Will Rueben Bain Jr. win the Defensive Rookie of the Year?
This contract is priced at 17¢ on Kalshi. Current book: 17¢ bid, 18¢ ask, 1¢ spread.
Implied probability
Event outcomes
12
Family volume
$543
Best sibling
Arvell Reese 7¢
Ticker
KXNFLDROTY-27-RBAI
Price history
17¢ current
+15¢Orderbook snapshot
17 / 18¢
Contract terms
Resolution, venue, and identifiers.
Resolution rules
If Rueben Bain Jr. wins the Pro Football AP Defensive Rookie of the Year in the 2026-27 season, then the market resolves to Yes.
Venue
Kalshi
Closes
Feb 28, 2028
Identifier
KXNFLDROTY-27-RBAI
Event family
KXNFLDROTY-27.
This view keeps the individual contract next to its sibling outcomes. For long-tail search traffic, this is the useful context: where the current price sits inside the event, how much volume exists around the family, and which outcomes have actual depth.
Total volume
$543
Outcomes
12
Highest price
Keldric Faulk 19¢
Current share
30%
Rueben Bain Jr.
kalshi · KXNFLDROTY-27-RBAI
Arvell Reese
kalshi · KXNFLDROTY-27-AREE
CJ Allen
kalshi · KXNFLDROTY-27-CALL
Caleb Banks
kalshi · KXNFLDROTY-27-CBAN
Akheem Mesidor
kalshi · KXNFLDROTY-27-AMES
Cashius Howell
kalshi · KXNFLDROTY-27-CHOW
Caleb Downs
kalshi · KXNFLDROTY-27-CDOW
Sonny Styles
kalshi · KXNFLDROTY-27-SSTY
David Bailey
kalshi · KXNFLDROTY-27-DBAI
Mansoor Delane
kalshi · KXNFLDROTY-27-MDEL
Dillon Thieneman
kalshi · KXNFLDROTY-27-DTHI
Keldric Faulk
kalshi · KXNFLDROTY-27-KFAU
Indicators
Yield, cliff risk, volatility, and regime.
Regime
neutral
Score
0.5
Full indicator table
Odds pages
Related prediction questions
Related readings
Matched from SimpleFunctions blog, opinions, technical guides, concepts, and learn pages.
Kalshi vs Polymarket: Which Prediction Market Should You Trade?
In-depth comparison of Kalshi and Polymarket for prediction market traders. Regulatory structure, liquidity, fees, API tooling, and cross-venue trading with SimpleFunctions.
Prediction Market Orderbook Analysis: Reading Depth, Spread, and Liquidity
How to read prediction market orderbooks. Binary settlement, spread-as-percentage, depth asymmetry, executable edge calculation, and cross-venue arbitrage analysis.
Kalshi vs Polymarket: A Developer's Comparison of APIs, Orderbooks, and Liquidity
Data-driven comparison of Kalshi and Polymarket APIs, orderbooks, rate limits, and liquidity. Code examples for building on both prediction markets.
Liquidity Availability Is the Real Edge in Prediction Markets
Implied yield, cliff risk, and overround all describe what to trade. Liquidity Availability Score describes whether the orderbook can absorb the trade. Why LAS is the indicator that decides who actually books P&L.
Kalshi vs Polymarket: Mechanics, Fees, Regulation, Liquidity (2026)
Side-by-side comparison of Kalshi and Polymarket in 2026. Fee math, calibration data, withdrawal speed, and a decision tree for picking the right venue.
Implied Yield vs Raw Probability: Why Bond-Adjacent Prediction Markets Need a Different Lens
Why fixed-income-adjacent prediction-market contracts need to be priced in implied yield, not raw probability, with two real Kalshi Fed-decision contracts as a case study.
SimpleFunctions context
Index, screen, query, and monitor.
Prediction Market Index
Market-wide volatility, geo risk, breadth, and activity around this contract.
Market Screener
Filter adjacent contracts by volume, expiry, IY, CRI, venue, and theme.
Event Probability API
Read 17% as a structured event probability object for agents and apps.
Realtime Data API
Prices, orderbooks, movement, heat, and liquidity indicators across venues.
World State API
Compact market-aware context packets for agent sessions and scheduled refresh.
Hedging Workflows
Map a thesis or exposure to candidate event markets and monitoring paths.