Eight episodes ago this podcast put one sentence on record: if oil crosses 90 dollars, the support under this market starts breaking. Overnight, Brent crossed it, 91.16 at recording time, and it picked expiry morning to do it. The same file shows retail walking into today short 6.61 lakh puts, naked, their THIRD consecutive record after 5.74 and 6.08, having sold 53 thousand more into Monday's fall, one night before the trigger fired. And expiry implied volatility, asleep at 7.8 percent on Friday, woke 25 percent overnight to 9.7. It is expiry day: something resolves at 3:30, by force. Monday itself was the fifth straight lower close, a staircase: 24,472, 24,436, 24,396, 24,366, 24,287.65, roughly 45 points a step, with the seventh sector rotation in seven sessions, IT hammered while realty and metals rose. The war behind it reached maximum size: foreign institutions sold 2,535 crore of cash, their biggest of the month, pushed 8,423 crore through index options in a single day, and hold a fresh cycle high 1.82 lakh index futures short with a put book through 5 lakh contracts for the first time. Domestic funds wrote their second 5,000 crore cheque in three sessions. The proprietary desks doubled their long put leg and hold long volatility on both sides, a book the overnight spike already pays. Nobody informed is short volatility this morning. Only the crowd is, in record size, for the third time. Today's board is a genuine battleground, all from the official file. Max pain sits at 24,350, sixty two points ABOVE spot for once, with the expiry future sixty points over. The put writers mounted the biggest single-strike defense of the cycle right under the market: 135 lakh puts at 24,300, 83 lakh at 24,250 after Monday's biggest single add, 104 lakh at 24,200, a 114 lakh base at 24,000, 108 lakh contracts of defense raised between 24,200 and 24,300 in one session. Above, 71 lakh fresh calls at 24,350 and 105 lakh at 24,400. The straddle costs about 125. The gamma map splits the day: negative below 24,350 where moves amplify, positive above 24,400 where they damp, and the open lands inside the pit. The two arguments, both on the table: the pin, if oil cools, with the magnet overhead and an enormous put army below; or the break, if oil holds above 91 and 24,250 gives way, where the crowd's record naked puts become the fuel toward 24,000. The episode does not pre-choose: the level chooses. The firm calls: do not sell today's volatility, own movement small and defined after a stop day, and be flat of expiry premium by 3:15, because the closing auction owns the last print of every session now. Episode 104 graded 3 on 5, straight: the buy-dips bias was wrong and the stop at 24,300 fired by twelve points, but the do-not-sell-vol rule paid in full overnight. Also inside: the rupee at a new weakest 95.61, US yields at 4.73, Korea's melt-up against a red Asia, and the AllCap's fresh rebalance cycle opening with 0.40 percent of alpha on day one. 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.