Home / Prediction Markets / Sports / Cleveland Guardians vs. Athletics Prediction May 9 Cleveland Guardians vs. Athletics Prediction May 9 View on Polymarket → Share Market called it correctly Implied 100% at publication · Resolved YES · Brier score: 0.00 See full track record SS Steve Silverman Sport Expert Market Resolved Embed NEW Embed this market Full Compact Copy Published May 2, 2026 6 min read Resolution Verdict NRFI Market Resolved NRFI: The market has fully priced the no-run first inning with whale confirmation from an early 45-cent entry. Market probability: 100%. Resolved Real Money Odds Book Spread Cleveland Guardians -7.5 Athletics +7.5 Total Over O 20.5 Under U 20.5 Volume $489.4K $474.0K in 24h Liquidity $1.2M Deep liquidity Time Left Ended Resolves May 9 489K Vol. Ended 1H 6H 1D 1W 1M ALL Select lines to display Cleveland Guardians vs. Athletics $423K Vol. 100% Buy Yes 99.8¢ Buy No 0.3¢ Largest Trade $90,529 Uzim000 voted with: CLEVELAND May 2, 2026 at 7:54pm Most Recent $66,875 Feromont voted CLEVELAND May 2, 2026 Trader Rank Amount Position Volume PnL ROI Time Feromont #277 $66,875 CLEVELAND $7.5M +$3.9K +0.1% May 2, 2026 Uzim000 - $90,529 CLEVELAND $0 - - May 2, 2026 The NRFI market for Cleveland Guardians versus Athletics has moved to full confidence. The prediction market now prices the No Run First Inning outcome at 100%, a dramatic shift after a single-session surge of 43% on May 2. With more than $489,441 in total volume and nearly all of it arriving in the last 24 hours, the market is speaking with one voice heading into the May 9 matchup. The Guardians and the Athletics meet at 8:05 p.m. ET on May 9, 2026. Cleveland carries a record that reflects a competitive early-season club, while Oakland has struggled to establish consistency in the 2025-26 campaign. The NRFI outcome now sits at 100% implied probability against a 0% alternative, backed by $489,441 in total market capital. Where the Big Money Landed Large traders committed a combined $157,404 in the last seven days across this specific market. The buy side attracted $90,529, while the sell side absorbed $66,875. The ratio leans bullish toward the NRFI outcome, with two prominent whale-sized positions defining the landscape. The largest single bet came from wallet address 0x45c9…414b, who committed $90,529 buying the NRFI outcome at 45 cents. The price has risen 12.5 cents since that entry, putting this trade deep in profit. No leaderboard rank was available for this address, but the position size and timing reflect a high-conviction directional call before the market repriced. The second major trade runs counter. Feromont sold $66,875 worth of NRFI exposure at 99.9 cents, a bet that no run would not occur in the first inning. That position has produced a loss of $16,800 as the market moved against it. The divergence between these two whales tells an important story. One trader identified value early and rode the move up. The other faded the outcome near the ceiling and paid the price. The net result confirms the dominant directional pressure sits firmly on the NRFI side. How To Read This Table Trader: Wallet name or abbreviated address from the prediction market leaderboard.Amount: Total position size in USD committed to this specific market.Team Backed: Which team (outcome) the trader bought.ROI: The trader’s all-time return on investment across all markets, showing track record reliability. How the NRFI Matchup Resolves A NRFI market resolves YES when neither team scores in the top or bottom of the first inning. It resolves NO if any run crosses the plate before the first inning ends. The current market gives full weight to the no-scoring-first-inning outcome. NRFI (Yes): 100% implied probability. Backed by $474,031 in 24-hour volume.Run in First Inning (No): 0% implied probability. No meaningful capital on this side. The path for a first-inning run requires either Cleveland or Oakland to reach base early and push a runner home before the second inning. Given how sharply the market has moved, traders are treating that scenario as a near-impossibility for this particular game. Sponsored Partner Market Signals and Form The momentum composite for this market is exceptionally strong. A 43% price surge in 24 hours combined with a trend score of 46.15 points to a decisive catalyst. That catalyst appears to be game-day starting pitcher confirmation or an injury update that heavily favors low first-inning scoring. The market repriced fast and hard. Total volume of $489,441 with $474,031 arriving in a single 24-hour window signals extraordinary conviction. That kind of liquidity concentration tells you traders made a confident bet, not a casual one. The $1,181,044 in available liquidity further confirms deep market backing behind this outcome. The spread sits at -1.5 with Cleveland as the slight series favorite, and the total line of 9.5 reflects a low-scoring game expectation that aligns directly with the NRFI signal. Key factors driving the market include the following. 24h price change: +43.0% (single-session move to full probability)Trend score: 46.15 combined with flat 1-hour movement signals a settled market24h volume: $474,031 (97% of all market volume in one day)Liquidity depth: $1,181,044 supporting the current priceWhale buy signal: 0x45c9…414b entered at 45 cents and is up 12.5 cents Lines Analysis: NRFI Outcome The case for the NRFI outcome is overwhelming by any standard market reading. The price moved from 52 cents at open to 100 cents in a matter of days. That trajectory reflects either confirmed starter information or a known pitching matchup that strongly suppresses first-inning run expectation. Cleveland’s rotation has featured arms capable of quick first-inning work, and Oakland’s lineup has shown vulnerability against quality starting pitching in 2026. The case against the NRFI outcome is functionally absent in this market. No significant capital sits on the NO side. Feromont’s $66,875 sell represents the only notable opposition, and that trade is currently down $16,800. A first-inning run would require a starter to lose command immediately or a lineup to connect on an early-count pitch. The market says that scenario is priced out entirely. Watch for any late lineup scratch that puts a slugger in the leadoff spotMonitor first-pitch strike rates for both confirmed startersAny pre-game weather report affecting pitcher grip or ball flight mattersCleveland’s first-inning run differential in 2026 is a key context metricOakland’s leadoff hitter on-base percentage sets the tone early With $489,441 in total market capital aligned behind the NRFI outcome and the price locked at 100%, the market leaves no room for debate. The volume concentration in a single 24-hour window tells you this move was informed, not speculative. LINES VERDICT NRFI The market has fully priced the no-run first inning, and the whale money that entered early at 45 cents confirms the signal was legitimate from the start. Frequently Asked QuestionsWhat outcome is favored in this market?The NRFI outcome is priced at 100% implied probability. The market has moved decisively to full confidence, backed by $489,441 in total volume with nearly all of it arriving on May 2.What does the spread mean for this game?The spread of -1.5 reflects Cleveland as a slight series favorite. Spread data appears as a secondary data strip in the market interface and is not the primary resolution market here.What time does this game start?The Cleveland Guardians versus Athletics game is scheduled for 8:05 p.m. ET on May 9, 2026. The market resolves based on official first-inning scoring.What is the over/under total for this game?The total line sits at 9.5 runs. This is a secondary market data point and aligns with the low-scoring expectation implied by the NRFI market price.Where can I trade this market?This market is available on Polymarket. Lines.com does not accept bets or provide financial or gambling advice. Always review platform terms before trading.How is the Smart Money Index calculated?We aggregate the live positions of the top 50 Polymarket whales (ranked by 30-day tracked volume) into one composite reading per market. It refreshes every hour. The percentage shows how many of those whales hold YES versus NO; the net dollar position shows the cohort's directional exposure in dollars.What is a convergence signal?A convergence event fires when three or more tracked wallets buy the same outcome on the same market within a four-hour window. We surface these in the activity feed and the VIP digest.Is Lines a market operator?No. Lines is an editorial and data product. We do not operate prediction markets, custody funds, or accept trades. All trade flows deep-link to Polymarket via our affiliate code. Probabilities shown are market-implied and not predictions or recommendations. What the smart money is doing The top 50 Polymarket whales lean YES +0 points on this market. 0% of the cohort holds YES; 0% holds NO. Net dollar position favors YES. Market Resolved Outcome: YES Final Price 100% Settled May 9, 2026 Duration 13 days Resolution Analysis Starters Dominate the First Both starting pitchers attack the zone early and retire the lineup in order. Neither Cleveland nor Oakland generates a baserunner in the first inning. The NRFI resolves YES as the starters set the tone for a clean, low-scoring opener consistent with the 9.5 total. Starter Loses Command Early One starter struggles with command in the first inning, walks a batter and gives up a hit. A run scores before the inning ends. The NRFI resolves NO, delivering a painful outcome for the 100% of capital on the YES side. Threat Defused at the Plate A leadoff hit or walk puts a runner in scoring position. The defense makes a key play or the starter bears down to strand the runner. The NRFI survives a scare and resolves YES, validating the whale entry at 45 cents and the market's full conviction. Late Lineup Change Shifts the Dynamic A pre-game scratch moves a power hitter into a higher spot in the order. The new lineup construction creates unexpected first-inning pressure. The market had no time to reprice, leaving YES holders exposed to a scenario the 100% probability failed to account for. Key macro factor: The 43% single-session price surge on May 2 points to a confirmed pitching matchup or known first-inning suppression factor driving the NRFI outcome to full market consensus. Market Timeline Apr 26, 2026, 1:00 PM Market Created Apr 26, 2026, 1:02 PM Event Start Apr 26, 2026, 1:06 PM Market Opened May 9, 2026 Market Resolution Related Prediction Markets Moving Now Greece vs. Portugal 0% chance Yes No Moving Now Counter-Strike: Gatorian vs BakS eSports (BO3) - CCT Europe Contenders #6 Playoffs Map 2 Winner 0% Yes No Match Winner 0% Yes No Moving Now Angola vs. Mali 100% chance Yes No Moving Now DR Congo vs. Senegal 0% chance Yes No Moving Now Valorant: SaD Esports vs Shopify Rebellion Black (BO3) - VCL North America: Stage 3 Playoffs Map 2 Winner 100% Yes No Map 1 Rounds Handicap: Shopify Rebellion Black (-2.5) vs SaD Esports (+2.5) 100% Yes No Moving Now Major League Cricket: Seattle Orcas vs Texas Super Kings Major League Cricket: Seattle Orcas vs Texas Super Kings 100% Major League Cricket: Seattle Orcas vs Texas Super Kings - Completed match? 57% Major League Cricket: Seattle Orcas vs Texas Super Kings Major League Cricket: Seattle Orcas vs Texas Super Kings - Completed match? Moving Now Indiana Fever vs. Las Vegas Aces Indiana Fever vs. Las Vegas Aces 100% Yes No Kelsey Mitchell: Points O/U 23.5 100% O 23.5 U 23.5 Moving Now South Sudan vs. Cameroon 0% chance Yes No Moving Now Australia vs. Philippines 94% chance Yes No Loading... Volume Liquidity Ends Outcomes Description Resolution Rules View on Market Comments Loading comments…