Posted in My Daily Journal · 20 October 2026
Handing the session from the door to the Williams buyer only on days the door has already spoken lifts net profit by two-thirds with a smaller drawdown, a race between the two strategies is tested and rejected, and the opening-range convention is pinned to one-minute closes after a defect on tiny-gap days.
The door trades on only a quarter of sessions. What happens if the pullback buyer takes the rest?
The door — our opening-range breakout buyer — fires on 28% of sessions, 785 trades at ₹380 each with a profit-to-drawdown of 4.46, and the question was what to do with the other 72%. Handing to the Williams buyer only after the door has traded the opposite way first gives 456 trades at ₹278 per trade and 9 of 12 years positive; handing over after a filled gap gives ₹367. Handing over after a quiet morning with no break by 12:00 loses ₹219 per trade, so the quiet afternoon is never handed over.
What does the combined book look like?
1,210 trades, net about ₹5.05 lakh at one lot, worst drawdown ₹55,579, profit-to-drawdown 9.09, 9 of 12 years positive, active on 43% of days. Against the door alone that is +69% net with a smaller drawdown, which is the only kind of addition worth making. An interlock defect that could have let the BankNifty leg fire against the chain was found and fixed in the same session.
Why not let both strategies race from the open and take whichever fires first?
Racing from 09:16 is worse, profit-to-drawdown 4.74, because the pullback buyer grabs mornings that belong to the door. Racing only from 09:46 adds about ₹41k over twelve years, which is indistinguishable from zero at this sample size. Priority stays: the door speaks first, the Williams buyer second.
Why does the order matter so much?
Because the two strategies read different things from the same morning. The door needs a decisive open; the pullback buyer needs a failed one. Giving the door first refusal, and the pullback buyer only the sessions where the door has already told us the open was indecisive, hands over information as well as time, which is why the chain beats a race.
What counts as the opening range?
One-minute closes, not highs and lows. On the door, the close-based range gives 961 trades at ₹355 per trade and profit-to-drawdown 6.83, against ₹327 and 4.07 for the high-low version, which lets a single wick define the day. Under the exact live conventions the door is 864 trades at ₹401 per trade with profit-to-drawdown 8.18. A defect in how the Williams buyer handled days with a tiny gap was fixed along the way, and the chain is now exercised in virtual sessions that replay a day minute by minute before any code change reaches the live book.