Every heater pays its light bill eventually. The Kalshi card went 0-for-3 Friday night, and in the most baseball way imaginable: the Braves WON 6-4 and homered, except the bomb belonged to Michael Harris II while Olson and Albies went a combined 2-for-10. Out in Anaheim, Neto drew two walks and never got a pitch worth launching while Edmundo Sosa won the game for Philly with a pinch-hit grand slam in the ninth. The barrels flew all around us, none of them ours. Fine. We grade it, we post it, we move:
| Date | Play | Price | Effective (dec.) | Result | Risked | P/L |
|---|---|---|---|---|---|---|
| 8/17 | Bobby Witt Jr. (KC) | 16¢ | 5.90 | ✅ | 0.25u | +1.23u |
| 8/17 | Pete Crow-Armstrong (CHC) | 21¢ | 4.51 | ✅ | 0.25u | +0.88u |
| 8/17 | Mookie Betts (LAD) | 15¢ | 6.29 | ❌ | 0.25u | −0.25u |
| 8/18 | Jackson Merrill (SD) | 13¢ | 7.25 | ❌ | 0.25u | −0.25u |
| 8/18 | Pete Crow-Armstrong (CHC) | 18¢ | 5.25 | ✅ | 0.25u | +1.06u |
| 8/18 | Mike Trout (LAA) | 19¢ | 4.98 | ❌ | 0.25u | −0.25u |
| 8/18 | Jo Adell (CLE) | 14¢ | 6.74 | ✅ | 0.25u | +1.43u |
| 8/18 | Corbin Carroll (AZ) | 9¢ | 10.45 | ❌ | 0.25u | −0.25u |
| 8/19 | Pete Crow-Armstrong (CHC) | 14¢ | 6.74 | ❌ | 0.25u | −0.25u |
| 8/19 | Bryce Harper (PHI) | 19¢ | 4.98 | ❌ | 0.25u | −0.25u |
| 8/19 | Gunnar Henderson (BAL) | 15¢ | 6.29 | ❌ | 0.25u | −0.25u |
| 8/20 | Pete Alonso (BAL) | 21¢ | 4.51 | ❌ | 0.25u | −0.25u |
| 8/20 | Zach Neto (LAA) | 17¢ | 5.56 | ✅ | 0.25u | +1.14u |
| 8/21 | Francisco Lindor (NYM) | 16¢ | 5.90 | ❌ | 0.25u | −0.25u |
| 8/21 | Julio Rodríguez (SEA) | 17¢ | 5.56 | ❌ | 0.25u | −0.25u |
| 8/21 | Pete Crow-Armstrong (CHC) | 21¢ | 4.51 | ✅ | 0.25u | +0.88u |
| 8/22 | Corbin Carroll (AZ) | 16¢ | 5.90 | ❌ | 0.25u | −0.25u |
| 8/22 | Jo Adell (CLE) | 19¢ | 4.98 | ✅ | 0.25u | +1.00u |
| 8/23 | Jo Adell (CLE) | 23¢ | 4.13 | ❌ | 0.25u | −0.25u |
| 8/23 | Jackson Merrill (SD) | 18¢ | 5.25 | ✅ | 0.25u | +1.06u |
| 8/23 | Ronald Acuña Jr. (ATL) | 13¢ | 7.25 | ❌ | 0.25u | −0.25u |
| 8/24 | Junior Caminero (TB) | 20¢ | 4.73 | ❌ | 0.25u | −0.25u |
| 8/24 | Pete Crow-Armstrong (CHC) | 21¢ | 4.51 | ❌ | 0.25u | −0.25u |
| 8/24 | Byron Buxton (MIN) | 28¢ | 3.40 | ❌ | 0.25u | −0.25u |
| 8/25 | Bryce Harper (PHI) | 16¢ | 5.90 | ❌ | 0.25u | −0.25u |
| 8/25 | Fernando Tatis Jr. (SD) | 15¢ | 6.29 | ❌ | 0.25u | −0.25u |
| 8/25 | Manny Machado (SD) | 13¢ | 7.25 | ❌ | 0.25u | −0.25u |
| 8/26 | Matt Olson (ATL) | 18¢ | 5.25 | ✅ | 0.25u | +1.06u |
| 8/26 | Pete Alonso (BAL) | 18¢ | 5.25 | ✅ | 0.25u | +1.06u |
| 8/27 | Jac Caglianone (KC) | 19¢ | 4.98 | ✅ | 0.25u | +1.00u |
| 8/27 | Jackson Chourio (MIL) | 17¢ | 5.56 | ✅ | 0.25u | +1.14u |
| 8/28 | Matt Olson (ATL) | 26¢ | 3.66 | ❌ | 0.25u | −0.25u |
| 8/28 | Ozzie Albies (ATL) | 14¢ | 6.74 | ❌ | 0.25u | −0.25u |
| 8/28 | Zach Neto (LAA) | 17¢ | 5.56 | ❌ | 0.25u | −0.25u |
| TOTAL | 12-for-34 | 8.50u | +7.44u (88% ROI) |
Still 12 winners, still up 7.44 units, still an 88% ROI. The reason one 0-for-3 reads like a paper cut instead of an amputation is the same boring sermon at the bottom of every column: quarter units make bad nights survivable and good ones compounding. Today it's a tighter card: two swings, both already fired, both at prices the board has since moved off of (details in the fee math below). Saturday afternoon baseball, let's eat.
Michael Harris II hit the lone Braves homer Friday, one of the barrels that flew all around the card without landing on it. He's not on today's card; today's two names are below.
Alex Bregman: 1+ HR (13¢, Effective 7.25) — Reds @ Cubs
Some days you bet the hitter. Some days you bet the SKY. The flags at Wrigley are pointing at the bleachers today (roughly 10 mph blowing out toward left-center), and everyone who's spent a summer on the North Side knows Wrigley with the wind out isn't a park, it's a launchpad wearing a park costume. The building already rates a 1.09 homer factor on the season, and these same two teams just hung 18 runs on this yard Friday in a 10-8 Reds win; wind-out days are a different sport entirely.
Into that sky steps Bregman, batting third behind Crow-Armstrong and Suzuki against lefty Andrew Abbott, and the fit is more specific than "righty vs. lefty." Bregman is a 47% pull hitter with a 17.1° average launch angle, a metronome for left-field fly balls, in a game where left field is exactly where the wind is going. His first homer as a Cub rode this very jet stream out. And Abbott, tidy 4.15 ERA aside, has a clear lean in the damage ledger: 14 of the 18 homers he's allowed this season belong to right-handed bats, with a four-seamer he throws nearly 45% of the time doing most of the inviting.
The honest fine print, as always: Bregman's power year has been more grind than glamour: a modest .160 ISO on a .412 slug despite 19 homers, a vs-lefty split (.258/.382/.395, 4 HR) that's more on-base grinder than wrecking ball, and a 5.1% barrel rate that won't win any Statcast beauty pageants. That barrel rate and that lefty split are precisely why the ticket cost 13 cents. This is a conditions-and-price play, and I want to be honest about which is which: the handedness isn't the case (his power has actually leaned slightly toward righties this year); the SKY and the price are the case, with a professional pull-side fly-ball hitter standing under them on the one afternoon this week where the ballpark itself is on the payroll. At an effective 7.25 in decimal, I don't need Bregman to be 2019 Bregman. I need one fly ball to the correct half of the field with the wind at its back. USEFUL.
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Jackson Merrill: 1+ HR (12¢, Effective 7.85) — Padres @ Rays
Full disclosure up top: Nick Martinez's fly-ball reputation is earned from prior seasons; this year he's actually been keeping the ball down more than the rap sheet suggests. So let me make the case with this season's receipts instead, because it still holds. Martinez is 13-4 with a shiny 2.93 ERA, and he's built it the way extreme strike-throwers always do: 22 walks in 147.2 innings, a sinker-changeup-cutter mix that lives in the zone, and a bill that comes due one mistake at a time: 17 homers allowed on the season. Pitchers who refuse to walk anyone don't escape damage; they schedule it. Somebody's getting a cookie today.
I want Merrill holding the plate when it arrives. The average has been quiet (.200 over his last 12 games) but the swing is telling on itself: 3 homers in his last 8 days, including one LAST NIGHT, on a season profile of 22 bombs, an 11.4% barrel rate, 46.6% hard-hit, and 18 of those homers against right-handed pitching. When a cold fortnight still produces three trots, the hitter isn't slumping, he's hunting. The Trop's roof takes weather off the board entirely, and yes, the dome tends to play a touch under for homers; that plus Martinez's surface line is why a 22-homer bat costs 12 cents. At an effective 7.85, I'm happy to pay the dome tax for the barrels.
The Fee Math (Quick Version)
For the newcomers: Kalshi charges takers about 7% × price × (1 − price), roughly a penny at these levels, so every effective number quoted here is post-fee, stated in decimal (your total return per $1), and directly comparable to a book. It's the same arithmetic that keeps the table above honest. Today's pair, with a pricing note since both were fired early:
- Alex Bregman At 13¢ → 7.25 effective at entry; the ask has since drifted to 14¢ (6.74). Books were thin on a Bregman number at writing. First pitch 1:20 PM CT.
- Jackson Merrill At 12¢ → 7.85 effective at entry; the ask has since drifted to 13¢ (7.25). Best book found: 8.00 in decimal at Fanatics, so if you're firing NOW rather than this morning, the book is the better register on this one. Shop it. First pitch 4:10 PM ET.
That's the whole game on prediction markets: the early bird gets the CLV, nobody cuts your stake for winning it (the only ceiling is the market's own position caps), and when the board catches up you simply tell your readers where the better number lives.
That Merrill gap (Fanatics 8.00 against the drifted 7.25) is the whole sermon in one line: same swing, two registers, and the difference compounds over a season the way the table up top compounds quarter units. I found it by shopping one market across Kalshi and the books; you can run today's full board yourself on the live MLB home run prop odds screen, and OddsShopper Pro does the book-to-book comparison for you (the fee math above translates the Kalshi side). It runs a 7-day free trial, then code LINDY25 takes 25% off your first week or month.
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Final Thoughts
A pull-side fly-ball professional (that 47% pull rate, aimed at the exact half of the field the wind is feeding) under the friendliest sky Wrigley has offered all week, and the hottest quiet power bat on the West Coast, three trots in eight days, against a strike-thrower whose 22 walks in 147.2 innings mean the mistakes come over the plate. Two tickets, both double-digit-cent prices, both bought before the board woke up.
And after a loss night, the sermon matters more, not less: at 12 and 13 cents, each of these fails roughly six times out of seven BY DESIGN — the price is the confession. The table above just absorbed an 0-for-3 and barely flinched because no single night is ever asked to carry the account. Quarter units today, quarter units tomorrow, and the math keeps doing what the math does.
I'll keep putting my best out there every single day. You keep the stakes boring so the results can be interesting.
— Lindy
Lindy's Long Balls runs daily on OddsShopper. New to the exchange side? Start with how to bet MLB on Kalshi and the Kalshi fee breakdown; the rolling board of home run prices lives on the MLB home run picks hub, and the rest of the crew posts free expert picks every day. Bets are opinions, and no outcome is ever promised. Sportsbook offers referenced here are 21+ where applicable; please gamble responsibly.
