S2Ep110 | The Wall Won | The Gap Was The High, 430 Lakh Calls Pressed, 24300 Doubles To 216 Lakh | Pros Dump 1.8 Lakh Calls, Crowd Buys Them And Writes A Record 8.44 Lakh Naked Puts | Weekly + Monthly Expiry Together, Gap-Down Into 24150 | The Trapdo

Yesterday's question was answered inside the first hour: the gap blinked, the wall won. Episode 110 documents one of the biggest single-day structure rebuilds of the cycle, and sets the plan for a rare session where the Nifty's weekly and monthly books settle together.Monday's tape: Nifty 24,219.05, down 32.95 points (-0.14%), ending the two-higher-close streak. The gap-up toward the 24300 resistance was the high of the day; the market sold 130 points into the close, with a low near 24,152. The Sensex did a 588-point round trip (up 249, down 339) and closed 172 lower. India VIX rose a second straight day, +4.5% to 11.70, confirming Friday's tell of hedges being bought under the calm.The board, from NSE BhavCopy: roughly 430 lakh fresh calls written in one session. The 24300 wall DOUBLED, adding 81.5 lakh to 216.2 lakh, the biggest single position of the entire cycle. 77 lakh added at 24200, 58.6 at 24250, 51.8 at 24350, and 33 lakh written at 24150, below spot. Puts retreated everywhere above 24100: -37.3 lakh at 24250, -33.4 at 24300, -27.8 at 24200 (the front-line support thinned to 122.7 lakh), and even the 24000 base gave up 14.7 lakh. PCR collapsed from 1.078 to 0.695 in one day. Max pain slid 24250 to 24200, a sliding magnet being a follower. The futures basis flipped negative.The participants, official file: proprietary desks dumped their entire 1.45 lakh call book into the gap, selling 1,80,498 calls to go net short, while keeping 1.98 lakh puts, a one-day reversal by the fastest book on the board. Foreign institutions added 1,14,011 puts and 9,500 futures shorts, yet bought 1,182 crore of cash, their first cash buy in three days: hedged, not exiting. Retail bought 1.62 lakh calls, the very contracts the pros sold, and wrote 1.46 lakh more naked puts, a record 8.44 lakh short put book, the sixth record of the cycle, into an overlap expiry.The math: implied volatility jumped 34% in a day, 7.4 to 9.95. The expiry-day one standard deviation is about 126 points (24,093 to 24,345); the ATM straddle settled at 120 and was marked near 148 this morning, overnight fear premium. The model corner: the signal flipped to sell at 24,178 and projected 24,214.93 against a close of 24,219.05, four points, the sixth consecutive hit.Tuesday's open: GIFT implies a 60-point gap-down onto the 24,150 shelf, Korea is down 2% for the second straight day, the US bounce failed, and the dollar index crossed 99, while both weekly and monthly books settle today.The plan on record: defence first. The trapdoor is 24100, below it negative gamma and the record crowd put book accelerate toward 24,000-24,050. Pin gravity 24200. Resistance 24250, then the 216 lakh ceiling at 24300. Spreads only, never naked, flat by 3:15.Data sourced from NSE, BSE, SEBI, NSDL and CDSL. New episode every trading day at 8:30 AM IST. The Tanmay Edge streams first on rupeecase.com. Educational content, not investment advice. SEBI RA application under process.