured on real bars — but the leave-out test splits the edge: the IV-RANK TIMING is robust (IV mean-reverts down −1.5/−2.2vp/wk EVERY year 2024-26), while the raw VRP carry is EVENT-CONCENTRATED (negative in some years). Lean on the timing, not the carry.
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