Alex Mercer: Welcome to the Ledger Recap for Friday, March 20, 2026. I’m Alex Mercer, and we are here to look at the tape. This isn't about "hunches"; it's about grading our portfolio and refining the algorithm. Joining me is our Lead Analyst, Marcus Webb. Marcus, the session was green, but the margins were razor-thin.

Marcus Webb: Brutally thin, Alex. We’re grinding, but we’re leaving money on the table. Before we dive in, a quick reminder for the desk—we track in prediction market units. If we buy a contract at 60 cents, we're risking 0.60 units to win 0.40. It's pure risk-based accounting. We aren't looking at "payouts"; we're looking at capital efficiency.

Alex Mercer: Let’s look at the Scorecard. This session, we went 16 and 14 across 30 positions. That netted us a total of plus-1.2 units. Our overall portfolio is now sitting at 257 wins, 232 losses, and 14 pushes, for a total of negative-0.4 units. Marcus, 16 and 14 is a 53% win rate, but plus-1.2 units feels like we’re tread-milling.

Marcus Webb: It’s inefficient. We had several positions where our conviction didn't match our aggression. Let’s go to the Film Room and start with Alperen Sengün. We bought "Over 17.5 Points" shares at 49 cents against the Lakers. He finished with 27. 

Alex Mercer: He crushed that price. Systemically, why was the market so low on him?

Marcus Webb: The market mispriced the Lakers' interior rotation. With Anthony Davis forced to hedge on the perimeter to respect Houston’s spacing, the paint was vacated. This created a direct chain of causation: the Lakers’ lack of a secondary rim protector meant Sengün was consistently isolated against smaller wings in the low post, leading to a high-efficiency 10-of-15 shooting night. 

Alex Mercer: Time for the Aggressive Alpha Review. We bought at 17.5 for 49 cents. Looking at the order book, we could have taken "Over 22.5 Points" at 30 cents. Since he cleared 27, we missed out on an additional 0.19 units of profit per share by being too conservative. That’s a massive gap in a session where we only cleared 1.2 units total.

Marcus Webb: Exactly. We bought the floor when we should have bought the ceiling. We did the same thing with Guerschon Yabusele. We took "Over 3.5 Rebounds" against the Bulls. He grabbed 11. Taking a 3.5 line is essentially buying insurance you don't need. We're paying a premium for a "safe" price and it’s killing our PnL.

Alex Mercer: Let’s talk about a "Bad Beat" that wasn't. We held Cooper Flagg "Over 21.5 Points" at 53 cents. He finished with exactly 21. In traditional betting, you’re trapped there. You just lose.

Marcus Webb: But this is a market, Alex. This is where we have to be better traders. When Flagg had 21 points with four minutes left in a blowout, those "Over" shares were likely trading at 95 or 96 cents because the implied probability of him getting one more bucket was massive. We should have sold our position at 95 cents to lock in the profit. Instead, he got benched for the closing minutes, and our shares settled at zero. That’s not a bad beat; it’s a failure to manage the trade.

Alex Mercer: Let’s look at the Suns/Timberwolves 1H Moneyline. We bought Phoenix at 39 cents. They led after the first, but collapsed in the second to trail by one at the half. 

Marcus Webb: This was a systemic failure in our bench-rotation model. When the Suns' starters went to the bench, their defensive rating plummeted because they lacked a secondary rim protector to match Minnesota’s size. That caused a 28-24 swing in the second quarter. Our thesis ignored the bench-depth disparity, and the market punished us for it.

Alex Mercer: So, what’s the Strategic Evolution for the Playbook? 

Marcus Webb: It’s Conviction Calibration. If our model shows a player like Yabusele or Sengün has a systemic advantage that should lead to a 50% increase over their average, we stop buying the "Safe" 50-cent shares. We move to the Alt-lines. We need to start targeting the 30-cent contracts on higher totals to capture that Missed Alpha. We’re right on the "who," but we're being too cowardly on the "how much."

Alex Mercer: Iron sharpens iron. We’ll adjust the entry parameters for the weekend slate. Before we go, remember that prediction markets involve risk and require disciplined capital management. Opinions expressed are for informational purposes only. Bet responsibly.